For US home bakers
How to Feed Sourdough Starter: The Simple Routine That Keeps It Alive
Feeding a sourdough starter means one thing: throw away most of it, then stir in fresh flour and water. Do that on a steady rhythm and the wild yeast and bacteria in the jar stay strong, hungry, and ready to raise bread. Here is the whole routine, up front.
The short answer
By weight (most reliable): keep 1 part starter, add 1 part flour and 1 part water — the famous 1:1:1 ratio. For example, keep 50 g of starter and stir in 50 g of flour and 50 g of water. That is a 100% hydration starter, the standard almost every recipe assumes.
By cups: keep ½ cup starter, add ½ cup water and a scant 1 cup of flour. Flour is much lighter than water by volume, so the cup version needs roughly twice the flour — a 1:1:2 ratio by volume — to reach the same consistency.
How often: on the counter, feed once or twice a day. In the fridge, feed once a week. A 1:1:1 feeding peaks in about 4–6 hours at 70–75°F — that peak is when you want to mix your dough.
Feeding, step by step
- Stir and discard. Stir the starter down, then remove and discard all but the amount you plan to keep (about 50 g, or ½ cup). Keeping too much old starter is the #1 cause of a sluggish, sour jar. The discard doesn't have to go to waste — see our 12 discard recipes.
- Add water first. Pour in the water (50 g / ½ cup) and stir it into the remaining starter until milky and loose. This distributes the yeast evenly before the flour goes in.
- Add flour and mix well. Add the flour (50 g / a scant cup) and stir until no dry pockets remain. The texture should be like thick pancake batter. A 50/50 blend of all-purpose and whole wheat is the easiest flour mix to keep happy.
- Mark the level. Scrape down the sides and put a rubber band or a piece of tape at the starter's height. This is how you'll know it has doubled.
- Rest at room temperature. Cover loosely and leave it somewhere 70–75°F. Watch for the healthy signs below, then use it at its peak or move it to the fridge.
Signs of a healthy, well-fed starter
Counter vs. fridge at a glance
| Storage | Feeding frequency | Typical ratio | Best for |
|---|---|---|---|
| Counter (70–75°F) | Once or twice daily | 1:1:1 by weight | Baking several times a week; building a new starter |
| Fridge (35–40°F) | Once a week | 1:1:1 by weight | Baking once a week or less; lower maintenance |
Not sure which rhythm fits your life? The Feeding Schedule tool turns your storage spot, bake frequency, starter amount, and kitchen temperature into an exact plan with gram amounts and peak timing.
Keep learning
The Full Feeding Guide
Ratios explained, weight vs. cups, temperature math, jar hygiene, and how to fix an over-fed or under-fed starter.
Read the feeding guide →Feeding Schedule Tool
Answer four quick questions and get a personal feeding plan: ratio, exact grams, peak window, and bake-day wake-up steps.
Build my schedule →Best Flour for Starter
Why whole wheat and rye start fastest, why the 50/50 blend wins, and the two flours to never use.
Read the flour guide →12 Discard Recipes
Pancakes, crackers, pizza, brownies and more — zero-waste ways to use the starter you'd otherwise throw away.
See the recipes →Troubleshooting
Hooch, acetone smells, no rise, mold — what each sign means and whether your starter can be saved.
Fix my starter →Starter FAQ
Short answers to the questions every new starter keeper asks, from metal spoons to vacation care.
Read the FAQ →Guide 1 · The basics, done right
How to Feed a Sourdough Starter (by Weight and by Cups)
A sourdough starter is a living culture of wild yeast and lactic acid bacteria, and feeding it is simply giving that culture a fresh meal. Every feeding follows the same pattern: remove most of the old starter, then mix what remains with fresh flour and water. It sounds almost too simple, but the details — how much you keep, how much you add, and how warm your kitchen is — decide whether your starter doubles predictably or turns sluggish and sour. This guide covers the standard method by weight and by volume, explains the ratios bakers talk about, and shows how to adjust for your kitchen and schedule.
Why you discard before you feed
New bakers often balk at throwing starter away, but discarding is not waste — it is portion control for microbes. If you fed the whole jar every time, it would overflow within days, and the culture would drown in exhausted, acidic old starter: acid builds up faster than fresh flour can buffer it, the yeast weaken, and the starter starts to smell like acetone and rise poorly. Keeping only a small amount — typically 20 to 50 grams — means each feeding is mostly fresh food, the acid resets, and the culture stays vigorous. And the discard need not be wasted: it makes excellent pancakes, crackers, and pizza dough, as our discard recipe collection shows.
Feeding by weight: the 1:1:1 standard
A kitchen scale is the best investment in sourdough baking: weight removes all the guesswork. The standard feeding is a ratio of 1:1:1 — one part starter, one part flour, one part water, all by weight. A typical maintenance feeding is 50 grams of starter, 50 grams of flour, 50 grams of water. Equal weights of flour and water produce a starter at 100% hydration, which is the consistency nearly all published recipes assume when they call for "active starter." Scale down freely — 30:30:30 or even 20:20:20 works exactly the same; what matters is the proportion, not the absolute amount. For a big bake, build up with a bigger feeding the night before: 50 grams of starter with 100 grams each of flour and water (a 1:2:2 feeding) gives you 250 grams of lively starter by morning.
Feeding by cups: why the numbers look different
No scale? You can absolutely maintain a starter with measuring cups — bakers did it for centuries — but you must respect one physical fact: a cup of flour weighs roughly half as much as a cup of water. That is why the volume version of the same feeding is ½ cup starter, ½ cup water, and a scant 1 cup of flour — in ratio terms, 1 part starter, 1 part water, 2 parts flour by volume. If you instead fed equal cups of flour and water, your starter would be far too wet, closer to 200% hydration, and it would ferment frantically, collapse quickly, and taste harsh. Stir the water into the kept starter first, then add the flour and mix until it looks like thick pancake batter. Cup measures vary with how you scoop, so judge by texture: batter-like and slowly flowing is right; soupy is too wet and stiff dough is too dry.
| Method | Starter kept | Flour | Water | Use it for |
|---|---|---|---|---|
| By weight, 1:1:1 | 50 g | 50 g | 50 g | Everyday maintenance, 100% hydration |
| By weight, 1:2:2 | 50 g | 100 g | 100 g | Warm kitchens; building up for a bake |
| By weight, 1:3:3 | 30 g | 90 g | 90 g | Very warm kitchens (80°F+); stretches time to peak |
| By cups, 1:1:2 | ½ cup | Scant 1 cup | ½ cup | No-scale version of the same 100% hydration |
How temperature changes everything
Fermentation speed roughly doubles with every 15–18°F rise in temperature. At a comfortable 70–75°F, a 1:1:1 feeding peaks in about 4–6 hours and stays near peak an hour or two — your window for mixing dough. In a cool 65°F kitchen the same feeding may need 8–10 hours — feed at night and it is ready in the morning. In a summer kitchen at 82°F it can peak in 3 hours and be starving by lunch. Warm-kitchen bakers have two levers: use cooler water, or feed a larger ratio like 1:2:2 or 1:3:3, which stretches the time to peak. Our Feeding Schedule tool does this math for your exact temperature. Whatever your kitchen, consistency beats perfection: a starter fed at the same times each day becomes predictable, and you will learn to read it by eye — risen, domed, bubbly, and pleasantly tangy means peak; sunken, runny, and sharp-smelling means it peaked hours ago and is hungry again.
Counter or fridge: choosing your rhythm
A starter kept on the counter at room temperature needs feeding once or twice a day — twice in warm kitchens or while a starter is young. This is the right home for a brand-new starter (never refrigerate one in its first two weeks) and for anyone baking several times a week. A mature starter can move to the fridge, where the cold slows fermentation to a crawl and one feeding a week is plenty. Feed it, let it sit on the counter for an hour or two to get started, then refrigerate. The day before you bake, take it out and give it one or two counter feedings to wake it fully — the step-by-step wake-up routine is built into the schedule tool. Miss a week and you'll find grey liquid (hooch) and a sharp smell — that means hunger, not death. Pour the hooch off, feed twice at room temperature, and most starters bounce back within a day. For the full list of warning signs — and the few that genuinely mean starting over — see Troubleshooting.
Five habits that keep a starter strong
Use the right flour. Unbleached flour, ideally a 50/50 blend of all-purpose and whole wheat, feeds a starter best; bleached flour is chemically treated in ways that hinder the culture, and self-rising flour contains salt and leavening that disturb it. Our flour guide explains why. Use clean tools and a clean rim. Crusty starter above the waterline is where mold starts, so scrape down the sides, wipe the rim after feeding, and use a fresh jar every week or two. Use plain water. Room-temperature tap water is fine in most US cities; if yours is heavily chlorinated and your starter struggles, let it stand uncovered for a few hours or use filtered water. Mark the level. A rubber band at the starting height turns guessing into measuring — doubling means the band sits at half the current height. Feed on a schedule, not on a whim. Cultures thrive on rhythm — pick times you can keep, and your starter will reward you with loaves that rise on cue.
Feeding really is the whole secret: master the 1:1:1 ratio, respect your kitchen's temperature, and keep a steady rhythm. Next, build your personal plan with the Feeding Schedule tool, or check the FAQ.
Interactive tool
Feeding Schedule Tool: Your Personal Starter Plan
Tell us where your starter lives, how often you bake, how much starter you keep, and how warm your kitchen runs. You'll get an exact plan — ratio, gram amounts, feeding times, peak window, and bake-day wake-up steps. The plan updates as you change any answer.
Guide 2 · Ingredients
Best Flour for Sourdough Starter
Flour is not just food for your starter — it is also where the starter comes from. The wild yeast and bacteria that colonize a new jar arrive largely on the flour itself, carried in from the field and the mill. That is why the flour you choose has an outsized effect, especially in the first two weeks: the right flour can have a new starter doubling by day five, while the wrong flour can stall it completely. Once a starter is mature, it becomes more forgiving, but flour still shapes its speed, its flavor, and how much sourness it builds between feedings. This guide explains what a starter actually needs from flour, ranks the common choices honestly, and gives you a simple blend that works in almost every American kitchen.
What a starter needs from flour
A starter culture eats the starches and sugars in flour, so it wants three things. First, microbes: flours milled from the whole grain carry far more wild yeast and bacteria on the bran than refined flours do. Second, minerals and nutrients: the bran and germ contain the micronutrients that let a culture grow fast and stay resilient. Third, enzymes: less-processed flours bring more of the natural enzymes that break starch down into the simple sugars yeast eats first. Refined white flour has most of the bran and germ removed, so it scores low on all three counts — it can maintain an established starter perfectly well, but it is a slow, sparse place to start one. Treatment matters too: flour that has been bleached or bromated has been chemically processed in ways that can hinder a young culture, which is why every recommendation below specifies unbleached.
The fastest starters: whole wheat and rye
If your only goal is getting a new starter active as quickly as possible, reach for whole grain flour. Whole wheat flour is the easiest win: it is sold in every US grocery store (King Arthur and Bob's Red Mill are the common national brands), it is inexpensive, and its bran load gives a new starter an obvious boost — many bakers see real activity a day or two sooner than with white flour alone. Whole rye flour is the traditional starter flour of northern Europe and is, if anything, even more potent: rye is exceptionally rich in the sugars and nutrients fermentation loves, and rye-fed starters are famously vigorous and pleasantly fruity rather than harsh. Its downsides are practical, not biological — rye is pricier, less widely stocked, and makes a starter that rises differently (rye has less gluten, so the jar looks less dramatically domed even when the culture is thriving). Either flour will give a young starter its best start; rye is the enthusiast's pick, whole wheat the people's pick.
The everyday winner: the 50/50 blend
For maintaining a mature starter day after day, most experienced bakers land on the same compromise: half unbleached all-purpose (or bread) flour and half whole wheat flour. The whole wheat half supplies microbes, minerals, and enzymes, so the culture stays lively and ferments on a dependable schedule. The white half keeps costs down, keeps the starter's flavor mild and versatile — important if you bake delicate enriched breads and don't want a strong whole-grain tang in every loaf — and produces the classic dramatic rise that makes peak easy to read in the jar. Buy both flours, mix a batch in a big canister, and feeding becomes a one-scoop job. If you bake mostly whole-grain loaves, you can shift the blend toward whole wheat; if you bake mostly white sandwich loaves and pastries, shift it the other way. The starter will adapt to whatever consistent diet you give it — consistency matters more than the exact split. Whatever blend you choose, it pairs with the standard 1:1:1 feeding in our feeding guide, and the schedule tool will build your amounts around it.
| Flour | Starting a starter | Daily maintenance | Notes |
|---|---|---|---|
| Whole rye | Excellent — fastest | Very good | Most microbe-rich; pricier, less dramatic rise in the jar |
| Whole wheat | Excellent | Excellent | The reliable booster; cheap and everywhere in the US |
| 50/50 AP + whole wheat | Very good | Excellent — recommended | Best balance of vigor, mild flavor, cost, and readable rise |
| Unbleached all-purpose | Fair — slower start | Good | Fine for a mature starter; young cultures may stall |
| Unbleached bread flour | Fair | Good | Higher protein; behaves like AP for feeding purposes |
| Bleached flour | Avoid | Avoid | Chemical bleaching hinders the culture |
| Self-rising flour | Never | Never | Contains salt and baking powder that disrupt fermentation |
Two flours to never use
Bleached flour is treated with chemical agents to whiten and rapidly "age" it. Those treatments are hard on the very microbes you are trying to cultivate, and starters fed bleached flour are a recurring character in troubleshooting stories: slow, weak, and prone to stalling. The fix costs nothing — buy the bag that says "unbleached," which is most national brands' default today anyway. Self-rising flour is worse: it is flour pre-mixed with baking powder and salt. The salt inhibits fermentation and the chemical leavening throws off the culture's acidity — a starter fed self-rising flour can bubble from the baking powder while the actual culture dies. Check the bag before you buy; in Southern US grocery stores especially, self-rising flour sits right beside the all-purpose and the bags look similar.
Practical buying and storage tips
You do not need specialty flour to keep a great starter. A mainstream unbleached all-purpose plus a bag of whole wheat — together well under ten dollars — will carry you for months, since a small jar eats only a few tablespoons a day (or far less on a fridge schedule). Store flour in airtight containers away from heat; whole grain flours contain oils in the germ that can go rancid, so if you buy whole wheat or rye in quantity and feed infrequently, keep the bag in the freezer and scoop from frozen — the cold does the flour no harm. One last note for gluten-free bakers: starters can be built on brown rice flour or buckwheat, but they ferment on different schedules and need different ratios than everything in this guide. Start with wheat if you can; specialize later. Feed well, feed consistently, and your starter will do the rest.
Guide 3 · Zero waste
What to Do With Sourdough Discard — 12 Recipes
Every feeding produces discard, and throwing away a cup of perfectly good fermented flour-and-water feels wrong — because it is. Sourdough discard is simply a flavorful, pre-fermented batter ingredient: it brings the tang of a good loaf to foods that take twenty minutes instead of two days. Once you keep a small jar of discard in the fridge, you will find yourself feeding the starter partly for the excuse to make the pancakes. Below are twelve reliable recipes American home bakers actually repeat, from the five-minute flatbreads you can cook straight from the discard jar to weekend brownies. Each one is written for standard 100% hydration discard — the kind produced by the 1:1:1 feeding in our feeding guide.
The one rule of cooking with discard
Discard is spent starter: its yeast has eaten, peaked, and gone hungry, so on its own it has very little rising power left. That single fact sorts the twelve recipes into two families. Flat, crisp, or griddled foods — crackers, flatbreads, scallion pancakes — need no lift at all and can be made with discard alone. Anything that should rise — pancakes, muffins, waffles, sandwich bread — needs help, which is why those recipes include baking powder or baking soda. The soda does double duty: it provides lift and it neutralizes some of the discard's acidity, so strongly flavored week-old discard bakes up tangy rather than sour. Use discard within about a week, keep it refrigerated in its own jar, and stir in each new addition. Very old discard that has turned sharply acetone-scented is better composted than cooked — and if your discard always smells that way, the real fix is a better feeding schedule, not more recipes.
1. Discard Pancakes
The classic first discard recipe, and still the best. Fluffy, tangy, weekend-worthy.
- 1 cup discard, 1 cup flour, 1 tbsp sugar, 1 tsp baking powder, ½ tsp baking soda, ½ tsp salt
- ¾ cup milk, 1 egg, 2 tbsp melted butter
- Mix dry and wet separately, combine loosely, rest 10 minutes, griddle until bubbles set
2. Crispy Herb Crackers
Paper-thin, shattering crackers that taste like the expensive deli kind.
- 1 cup discard, 1 cup flour, ½ tsp salt, 4 tbsp melted butter or olive oil
- Roll extremely thin between parchment, top with rosemary and flaky salt
- Bake at 350°F for 20–25 minutes until deep golden; cool to crisp
3. Discard Pizza Dough
A same-day pizza base with real sourdough character — no overnight wait.
- 1 cup discard, 2½ cups bread flour, 1 tsp instant yeast, 1 tsp salt, 1 tbsp olive oil, ~½ cup warm water
- Knead 8 minutes, rise 1 hour, stretch thin, bake on the hottest rack at 500°F+
4. 5-Minute Discard Flatbreads
The fastest recipe here: discard cooked straight from the jar, crepe-style.
- Pour ¼ cup discard per flatbread into a hot, oiled skillet
- Season in the pan with salt, garlic, or everything-bagel spice
- 2 minutes per side; serve as wraps, dips, or alongside soup
5. Discard Waffles
Crisp edges, custardy centers, and a gentle tang that loves maple syrup.
- 1 cup discard, 1 cup flour, 1 tsp baking powder, ½ tsp baking soda, 1 tbsp sugar
- 2 eggs, ¾ cup milk, 4 tbsp melted butter
- Cook in a preheated waffle iron until deeply golden; freeze extras for the toaster
6. Blueberry Discard Muffins
Tender, bakery-domed muffins — the baking powder does the lifting, the discard brings flavor.
- 1 cup discard, 1½ cups flour, ¾ cup sugar, 2 tsp baking powder, ½ tsp salt
- 1 egg, ½ cup oil, ¼ cup milk, 1½ cups blueberries
- Bake at 400°F for 18–22 minutes
7. Scallion Discard Pancakes
Savory, lacy, and crisp-edged — a beloved way to use a lot of discard fast.
- 1 cup discard whisked with ½ tsp salt and a pinch of five-spice
- Fold in 4 sliced scallions; fry ladles in a hot oiled skillet until lacy and crisp
- Serve with soy sauce, rice vinegar, and chili oil
8. Discard Brownies
Fudgy, dark, and intensely chocolatey; the tang deepens the cocoa like coffee does.
- ½ cup discard, ½ cup melted butter, 1 cup sugar, 2 eggs
- ½ cup cocoa, ½ cup flour, ½ tsp salt, ½ cup chocolate chips
- Bake at 350°F for 25–30 minutes; center should stay fudgy
9. Discard Banana Bread
The natural partner for three black bananas on the counter.
- 1 cup discard, 3 mashed bananas, ½ cup sugar, ⅓ cup oil, 1 egg
- 1½ cups flour, 1 tsp baking soda, ½ tsp salt, cinnamon
- Bake in a loaf pan at 350°F for 45–55 minutes
10. Discard Cinnamon Rolls
Soft, swirled, weekend-project rolls — baking powder keeps them same-morning easy.
- Dough: 1 cup discard, 2 cups flour, 1 tbsp baking powder, ½ tsp salt, ¼ cup butter, ½ cup milk
- Roll out, spread with butter, cinnamon, and brown sugar; slice into 8
- Bake at 375°F for 20–25 minutes; glaze while warm
11. Discard Pretzel Bites
Chewy, salty, game-day bites with a real pretzel crust from a quick soda bath.
- 1 cup discard, 2 cups flour, 1 tsp instant yeast, 1 tsp salt; knead and rest 30 minutes
- Cut into nuggets, boil 30 seconds in water with 2 tbsp baking soda
- Bake at 425°F for 12–15 minutes; toss with butter and coarse salt
12. Discard Batter for Fish & Onion Rings
The cleverest use on the list: discard's acidity makes an exceptionally crisp frying batter.
- 1 cup cold discard, ¼ cup flour, ½ tsp baking powder, ½ tsp salt, spices to taste
- Dip fish fillets or onion rings, fry at 375°F until deeply golden
- Drain on a rack, salt immediately, serve with lemon
Storing discard without the guilt spiral
Keep one dedicated discard jar in the fridge and add to it at each feeding, giving it a stir as you go. Label it with the week you started it; most bakers run a simple rhythm of cooking from it once a week — pancake Saturday covers most households — and starting a fresh jar whenever the old one passes the seven-to-ten-day mark or develops a harsh acetone smell. Discard freezes well for up to three months, too: freeze it in half-cup portions, thaw overnight, and use it in any cooked recipe above (skip the flatbreads with thawed discard; the texture suffers). The real goal is a rhythm where discard feels like an ingredient, not an obligation — which starts with keeping only as much starter as you actually need. The schedule tool can size your jar down to 20 grams of seed if flour waste is your main frustration, and our flour guide will keep what you do feed it cheap and effective.
When things look wrong
Troubleshooting: What Your Starter Is Telling You
Most "dead" starters are just hungry, cold, or fed with the wrong flour. Find your symptom below — and learn the two signs that genuinely mean starting over.
| What you see / smell | What it means | What to do |
|---|---|---|
| Dark liquid on top (hooch) | Hunger. The liquid is alcohol produced after the culture ate everything and went unfed. | Not harmful. Pour it off (or stir in for extra tang), then feed. Give two counter feedings 12 hours apart to fully revive it. |
| Acetone / nail-polish smell | Hunger, again — a starving culture produces sharp, solvent-like aromas. | Discard more aggressively (keep only 20–30 g), feed 1:1:1 or 1:2:2, and feed on time for 2–3 days. The smell should fade to a pleasant tang. |
| Little or no rise | Usually a young culture, a cold kitchen, or bleached flour. In days 2–4 of a new starter there is also a normal quiet phase after the early false rise. | Move somewhere 70–75°F, switch to unbleached 50/50 blend flour, and keep feeding every 12 hours. Give a new starter a full 7–14 days before judging it. |
| Rises, then collapses before you bake | It peaked and you missed the window — common in warm kitchens. | Feed a larger ratio (1:2:2 or 1:3:3) to stretch the peak, or use the schedule tool to time feedings so peak lands when you bake. |
| Very runny, soupy texture | Too much water by volume, or it is well past peak and the gluten has broken down. | If feeding by cups, use the correct ½ cup starter / ½ cup water / scant cup flour. If it's past peak, just feed — texture resets. |
| Grayish tint on the surface | Usually just oxidation and hooch on a fridge-kept starter. Cosmetic. | Scrape off the discolored top layer, transfer a spoonful from below to a clean jar, and feed. |
The 48-hour revival protocol
- Downsize. Move just 20 g of the healthiest-looking starter (from the center, away from any dried edges) into a clean jar.
- Feed 1:2:2. Add 40 g flour (50/50 blend) and 40 g water. The bigger dilution washes out excess acid faster than a 1:1:1 feeding.
- Keep it warm and on time. Hold at 70–75°F and repeat the feeding every 12 hours, four feedings total, whether or not it looks dramatic yet.
- Judge by the healthy signs. Doubling in 4–8 hours, bubbles throughout, a domed top, and a fruity-tangy smell mean you're back. Return to your normal schedule.
Still stuck after the protocol? Check the FAQ — or write to us from the contact page describing your flour, water, temperature, and feeding times, and we'll help you diagnose it.
Quick answers
Sourdough Starter FAQ
The questions every starter keeper asks in the first month. For depth, follow the links into the guides.
How often should I feed my sourdough starter?
On the counter at 70–75°F, feed once or twice a day (twice in warm kitchens or for young starters). In the fridge, once a week is enough for a mature starter. The full reasoning is in the feeding guide.
What is the best feeding ratio?
1:1:1 by weight — equal parts kept starter, flour, and water — giving a 100% hydration starter that peaks in 4–6 hours at 70–75°F. Use 1:2:2 or 1:3:3 in warm kitchens to slow things down. By cups, the equivalent is ½ cup starter, ½ cup water, and a scant cup of flour.
Can I feed my starter with all-purpose flour only?
Yes, if it is unbleached and your starter is already mature. It will usually be livelier on a 50/50 blend of all-purpose and whole wheat, because whole grains carry more microbes and minerals. Never use bleached or self-rising flour. See the flour guide.
Why do I have to throw away discard?
You don't have to throw it away — you have to remove it, so the jar doesn't overflow and the culture isn't drowned in its own acid. What you remove can go straight into pancakes, crackers, pizza, and eleven other recipes in our discard collection.
My starter smells like nail polish remover. Is it dead?
Almost certainly not — that acetone smell is the classic hunger signal. Pour off any hooch, keep just 20–30 g, feed it, and repeat on schedule for a couple of days. The troubleshooting page has the full revival protocol.
When is my starter ready to bake with?
When it predictably doubles within 4–8 hours of a feeding, is bubbly throughout with a domed top, and smells pleasantly tangy. Most new starters get there in 7–14 days. Bake with it at its peak — risen fully but not yet collapsed.
Can I use a metal spoon or bowl?
Yes. The "no metal" rule is a myth left over from reactive metals of a century ago. Modern stainless steel is completely fine for stirring and feeding.
I'm going on vacation for two weeks. What do I do?
Feed the starter a stiff 1:2:2 feeding, let it sit out for an hour, then refrigerate it in a clean jar with a tight lid. Two weeks is no problem for a mature starter; three to four weeks usually revives fine too with two or three counter feedings. For longer absences, dry a thin smear of starter on parchment — dried starter keeps for months and rehydrates in a few days of feeding.
Does the water matter?
Room-temperature water is best. Most US tap water works fine; if your starter is chronically sluggish and your tap water is heavily chlorinated, let the water stand uncovered for several hours or use filtered water. Avoid very hot water — above about 100°F it can kill the culture.
How much starter should I keep?
Less than you think. 30–50 g of seed at each feeding covers most home bakers, and 20 g works if you mostly use the fridge method — you can always build up a big batch the night before a bake with a 1:2:2 feeding.
About this site
About Sourdough Starter Hub
Sourdough Starter Hub is a small, focused website for US home bakers who want one thing: a healthy starter that behaves predictably. Big recipe sites bury feeding advice inside thousand-word bread posts; forum threads contradict each other. We keep a narrower promise — clear, tested, plain-English guidance on feeding, flour, scheduling, discard, and troubleshooting, and nothing else.
Everything here is written around the methods used in real home kitchens: the 1:1:1 ratio by weight, the matching cup measurements, counter and fridge rhythms, and honest temperature math for American kitchens that run from chilly farmhouse to warm summer apartment. Our feeding schedule tool turns those principles into a plan for your exact kitchen, and our three long guides — feeding, flour, and discard recipes — cover the topic end to end.
This is an independent hobby publication, not a bakery school and not medical or professional food-safety advice. Where safety genuinely matters — like mold contamination — we tell you plainly to throw the starter away. Questions, corrections, and starter success stories are welcome at hello@sourdoughstarter1.pages.dev or through the contact page.
Get in touch
Contact Us
Questions about your starter, a correction to one of our guides, or a discard recipe of your own that deserves a spot in the collection? We read every message.
Email: hello@sourdoughstarter1.pages.dev
For the fastest help with a struggling starter, include these four details in your email:
- The flour you're feeding (brand and type — unbleached, whole wheat, bleached?)
- Your ratio and how much you keep at each feeding
- Your kitchen temperature and where the starter lives (counter or fridge)
- What you're seeing and smelling, and for how many days
Before you write, the troubleshooting page and FAQ answer most problems the same day you have them. We aim to reply to email within a few business days. Please don't send photos of moldy starters asking if they're safe — if it's pink, orange, or fuzzy, it goes in the trash (see Troubleshooting).
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Last updated: November 10, 2026.
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