Fermentation, Recipes
Sourdough Starter Maintenance
Sourdough Starter Maintenance – The Lazy-but-Reliable System
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How Often You Bake
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Best Maintenance Method
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Feeding Ratio & Schedule
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Storage Location
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Every day or every other day
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Room-temperature starter
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Keep 50–100 g → feed 1:2:2 or 1:3:3 once or twice a day (morning + evening if very active)
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Counter (18–26 °C)
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2–4 times per week
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Room-temp during the week, fridge on weekends
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Feed 1:3:3 every 12–24 h on baking days → fridge Friday night → take out & feed Sunday evening
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Counter most of week
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Once a week or less
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Fridge method (the easiest)
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Keep only 20–50 g in the jar → feed 1:4:4 or 1:5:5 once per week (or whenever you remember)
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Fridge door (4–8 °C)
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Rarely (once a month or less)
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Deep-fridge hibernation
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Feed 1:5:5 with rye flour → let rise 4–6 h → fridge. Can survive 4–8 weeks without feeding
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Back of fridge
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Exact Step-by-Step for the Two Most Popular Methods
Method 1: Weekly Fridge Maintenance (most people use this)
- Take the jar out of the fridge (even if it has grey liquid or smells strong– totally normal).
- Stir in the hooch (alcohol liquid) or pour it off – both work.
- Discard down to 30 g starter (eyeballing is fine).
- Add 60 g flour (any mix of white/whole-wheat/rye) + 60 g water (1:2:2).
→ For extra safety use 75 g flour + 75 g water (1:2.5:2.5). - Mix well, mark level with a rubber band, leave on the counter 4–12 hours until at least doubled and domed.
- Put straight back in the fridge. Done for the week.
Repeat every 7–14 days. It will stay healthy for months and actually improves with age.
Method 2: Daily Counter Maintenance (for frequent bakers) Keep only 50 g of starter in the jar.
Twice a day (morning + evening):
- Discard down to 50 g
- Feed 50 g flour + 50 g water (1:1:1) → ready to bake in 4–6 h
OR once a day feed 1:3:3 (50 g starter → 150 g flour + 150 g water) → very predictable.
Emergency Revival (if it’s been neglected for months)
- Pour off any black liquid.
- Take 20 g of the old starter → 40 g rye flour + 50 g warm water.
- Feed 1:3:3 with rye for 2–3 days straight → it will come roaring back.
Golden Rules
- Never let the jar go completely dry.
- Always keep at least a teaspoon in the jar before feeding.
- Rye flour wakes sleepy starters up the fastest.
- Smells like nail polish or vinegar for a day or two after the fridge is normal.
- If you ever see orange/pink streaks or fuzzy mold → throw it out.
With the weekly fridge method, you literally spend 3 minutes per week and have a happy, vigorous starter forever.
Thousands of bakers have kept the same starter alive for 5–15+ years this way.
Happy baking!
Read our Sourdough Starter Recipe first
Source Grok X AI
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