General Category > Yeast and Fermentation

dark colored starter

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Pi:
i made a 3 liter starter yesterday using 9 oz DME. when i added it to the water it turned a gray color. After boiling i let it cool and it's very dark brown almost black. i used extra pale DME. what causes this?

swampale:
What strain was it?

duboman:
Did you add any nutrient to it? How long did you boil it for?

narvin:
Was this new DME or had it been around for a while?  It almost sounds like it had gone bad...

morticaixavier:
are you sure it wasn't powdered graphite? Coal Dust?

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