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thanks i will take your advice

Hi, Yes I used preboiled water mixed with quality filtered cold water to rehydrate the yeast. My main point is that the yeast was very slow to activate and then didn't get going , apart from a small bit of frothing (see Pics) .With all my other brews this would be overflowing the glass. I have...

Thanks Mark, I agree that the fermenter could be contaminated but I am very careful with sterilizing and have produced a couple of good brews in between the sour Black Rocks. I have tried a different yeast with the Black Rock and had good results. The photos show how lethargic the yeast was when...

Hi All, I have been a home brewer for many years now. Ex sciece teacher so willing to explore. I've run into a problem with Black Rock Riwaka pale ale. for the 3rd time i have had to tip out a full brew. My local supplier tells me it is because they supply insufficient yeast in their kit. I...