Jim's Beer Kit

Well, I have decided to go over to a Grainfather. Any hints and tips gratefully received. I moved house last year and lost my workshop where I stored my kit and did a lot of my brewing. So I have decided to go for a Grainfather, to reduce the footprint and hopefully get me brewing again. I looked at...

"What's a 'galvanic' reaction, why doesn't it need an external power source and how could it have happened in this case?" Not sure if this is a galvanic reaction? Just a wild guess prompted by what Vacant suggested. By rights, stainless steel in contact with stainless steel should not have this prob...

"don't steel boats rust without anodic protection? " Anodic protection is to prevent a galvanic reaction between 2 different metals. Basically you create a battery and this eats away one of the metals. If you have 2 metals in contact and one is more reactive than another, the more reactive will corr...

Looking on Ebay, I can get "100%" sodium percarbonate for about £10 for 2kg. Cheap Oxi cleaner is about £2 per kg, which according to the MSDS is 30-60% sodium percarbonate. So working on the low end, it works out at about £6 per kg for the actual active ingredient. The rest of it is just filler. So...