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The reason I want it clean is I believe the dark oxidized stuff actually oxidizes your wort when you drop it in the brew kettle. I recently read an article on low oxygen brewing techniques at the link below in which they recommend you don't even use a copper chiller because of that oxidized...

I've cleaned the dark oxidized stuff off of my immersion chiller in the past by using weak acid solutions and a lot of scrubbing. Recently, I soaked it overnight in a fresh batch of StarSan solution, mixed slightly stronger than the usual recommendation for no rinse sanitizing. After about a...

Hopefully Martin will see this... I noticed that the RA figure on the adjustment summary sheet doesn't seem to vary with different grain bills. I had two different batches, one Vienna and one a helles, both the same amount of grain and water, same amount of CaCl (the only additive) and...

Good point. I never would have thought of that. THanks.

Hello, New to the forum, and I posted this under "brew science" but thought I might post it here, too. I ordered the wrong size tubing for my sintered stainless aeration stone and am wondering if I could get away with using latex rubber tubing (which I got from the science lab in the school I...

I ordered the wrong size tubing for my sintered stainless aeration stone and am wondering if I could get away with using latex rubber tubing (which I got from the science lab in the school I work at) in the short term, until I order more brewing supplies. I use pure O2, so it would only be in...

AJ, Why not just skip the boiling and neutralize with phosphoric acid? That would be much easier and use less energy. Is there a reason you don't recommend that approach?