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The problem is: what is the final temp when 17l of water @ 20 degC is added to 25 l of water @ 75 degC. Right? Final temp = [(Mass1*Temp1)+(Mass2*Temp2)]/(Mass1+Mass2) = [(17*20) + (25*75)]/(17+25) = 52.74 degC I have assumed that 1 litre of water is 1Kg - that shouldn't introduce errors...

I got my 100l al pot here. No fuss and quick delivery to Central Coast.

What does it stand for?

Plenty of thread tape should stop that. I have one of those short thread ones and haven't been game to mount it - this thread has inspired me to give it a go.

You can get silicone cookware (flexible baking dishes and muffin pans etc) in the supermarket and cut them yourself. That's what I did and I've had no problems. Gerard

My two posts were probably a little confusing. A standard batch is 5 imperial gallons. In the US a gallon is smaller and a 5 US gallon batch fits into a 19 litre keg. The fact that 5 imperial gallons equals 30 bottles I think is due to a bottle originally being defined as an integral fraction...

A keg(19l) is 5 US gallons.

5 gallons. 4.5l per gallon = 22.5l rounded up to 23. cheers

My 2c - I have bought a 36l SS and 100l Al pot from Allquip on separate occasions, ordered by phone and had them despatched the following day. I have no complaints. I think the lesson is deal with these guys by phone. Gerard

I bought one yesterday and put 1/2Kg through as a test - hardly slowed down. Worked a lot better than my little Makita which won't turn the roller at all. 'm not sure the 850rpm is optimal though. Gerard

I bought a kilogram of casting plaster from Spotlight (don't know if they exist outside of NSW). The box said non-toxic and suitable for children so I figured it wouldn't kill me if it went in the beer!

I use one of these (the Porkett not the Crankenstein) - I'm a fairly new AG brewer - about 10 batches so I've crushed about 50-55 kg of grain with it. No flavour problems with the beer but it always seems to be slightly cloudy. Maybe it's because the grain isn't crushed properly.

Has anyone made this? I would be interested to know if the guarana beans (if they can be sourced anywhere) make much of a difference or if they are just a gimmick to differentiate the beer from other similar HB recipes. cheers