Been busy in the workshop again today making a copper wort cooler so have that lovely taste of copper on my hands which is a sod to remove )). Anyway, I also made a water heater for my 3 tier system like the one Dutto kindly showed me as in his set up. How long does it normally take to heat up the water as mine was on for about an hour (around 25 litres I think) and it got to 88c.....would that be normal? I am thinking of putting a second element into the tub as it would probably make more sense. I will also though heat up the water via a propane burner to at least get it hand warm when I actually come to use the system as cheaper than electric.