If you use the right chemicals you do not need hot water.----- here we go again with hot/cold rinsing!! I have not used hot water to rinse for two or three years.I have not found an inline heater to produce hot water from cold in sufficient quantities, only with warm water feed.
this going to sound silly but thought i should ask. as i rarely use my magma it's often sat for 3/4 weeks unused. now i assume it's going to be full of water as when i finish using it i just cool it down by running could water and then unplug and leave it. wont this damage it over time? should i be emptying it after each use and if so how?