I have to descale 3 hot water tanks (350 litres each, in series) prior to installing a water softener.
To do this I've ordered an IBC of 5% hydrochloric acid which I was planning to recirculate for 3-4 hours to react away the scale and then drain and flush the system.
However, I've just...
I have recently been looking at ECU's, primarily for offshore installations, but smaller applications are also of interest.
As I understand it every ECU produces hydrogen gas as part of the process, which is vented to the atmosphere after dilution. I've done a couple of rough calculations and...