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Apologies for lack of detail: These are 3 x 350litre copper tanks with immersion heaters (copper probe+temp reg and HCl resistant heaters) used to contain and maintain water at 70C for large scale QC and prototype testing of (domestic) water systems downstream. Pressures are pretty much...

Hi Gary Unfortunately leaving it for a year (which is how long it's taken to build up) to get rid of the scale isn't an option as we're already experiencing problems further down the system with blockages and have lost a few days work as a result. I'm not worried about the tanks as they're made...

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...