filtration

Hi all, I'm new to the forum and window cleaning, but already enjoying the work and the benefits of working for yourself, and find this forum a great source of info and help. I'm using WFP method and making my own water. Does anybody know a way to calculate how many litres of 0ppm water a...

So I'm now running almost 100% WFP for my upstairs work - bar flat roofs etc but that means I'm now using about 6L of resin a week with my Unger HiFlo DI filter (1 replacement bag a week - it's giving me about 450-500L of pure water per change) I've been browsing online but am a little confused...