Search results

I found this online, and it contains a wealth of pH and ORP info including temperature corrections, equations, etc.. Most is way beyond me, but I liked the the use of red cabbage or mushrooms to measure pH. Title is 'Back to the pHuture'. Yokugawa mfrs industrial instrumentation. The link is...

A two-component question: I presently have a 20yr old 1/2hp Purex WhisperFlo that has just started to leak. I'm considering replacement with either a Pentair VS or hi-eff two-speed pump. My (winter) ELX cost is $0.12/kWh ($0.18/kWh in summer). I have an 80 sf cartridge filter and a solar heater...

I'm new to TFP. I just had a replaster done using Pebblesheen, including the final acid wash; a few days after the fill the builder turned it over to me. My first test shows a CH of 80 (low!), with the other levels as follows: FC 3.0/CC 0 pH 7.5 TA 120 CYA 70 Testing temp = 68F/pool = 60F. I...