dry stabilizer

Hi all. I have been a paid subscriber to the Pool Math app for a few years now. I've noticed it seems to underestimate the effect of adding dry stabilizer. For all other products such as 10.5% sodium hypochlorite, and 31.45% HCl, the calculations seem pretty accurate, but whenever I add dry...

We just opened our large 36,000 gallon pool. Pool opening test results were FC 0 pH 7.2 Total Alkalinity 80 CYA 0 Pool temperature 70 F I expected our CYA to be on the low side but not 0. It ran low all last summer and was 35 when we closed the pool in September. We have to drain...

Just finished a lengthy SLAM for minor algae and cleaned by filter. I was way overdue for adding stablilizer. Local small business pool store guy said to take out the filter basket, dump in the whole 4 lb bucket of stabilizer into pump basket (without the plaster filter in the basket)...

I'm brand new to to TFP method. Have stopped using Pristine Blue and reviewed Pool School over and over. Recently added a Culator and Metal Free to remove any Pristine Blue and pool is now crystal clear (save a little floor staining) that is fading (via the chlorine -I'm assuming). Levels are...