Recent content by EnvChemist

The pH was 7.6, I just added acid to get to pH 7.4. FC was 0.5 ppm, I added Cl to bring to 4 ppm. TA = 90, CH = 230, CYA = 90 ppm. I don't know the total chlorine if that what CC is.

The pool is clear and has chlorine, but the Hayward Viper cleaner bag has green algae in the bag's seams and where the plastic slider closes the bag. Two weeks ago, I put the bag in boiling water for 30+ minutes. A lot of the algae disappeared, but now it is back as much as before. Two years...