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I'm just getting started with the BBB method and after obtaining a good quality a good quality test kit I have the following FC 2.0 PH 7.4 TA 140ppm Calcium 550 ppm CYA approx 400--really don't know off the scale just an extrapolation. Everything I have read the only way to lower the CYA is to...

I'm having trouble find a replacement drain plug for my 13 y/o 325 Series Hayward cartridge pressure vessel. I think my current one is on the verge of failure! Can someone direct me to a supplier in the San Antonio area or on line? Thanks!

I have an 11K in-ground gunite where the deck has settled a bit and there is now seperation in the caulk between the coping and deck. I would like to replace the caulk to improve the appearance. Should I just remove the caulk or the foam insulation with it and could someone recommend a type...