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The pool is gunite/plaster and here in Texas our cheapest forms of chlorination are tri-chlor tabs and cal-hypo "shock". It gets very hot in the summer and rising cya levels in addition to high temperatures make it necessary to super chlorinate the pools every week. I keep the ph, alkalinity...

My question has to do with Cal-Hypo in the skimmer. I've seen mixed reviews on whether this is permissible or not. I don't have an Inline-chlorinater on the pool. My main concern is will this be okay for my DE Grids and heater etc, if I add cal-hypo to the skimmer when wanting to shock the...

TY again for the replies. This thread was mainly me wanting to make sure that my measured TA with the high amount of cyanurate alkalinity from high stabilizer pools was fine in buffering my ph's and keeping corrosion at bay. The Ph's rarely move btw when I test them, which makes me believe a...

Ty for the replies. So, let me make sure I am understanding everyone correctly. Low TA can be corrosive because it leads to low PH which acts aggressively in a pool? I tend to deal with a lot of pools with high stabilizer levels, and I know that a portion of the TA comes from the stabilizer...

I've read different places that low alkalinity acts like aggressive water and can be corrosive to pool equipment. I have a few questions about this. 1. Is this true? and What is the process and how does low alkalinity do this? 2. Is this speaking about Total Alkalinity, or Carbonate...