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please help me get where my numbers need to be. I had algae collecting all on my tanning ledge steps and The pool store gave me a bottle of Bioguard Back Up 2, and now the algae looks worse on sides of pool and the floor and around the return jets. These kits are still so confusing to me. I...

Hi. It's been 7 months since I last tested my pool water. I use the TF-100 kit. I used to always have high alkalinity, otherwise everything seemed to be fine. The pool store would always give me dry acid pellets but I don't seem to need them now that I haven't used them (I was told to stop using...

Hello all. I was here on June 7th with some questions about testing my own water instead of the pool store. The advice I got here was to add liquid bleach to reach about a 6 of FC. I still don't understand why, but I trust you guys, so there's that :). Anyway, My pool was clear already before...

Hi. I am new to testing chemicals myself. I have a 18x44' vinyl lined pool salt water generator, 23,243 gallons (that's what they say). I went to the pool store 1 month ago and this is their readings. They gave me a bag of PH decreaser and a big bucket of something for calcium hardness...