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My CYA was at 80–confirmed by 2 separate tests. My SLAM took nearly 2 weeks and a lot of bleach to sustain a shock level of 31ppm (also confirming the CYA Reading was correct). After successful SLAM and OCLT I opted to reduce my CYA to lower my target FC and spend on bleach. I drained about 8”...

I’m in the middle of my slam. I have not passed an OCLT yet but I know I’m close and may pause for a weekend pool party. It’s tuesday and cloudy. Pool party Saturday. CYA is higher than I would like @ 80 so Ive been maintaining slam FC of 31. My question is this, I’m concerned my FC will...

Hello--my pool is 21 years old and the decking goes to the edge so technically it is also the coping. (Photos Attached). I've tried to repair it in the past with various bonding agent, etc--can anyone recommend a product or a solution to fix this?

I converted to the SLAM method 2 years ago and have convinced others to do so--I've saved thousands of dollars!! My current CYA is 20 and I'd like to try and raise it with some left over Chlor-Brite, which is 99% sodium dichloro-s-triazinetrione, providing 56% available chlorine. Does anyone...

Using a TF-100 my CYA reads zero. (I can see the black dot when filled completely.) But I know it is not zero. I had the local pool company test it twice 2 weeks apart and they have a reading of 30 ppm both times. Also my SLAM calculations are jiving at 12 ppm shock level when I add/test; so I...

Hi All I passed a SLAM 1 week ago. Getting ready to go on vacation for 1 week. I have a Pentair 320 chlorinator which I will fill with 3" trichloror tabs. I never use the chlorinator. Does anyone know what I should set it to to try and mitigate Algea the week I am gone? CYA is 35 so I'll be...

Hi All--in the process of a second SLAM this year after a week vacation w/ chlorinator on with tabs. Except for the residual green algae dust upon brushing, the SLAM appears successful. Last 72 hours of readings below with 2 overnight OCLT < 1 and CC consistently at 0.5 or 0 FC 15, 14.5, 16...

Hi All. 4 Days into pool opening SLAM Last 24 hr readings: 5/7 5/8 5/8 5/8 CYA: 35 35 35 35 FC 10 8.5 10 14 CC 0.5 0 0 0 TC 8.5 12...

I had mild staining to my vinyl liner 4 weeks ago. I rubbed a spot with a lemon and it went away. I reduced chlorine to almost 0 and did a vitamin C treatment. Worked great. All stains went away. Per instructions I waited 4 days to shock. In that time massive algae bloom occurred. I did 2...