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FC 3 CC 0 PH 7.2 TA 80 CH 180 CYA 30 CSI -0.71 My thinking is the CSI should be as close to 0.00 as possible... am I correct in this thinking? What is the best method to raise the CSI without throwing everything else out of whack? I have been using the PoolMath App and thanks to the great wealth...

Since learning about this site and the TFP process I have learned a lot. I SLAMed the pool this past week and did the overnight chlorine loss test. Perfect! I was ready to maintain. I travel for work and thought I had expressed the importance of checking the free chlorine levels EVERY day...

From the research I have done on this site everybody recommends the Maytronics S200. I’m not needing anything super fancy just something to vac the floor of the pool so I don’t have to. Would the E10 work for that?

I currently have an old Hayward sand filter rated for 35gpm that is completely discontinued and the top half of the filter is leaking water slowly. I limped thru last years pool season with it. The pool water has always been clear but at night you can see a slight haze or cloudiness to the water...

Ran across this forum browsing for information and I have learned a lot and am looking forward to learning more. I have a small 12x31 inground vinyl pool with a sand filter and a Pentair VS pump that has been fairly easy to maintain but I am having to replace equipment and what to do it right. I...