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  1. J

    Should I be worried about my vinyl liner bead micro-cracking? (pics attached)

    I have an AquaSport 52 with a good quality, thick vinyl liner. The pool is 4 years old and this year I noticed that on one side of my pool the very top of the bead on the vinyl liner is discolored/yellowed. To me it looks like sun damage. This is only happening on one side on about 15 feet of...
  2. J

    Is it OK to close my pool with a vinyl liner with FC at 16.5 (CYA 40)?

    Background I live in Utah where we get cold snowy winters. This is the third year closing my pool so I'm becoming a pro at it. I'm meticulous about checking and balancing chems daily & weekly when the pool is in operation. In preparation for closing, 7 days ago I shocked using 7.5% bleach to...
  3. J

    Why does the TFP app suggest FC at 4 - 8 PPM but CDC recommends 1-3 PPM?

    This is my second year using the TFP app to track and balance my pool's chem levels. Last year I used pucks but due to escalating CYA issues I switched this year to liquid bleach. It has been working great but I want to make sure I'm not adding too much chlorine. Current Levels: FC: 5 pH...
  4. J

    Pool winter cover is "melting"

    One side of my 18' pool cover appears to be "melting". This is not happening on the entire cover but only on one side, and only where it's _not_ touching water. Anywhere it's touching water is fine. The cover is GLI's top-of-the line cover and it's only been on the pool for ~2 months. When I...
  5. J

    Balancing High TA and Low pH with acid and aeration - Am I doing this right?

    Context I built the pool in the Spring this year. Stats are in my sig. Our tap water has naturally high TA and low-ish pH. For most of the summer we used Chlorox pucks in a floater for chlorination. Because of the pucks my CYA was getting out of control and pH kept dropping. I stopped using the...
  6. J

    My $5 Return Jet Aerator

    I've received a lot of useful help from this forum and want to give back a bit. My pool pH keeps dropping weekly and I need to raise pH without touching my already high TA so as a quick fix I've been adding Borax. I reached the 60ppm threshold and needed to start aerating. I looked at the "SPA...
  7. J

    Low pH but high TA and pH keeps dropping

    Summary: Out of the tap my water has low-ish pH (7.2) and high TA (120). The TA has been stable but the pH keeps dropping. over the past 6 weeks I keep adding borax to raise pH but not affect TA and it works, but then after a week or two the pH drops again. I've scoured the TFP forums and Google...
  8. J

    Alternative to Unicel C-7399?

    This sprint I built an Aquasport 52 18' partial in-ground pool and we've been LOVING it this summer. I just cleaned the filter for the first time and followed the instructions on Pool School and did a TSP deep cleaning and that worked fantastic. As I went through the cleaning process for the...
  9. J

    Is it safe to temporarily (2-3 days) run the pump from a heavy duty extension cord?

    I just built the pool (AquaSport 52 18' Round). The pavers on the pool deck are still going in so we filled the pool up to the skimmer then sealed it with heavy guage plastic sheeting to keep the dust out from landscaping + pavers. Nobody got in the pool and it was clean tap water so I thought...
  10. J

    Best way to install Gladon Foam Cove in 18' round AquaSport 52

    Our AquaSport 52 18' Round pool is now constructed and we are ready to install the foam cove then lay and compact the sand base. I purchased the right amount of Gladon foam cove from Amazon, as recommended by the place where we purchased the pool. Two questions: 1) I was planning on installing...
  11. J

    Questions for constructing Aquasport 52 partial in-ground

    We purchased an Aquasport 52 18' round 52" pool and are planning on installing it 3ft in-ground. We are having our landscaper excavate the hole and he will be leveling the bottom of the hole with 2" road base that is power-compacted with a thumper. Our soil is not clay, but it's not sandy loam...