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  1. domct203

    Staining From Low CH?

    Your CH, CYA & pH results are impossibilities when using one of the recommended kits, so that is a give away you did not use one. I would make it a point to add calcium and balance CSI as soon as the weather allows.
  2. domct203

    Am I thinking correctly?

    You should be following the FC/CYA chart. Pool School - Chlorine / CYA Chart If your CYA is 90ppm, your daily target is 10-12ppm, and you should never allow the FC to go below 7ppm. If your CYA is 60ppm, your daily target is 7-9ppm, and you should never allow the FC to go below 5ppm. What...
  3. domct203

    What did you do to your pool today?

    I stared at the winter cover and sighed ....
  4. domct203

    green algae cannot be erradicated

    The only thing rain is going to do is make you wet. Unless you get a monsoon, rain has very little effect on pool chemistry. Does your test kit contain a FAS/DPD (drop count, no color matching) chlorine test? Can’t properly perform the SLAM without it.
  5. domct203

    green algae cannot be erradicated

    Following the procedure, lower pH to 7.2 and raise CYA to 30ppm in preparation for the SLAM. Before you do anything, do you have a proper test kit to complete a SLAM? How do you test?
  6. domct203

    Good Morning

    Pool builders are great at building pools, as they should be, but most only echo what pool stores and chemical companies preach. In simple terms chlorine is a gas. When bound to salt it is sodium hypochlorite. Mixed with water it is commonly referred to as bleach, regardless of use. Straight...
  7. domct203

    Nothing But Trouble After Switching to BBB

    It’s your pool, care for it as you wish. If you spend some time researching here on the forum, you will see many many posts where pool store testing is unreliable, and leads to unnecessary money spent and quite a chemical soup in your pool. With your last posted test results it does not...
  8. domct203

    Just started tfp method - pool still turning green, losing fc

    Your pool is turning green because you are letting your FC drop too low. With a CYA of 50ppm, your FC should never go below 4ppm. Pool School - Chlorine / CYA Chart
  9. domct203

    What did you do to your pool today?

    Closed her up today. It’s officially “not-pool season”
  10. domct203

    What's your current pool temp?

    60F yesterday and today. Forecast highs for the week from Tuesday on are <60F. Guess I’ll be closing this coming weekend.
  11. domct203

    Paver Sealant chemicals in my pool HELP!

    What makes you so certain it is the sealer? I would tend to agree that it’s the dirt and debris from the power wash. Follow Dave’s advise and you should be good.
  12. domct203

    Tile Imperfections??

    I could live with #1 and #2, in fact I would worry that the repair would be obvious. #3 however, looks terrible. I would definitely discuss my options with the builder there.
  13. domct203

    cloudy water with good number. help please

    As mentioned in the thread, it’s because you cannot accurately measure the pH during the SLAM. This is also stated in the prerequisites of the SLAM procedure.
  14. domct203

    cloudy water with good number. help please

    Give the pool a good brushing to expose all the algae to the chlorine. Your FC will be under 10ppm in no time. Once you get pH to 7.2 go straight to SLAM.
  15. domct203

    Are any of the current Intex SWG models worth using in an inground pool?

    I run two Intex units on my 6700 gallon pool, second season so far. In the peak of summer I ran them about 5 hours each and had no issues keeping up with FC demand. Right now I have one running 2 hours, and I alternate between them until they get put away for winter. I have a link in my...
  16. domct203

    Concrete slab in Above ground pool

    If it’s a standard steel (or resin) walled pool, I would think the slab would be poured first so the pool can be set on top.
  17. domct203

    Do I need to do the SLAM process if my FC is stable before closing?

    I open to a clear pool that does not need a SLAM, fourth season now. As mentioned, close cold, open cold.
  18. domct203

    CYA - Confused

    Just to add to that great advise, never mix any form of chlorine. That includes Trichlor, Dichlor, Cal-Hypo, and Sodium Hypochlorite.
  19. domct203

    Constant battle with algea

    CYA is a bit of a challenge at first, I hope this info helps. Pool School - CYA I find it easier to fill the view tube to the first mark, then glance, not stare. If I see the dot, I fill to the next level and glance for the dot. I continue until I don’t see the dot at a glance. If I stare, my...
  20. domct203

    CYA Issue

    I hope you have come to realize that the “tabs” you continue to use are the cause of your CYA issue. Once the water is too cold for the SWG, you should use liquid chlorine, aka bleach. When you do the CYA test, it should be outdoors on a bright sunny day, with your back to the sun, reading the...
  21. domct203

    Constant battle with algea

    +1 Brushing your pool is like brushing your teeth, it is a preventive measure that should be done regularly. Would you please list a complete set of test results including: FC CC pH TA CH CYA Also, are you doing the CYA test outdoors on a bright sunny day, back to the sun, reading the vial in...
  22. domct203

    Can't find draining valve

    You can’t properly SLAM with a DPD test kit. You need a FAS/DPD kit.
  23. domct203

    Constant battle with algea

    Welcome to the forum! What is your CC level? Once the pool is completely free of algae, we will help you keep it that way. I had your same filter and pump on my 6700 gallon pool and found it’s overall performance marginal. It took forever to vacuum, and required backwashes during vacuuming...
  24. domct203

    CYA Issue

    It’s staying high because you keep adding it. Using trichlor tablets, for every 10ppm of FC you add, you also get 6ppm of CYA. The FC is consumed, the CYA is not, and continues to accumulate.
  25. domct203

    CYA Issue

    CYA doesn’t just “jump up”, either it was added to the pool, or there is testing error. Test strips are useless, especially for CYA. How do you normally chlorinate?
  26. domct203

    Do I need to do the SLAM process if my FC is stable before closing?

    Once my water is maintaining 60F, I raise FC to shock level, hold it for 24-48 hours, then close the pool.
  27. domct203

    Nothing But Trouble After Switching to BBB

    What form of chlorine are you using? How much are you adding to go from a FC of 0ppm to FC 5ppm?
  28. domct203

    Need help before Saturday

    That is not the answer to your problem. Did you read the article at all?
  29. domct203

    Can’t Live With/Without?

    With, or without?
  30. domct203

    Help finding leak in intex top ring

    Our first pool was a 12’ x 30” easy set. We took it down for the winter, and by the end of the next season we had more patch than ring. We were adding air just about daily too. I don’t think the ring material holds up to the UV Rays very well, and the ring is destined to fail. I’ve read a few...