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  1. R

    adding Calcium Chloride

    My tests indicated a calcium hardness of 75 ppm, and my liner and heater manufactureres recommed a minum of 200 ppm. I purchased a 50 lb bag of calcium chloride, ice melt pellets, at Home Depot, and proceeded to attempt to dissolve then in warm water. The water became fairly hot after mixing in...
  2. R

    Calcium hardness, vinyl pool, and Raypak heater

    I understand that low calcium levels are not an issue for vinyl pools. My test indicated a score of 100 ppm, and Raypak recommends a level of 200 to 400. Pool math indicated adding a great deal of calcium chloride, about 577 ounces to bring the level up to 250 ppm. That is close to 100 pounds of...
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    vacuuming procedures

    I have a brand new liner, and want to discuss routine vacuuming maintenance. I purchased a pool blaster and it did a great job at spot vacuuming highly visible but limited debris areas. Since, I have a rather large pool, 40X20, using the blaster on the entire pool would be cumbersome. Assuming...
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    Pool math: dry acid addition discrepancy vs. clorox dry acid bottle instructions

    I measured my TA and it came out to 150, and the PH was at 8.2. The pool math calculations, predicated on 26000 gallons and the aforestated numbers recommended adding 103 oz of dry acid to bring my PH down to 7.4. The Clorox brand dry acid (sodium bisulfate) bottle instructions recommends 50 oz...
  5. R

    closing a vinyl pool for winter that is leaking

    It's time to close my in ground vinyl pool for the winter. However, there is a leak(s) most likely in the vinyl liner that has escaped detection. Several other leaks were found and patched but there remains more leaking. The liner is very old and needs replacing (+20 years), but my pool guy says...
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    leak with pump off

    I know that I have a suction side leak in my system. I believed that my manifold was leaking air at the t connections so I tried to use some pvc glue, and flex seal. Although it improved the volume of air in the pump basket it didnt completely solve my problem. In any event, I decided to turn my...
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    Inconsistent results on air leak water tests

    I have a suction side air leak (could be more than one), that has stopped inconsistently with a water test. By that I mean, on any given time it may temporarily stop when using a water test, but the next time it will not. Despite the inconsistency, I have tried using pvc glue and flex seal to...
  8. R

    Need new suction side valves

    I likely will need to replace my 3 suction side valves (2 skimmers, and a main drain) as I think one or more are leaking air. Are Jandy valves the best way to go for long term reliability and maintenance ? Links to specific valves would be appreciated. :wave:
  9. R

    Serious help needed

    I have an in ground vinyl pool, 20X40 that has not been opened for many years. The pool had a heavy duty mesh cover in place. Over time, the cover began to deteriorate. I am trying to open the pool but it is loaded on the bottom with decaying leaves, some of which has turned to a thick muck. The...