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  1. R

    Replacement clamp ring for Jandy pool filter

    I just returned it to Amazon. My old clamp ring seems to still be structurally sound, and I did buy a new retainer rod and nut, which I can use with my old clamp ring.
  2. R

    Replacement clamp ring for Jandy pool filter

    After servicing my pool filter (Jandy CL460, cartridge filter), I decided to order a new tank clamp ring, since the original one was 16 years old. So, I ordered this Zodiac replacement part (R0357400) from Amazon. I have removed and reinstalled the original clamp ring that came with my filter...
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    Adding too much chlorine at one time?

    I’m familiar with that chart, and use it all the time, but that is not at all what my question was about, The chart just tells how much FC you need to have in the pool, as a function of the CYA level. My only question was about what happens to the extra chlorine if you add more...
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    Adding too much chlorine at one time?

    Awhile back, I saw a reply that was in the middle of a thread on this forum, where someone commented on the idea of adding extra amounts of liquid chlorine so that you don't have to do it every day. I don't remember where it was, but the argument went something like this: a person was saying...
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    Good and bad dissolved solids

    I understand that TDS by itself is nothing to worry about. But since I had recently bought the Taylor sodium chloride test kit, I decided to measure the salt. It was 2600 ppm (I don't have an SWG pool, so its just bleach that I use). For curiosity only (I'm not concerned) I did the following...
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    CYA going down

    I use bleach and muriatic acid to maintain my pool. I have a chlorine tablet feeder that I can use if I will be away for an extended period, but I haven't used any tabs for almost a year. I follow the TFP guidelines for keeping a proper FC/CYA ratio. The last time I measured the CYA was last...
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    Good and bad dissolved solids

    I'm not having any problem that I can see. My post was simply asking whether a TDS of 3600 was cause for concern because the pool store guys that measured it claimed it was too high.
  8. R

    Good and bad dissolved solids

    Thanks. I read the TDS thread. I just ordered the Taylor sodium chloride test kit. I'm thinking that, knowing my TDS is 3600 ppm, if I measure the ppm of sodium, then the difference should be all other things. I know that my CYA is low (currently 25 ppm), so what is left of my TDS should be...
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    Good and bad dissolved solids

    I follow the TFP pool maintenance guidelines and use liquid chlorine and muriatic acid. I do my own water testing but occasionally go to Leslie’s for some tests I can’t do. Today they said my TDS was 3600. They said that was too high and I should partially drain and refill my pool. I last...
  10. R

    Relay for Jandy power panel

    Thanks. I ordered the relay on Amazon and installed it. works fine
  11. R

    CYA decreasing over time?

    Thanks. Based on my measurements I lost 20 ppm in 7 months, so about 3 ppm per month, which seems reasonable based on the thread. The pool is never covered and FC is always maintained so that there is no algae or bacteria to affect the CYA. I will probably be using the tri-chlor pucks for 3...
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    CYA decreasing over time?

    I normally maintain my pool with liquid chlorine and muriatic acid. I keep my FC level at the desired percentage of CYA, using the TFP guidelines. Have had no algae problems since I began using this method. I have an in-line chlorinator that uses 3" tri-chlor tabs, but I only use it for a few...
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    pool light trips GFCI

    Just discovered that my under water swimming pool light has started tripping the GFCI in my Jandy Power panel. I assume some current leakage has developed. It was installed about 14 years ago, so I guess an under water current leakage was inevitable. I will have to call a pool guy to deal with...
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    Relay for Jandy power panel

    I have a Jandy 6613 power control panel for my pool equipment. It is the model RS6, which can support 6 different relay control circuits. It was installed with only 5 relays, which are all being used for various pool equipment. The location where the 6th relay would go is empty. I want to order...
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    pH rising due to aeration?

    I have seen posts on TFP saying that using bleach will usually not raise your pH, but that using tri-chlor tabs will usually lower pH (because they are so acidic) making it necessary to add pH increaser to counteract this. My experience has been the opposite. Back when I was using Tri-Chlor...
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    How high can CYA go?

    Thanks. If I extrapolate the chart, it looks like if I went as high as CYA 150, my minimum and target FC levels would be 10.5 and 18. At that point I'd probably not want to go any higher, based on pH test problems, etc. It will probably take a couple years before I have used the chlorinator...
  17. R

    How high can CYA go?

    I normally use bleach to chlorinate my pool, but will occasionally use my in-line chlorinator with tri-chlor tabs, only when I am going to be away for a week or more. So my CYA level will go up only when I am away, typically about 7 PPM for each week that I have to use the chlorinator. I don't...
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    FAS-DPD FC test inconsistencies

    Thanks. i'll work on that. What is a SpeedStir and where can I get it?
  19. R

    FAS-DPD FC test inconsistencies

    I'm starting a new post on this because one of my previous posts concerned discrepancies in the FAS-DPD FC test, using two different bottles of R-0871 reagent, one of which was probably too old. This post concerns discrepancies in the test, using the same bottle of R-0871, which has an...
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    inconsistencies in FAS-DPD FC readings

    Thanks. I've noticed on several occasions that my first reading shows a certain level of FC and a small amount of CC, but when I rinse out the tube and repeat the test, it shows a slightly higher FC and no CC. For example today, I got FC=7.5 and CC=0.5 in my first test, but when I rinsed and...
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    How the TFPC method eliminated my pool maintenance stress

    I am so glad I discovered the TFP site, and am grateful for all the knowledge contributed by the members. I have yet to see a book that explains everything I've learned about pool chemistry from this site. I knew that I was not getting a straight or consistent story from the pool stores, and for...
  22. R

    Muriatic acid, pH, and TA

    Thanks. I'll let the TA go to 50 then, and see if my pool likes it, instead of getting more baking soda. I was just concerned that if TA is steadily going down, at some point I'd need to stop it.
  23. R

    Muriatic acid, pH, and TA

    How would that help? The usual recommendation is to keep TA between 80 and 120. I'm not too concerned about a TA of 70, but I just didn't want it to get too low. I've heard that pH can fluctuate more rapidly if TA gets too low. I don't mind adding acid a couple times a week. My pH increase is...
  24. R

    Muriatic acid scares me

    I've been using muriatic acid with a 31.45% concentration (from Leslies) lately since it is the most economical. Previously I used a type with 14.5% concentration, from my local hardware store and Home Depot, which was more costly when taking the strength into account. I find that the...
  25. R

    Muriatic acid, pH, and TA

    I use bleach to chlorinate my pool, and I find that I have to add a little acid once or twice a week, as the pH rises. People in these forums have said that bleach should not be raising the pH very much, but I think in my case, it may be due to aeration, since my attached spa has a waterfall...
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    inconsistencies in FAS-DPD FC readings

    Thanks. The larger bottle from Leslies continues to shows higher FC: today it showed 8.0, whereas the smaller bottle showed 6.0. I won't use the bottle from Leslies any more. As you said, it may be too old. One other thing that puzzles me, regarding the tests I did with the small bottle: When I...
  27. R

    inconsistencies in FAS-DPD FC readings

    I have been using the Taylor FAS-DPD kit for my chlorine testing. I use bleach to add chlorine. I have been using the 0.75 oz bottle of reagent R-0871 that came with my Taylor test kit. I'm trying to keep my FC in the range 4 to 6, since my CYA is 50. Recently my CYA was 4.0 in the morning. I...
  28. R

    Bubble bath in spa?

    In the past, I sometimes entertained guests, on a special occasion, by adding bubble bath to my spa. It is a 500 gallon spa attached to the pool, so once the spa is off, all its water gets re-mixed with the pool water (16000 gal). I would pour a whole bottle of Mr. Bubble in the spa while it is...
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    Effect of whole house water filter on pool water

    I found a reference for TAC that seems to answer my question. It said the following: "TAC is a physical water treatment device. It does not soften water and it is not a “salt free” water softener. It does not change the hardness of the water. TAC converts dissolved temporary hardness ions into...
  30. R

    Effect of whole house water filter on pool water

    A couple days ago I did a test of the pre-TAC and post-TAC water using my Taylor kit, with 25 ml samples, and the result was 170 pre-TAC, 120 post-TAC. I did the tests with water samples that were less than half an hour apart. I have one outdoor faucet that gets the water before the filter. So...