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    'Cyanuric Acid Standard' 70 ppm

    If a user on here has pool water which they believe is 70 ppm CYA, could they just mail it to me ?
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    'Cyanuric Acid Standard' 70 ppm

    Whadya charge ?
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    SLAM Criteria Disagreement

    The crux of the recent replies seems to be that it takes little more LC to maintain FC at 20 than it does at 5. If this were true, I agree that it makes the most sense to just keep it at 20. But, isn't the loss more of a percentage? Dropping 3ppm from 5 is 60%. Apply that to 20 & you're at...
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    SLAM Criteria Disagreement

    @Leebo: THIS thread is [supposedly] not about me nor any particular opening. But, let's suppose that a brother is using 5-7 gallons of LC per day, reckon mostly depending on the sun. There are many 'opening' threads here over the years with this situation. I am looking for a chemical/math...
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    SLAM Criteria Disagreement

    Thanks, some of you, for your informative posts. I guess I'm glad this is 'resurrected', though perhaps in the wrong forum, & a few seem to have been offended. @Texas Splash : Thanks for the info & "First, I suspect your post was moved because there was a concern that it could negatively...
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    SLAM Criteria Disagreement

    So, there's a forum graveyard. Thanks mod! We've all seen useful forums die on the internet. The 1st step? over zealous moderators ! I've been using this forum for 8 years, & have found lots of good info. However, we are definitely seeing the classic signs of cult forum beginning. Can it be...
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    SLAM Criteria Disagreement

    I REALLY don't appreciate this NEW thread (post #34) being moved. They are NOT about the same thing, & we are now arguably in the wrong forum! How do I even know who moved it?
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    SLAM Criteria Disagreement

    Well, you know where it's going: 1) if you have a larger pool, SLAM chlorine gets expensive. 2) 2021: many (most all in my area) stores are sold out of 'pool chlorine' (liquid & tablets!). As you can see in the threads, we are regularly going ~10 days, just waiting for the water to clear...
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    Cloudy water on Day 7 of SLAM

    I'm sure there are a number of pros/cons. Surely the time required to clear the water is a big factor, if not the biggest. Some of us are spending a fortune on chlorine, & most places are now sold out! So, does that mean we want a high pump speed, somewhat conflicting the 1x00 rpm advice...
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    Cloudy water on Day 7 of SLAM

    OK, do we have an answer for this? What is the optimal pump speed (%) for SLAM ?
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    I need your help. Cloudiness has not changed over a week & a half !

    18 days, ~$300 liquid chlorine, no change ! I notice that my CH is 30 , which is MUCH lower than expected. Does that turn on a light for anyone? Surely, a chemical explanation is easier at this point. pH is now 7.5 My DE came with the house, so I got some new. When I put it in, the pressure...
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    I need your help. Cloudiness has not changed over a week & a half !

    Thanks for the reply. I've not been doing accurate OCLT, as the water is so cloudy. However, I was losing very little FC overnight, like from 24 down to 22. The weather here has been quite a roller coaster the past ~month. Surely I have/had a chemical issue of some sort. I can't imagine going...
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    I need your help. Cloudiness has not changed over a week & a half !

    Thanks for the reply. Yes, it's as if I'm not filtering at all. I thought of the same thing(s), & checked that the valve is set to filter. Yes, the water is noticeably dirty when backwashing. Yes, the pressure is rising slowly. It all seems normal, except that you can't see the bottom of the...
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    I need your help. Cloudiness has not changed over a week & a half !

    I have "deep cleaned" the sand, as I stated. The sand is 4 years old, as I have stated. The pool is ~9 years old.
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    I need your help. Cloudiness has not changed over a week & a half !

    I am trying to find any explanation, perhaps adding salt only one day after the "Instant Conditioner", which I've not done before. That's why I asked when you added salt. The water is not clear. Moreover, IT HAS NOT CHANGED AT ALL IN 15 DAYS OF SLAM.
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    I need your help. Cloudiness has not changed over a week & a half !

    Thanks for the reply. I am using "ClearXtremePro Pool Shock" from Rural King, same as I have used the past four years. Bottle says "Sodium Hypochlorite 10%" "Distributed by Polyguard Division of DYK Automotive" BTW, I have some more info in this thread...
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    I need your help. Cloudiness has not changed over a week & a half !

    Thanks for the reply. It certainly isn't "clear." You can't see the bottom, even in shallow (3') end. I'm figuring it looks "turquoise" just because my liner is light blue. I am/was just trying to say that it doesn't look bad, not brown or green at all. I've had an algae issue before, & I...
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    I need your help. Cloudiness has not changed over a week & a half !

    My sand is only 4 years old. The water clarity has not changed at all now for two weeks ! I have spent over $200 on 'clorox', besides leaving the pump running 24x7. @Brendon , Is yours a salt pool? @Catanzaro , when do you add salt? That's one thing I did different this year; I put in ~350lb...
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    I need your help. Cloudiness has not changed over a week & a half !

    Still absolutely no change in clarity ! The water is a beautiful turquoise color. I am at a loss. I don't know what else to try, except going to a pool store ! :hammer: I've spent over $200 on 'clorox' , + the pump running 24/7 for two weeks now. My CC is 0, btw. It seems like the water...
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    I need your help. Cloudiness has not changed over a week & a half !

    So, I didn't mix the liquid stabilizer like that. I just poured it in the pool. Yes, my CYA level was low, as it is every spring. I am just looking for some explanation why the water is acting so much different this year as it has in years past, same as the OP. I have done the "deep cleaning"...
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    I need your help. Cloudiness has not changed over a week & a half !

    Thanks for the info. I might say that the "Chlorine / CYA Chart" page can be misleading for a SWG pool. The way I [now] undertand it, you should keep your CYA in the "Non-SWCG Pools" range, for opening ? I sprinkled DE in the filter while I had it open. It raised my pressure from ~7.1 to ~8.3...
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    I need your help. Cloudiness has not changed over a week & a half !

    I am in a similar boat, except 12 days in. This year I used 2 gallons of Natural Chemistry Instant Conditioner. I had only ever used 1 gallon previously. I note that stuff goes in quite thick. Does anyone here have successful results using much of this to open? Thanks.
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    I need your help. Cloudiness has not changed over a week & a half !

    So, I tore into the sand filter today. It was surprisingly clean. I did the "Deep Cleaning" & very little came out, other than cloudy water. The pool water clarity still has not changed at all. Now, let's get into CYA level. Given that I am now at 50 in my SWG pool, but with the chlorinator...
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    I need your help. Cloudiness has not changed over a week & a half !

    Thanks for the replies. I am not brushing the entire pool every day, but the robot is. I am brushing the corners, lights, returns, skimmers, steps. Wouldn't the water mostly clear anyway, at such a high FC level? My pressure hardly ever goes up 25%. I am now backwashing ~daily. The waste...
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    I need your help. Cloudiness has not changed over a week & a half !

    Hey experts! I'm sure you can figure this out. I have run out of ideas, & nearly patience. I took the mesh cover off my pool on May 25. I vacuumed, then adjusted the pH from way high down to 7.1 & TA from ~40 up to 80. I may have overshot CYA from ~20 up to ~70 (perhaps more on that in a...
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    new K-1000/K-1001 both reading very high vs TF-100 FAS/DPD

    My K-1000 shows "5 10" at the highest level, & my reading is above (darker than) that ! I don't want the trouble/expense of doing the powder test every time, & haven't had to for 5 years ! So, the K-100x should have only two gradations, "yes" & "no" ?!? Why do they have 5 ? I got the K-1001...
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    new K-1000/K-1001 both reading very high vs TF-100 FAS/DPD

    OK, I have now realized one anomaly, which I neglected to mention: As my salt cell evidently died this spring, it was giving bad salt level readings. So, I put in too much salt. My level is elevated, ~3700. Would this cause the K-1000 & K-1001 to read high?
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    new K-1000/K-1001 both reading very high vs TF-100 FAS/DPD

    My chemical usage this year is the same as in past years: Arm&Hammer baking soda, muriatic acid from Lowe's (green jug), PuriTech granulated CYA. Thanks to TroubleFreePool, I don't use much. I also use 20MuleTeam borax (40). Two issues opening this year: pH was low, which never happens. I...
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    new K-1000/K-1001 both reading very high vs TF-100 FAS/DPD

    This is my 6th season with this pool. Previously, the K-1000 & K-1001 very closely matched the results from the TF-100 DPD powder test (& AquaCheck strips). My pool has been quite stable for years, so I traditionally only do the DPD powder test weekly. This year, both the K-1000 & K-1001 are...
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    paint flaking off ladder

    Hello. I figure if it is stainless steel, I can/should just strip it & leave it unpainted. So, how do I know whether it is stainless? https://goo.gl/photos/SwKEmPErtuptYTT57 If it is not, what is your advice for repair? How to strip? How to paint so it lasts? The pic with the exposed...