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    Pool stubbornly cloudy after refill and SLAM

    OK, good to know, thanks again.
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    Pool stubbornly cloudy after refill and SLAM

    Thanks, will do, does the subscription fee for the pool math app go to TFP?
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    Pool stubbornly cloudy after refill and SLAM

    Hi all, a quick update incase anyone else comes across this thread. I kept at it for a couple more days but cloudiness persisted so I followed Richard's advice and added DE to the sand filter. As predicted PSI rose pretty quickly (first batch needed backwashing in ~2 hours, then ~4 hours, then...
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    Unreliable PSI changes when adding DE to a sand filter

    Thanks Maddie. This morning I backwashed again and this time I added 2 cups of DE. Still no initial PSI change, but PSI does slowly climb over the next few hours. It's definitely working (pool getting clearer, backwash water filthy) but I guess there's something odd about my filter/pressure gauge...
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    Unreliable PSI changes when adding DE to a sand filter

    Following advice in this thread I have added some DE to my sand filter to improve filtration. However, the resulting PSI changes are inconsistent so I'm wondering if something is off. Here's the data: Round 1 Filter was initially at 12.25 PSI Added 1/4 cup of DE at a time until filter reached...
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    Pool stubbornly cloudy after refill and SLAM

    Thanks Tivo, I did not know that, I'll give it a go.
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    Pool stubbornly cloudy after refill and SLAM

    Since changing the sand, and before draining the pool and starting on the TFP method, I've added a lot of powdered shock and a little of Leslie's "perfect weekly", but probably only 2 cups since changing the sand. Duraleigh, thanks, I'll keep brushing and filtering then. The FC dropped...
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    Pool stubbornly cloudy after refill and SLAM

    Thanks! Sorry, I should have been clearer. The pump is absolutely running 24/7, but the dust in my pool has no problem settling on the bottom even with the pump running. Perhaps because we have only a skimmer and so poor circulation.
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    Pool stubbornly cloudy after refill and SLAM

    Reporting back with photos Here's the shallow end: And the deep end (note you can just about see the capped main drain at the bottom, its more visible by eye) The pool is still pretty cloudy, and it failed the overnight chlorine test (dropped from 17ppm to 15pmm). It's had 24 hours at...
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    Pool stubbornly cloudy after refill and SLAM

    Thanks, yes, the skimmer-only is a total hassle. A previous owner cemented up the main drain so I assume it was leaking at some point. I do have a manual vac though need more practice getting it to work; whenever I connect it to the skimmer the pump loses prime, so air must be getting in to my...
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    Pool stubbornly cloudy after refill and SLAM

    Thanks both. It's been cloudy for ~36 hours, but I was surprised that the cloudiness was persisting even though chlorine levels are stable overnight. Could the cloudiness just be dust kicked up by my brushing? The robot is definitely collecting plenty of sludgey grime every time it runs. I'll...
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    Pool stubbornly cloudy after refill and SLAM

    Thanks! PSI has not obviously changed, it's hanging around 10. I backwashed maybe a week ago, before the draining. To be honest I have doubts that the pumps pressure gauge is fully working - it definitely goes up when the pump is running, and goes up more when the pump runs faster, but it...
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    Pool stubbornly cloudy after refill and SLAM

    Hi all, I'm new to TFP after having a frustrating time delegating water testing to a store and getting yellow algae. After reading TFP's articles and doing my own testing I realized my CYA was way to high (~120) and this was probably stopping my chlorine doing anything at all. Since following...