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    Replaced filter sand and new VS pump, now have to backwash weekly

    It's a hayward sand filter. I never had trouble with filtration but when having pool company redo plumbing and adding new VS pump I said go ahead and replace the sand since you have to remove it anyway to do the work. Sand was maybe 7 years old, pool repair guy that I trust said 5 years is...
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    Pump breaker immediately trips even with pump switch off

    Never had the breaker trip before. A 220v/20a GFCI breaker in house panel goes to a junction box outside near pump with a switch in the box. This j-box is then hard wired to WhisperFlo 1hp pump. The key here is the junction box has a switch used to turn pump on or off, just like a light...
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    How to repair a large vinyl tear in corner?

    I have a 10" horizontal tear in the corner gaping maybe 1.5". The liner is old and this is the first sign of failure otherwise the integrity is good. Can I just use a patch of liner material and some cement that comes with a patch kit? My only concern is the thickness of the vinyl is very...
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    Pretty sure I have mustard algae - HELP

    Been slamming for 3 days CYA 45-50 TA 130 (I use trichlor) pH - 7.3 FC - 22 CC - varies during the SLAM, 0 - 2.5 I've been maintaining FC 20. My CC has been as high as 3.0. During the day the water is crystal clear but there is mustard colored stuff on my vinyl liner, think dark brown...
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    The wonders of GE silicone #2 and leaks

    I've been dealing with a leak at one of my returns for two years now; mostly kept it in check. It finally got so bad that I was losing 2.5" of water everyday this year after my niece picked apart my previous repair work. My local pool store is good, he's a builder. Kept telling me to go get...
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    I got bit by midwest temps going up

    Time to SLAM! I've consistently maintained FC of 7-8 for my CYA of 40 using pucks. I had a leak that I fixed and tested CYA again to learn it was 25 last weekend. So I added 1.5 quart by volume to raise CYA to 50 which my pool seems to like given all day sun. Last night I measured FC at 5...
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    Leak in return fitting - use plumbers putty? EDIT fixed

    I've had this leak since last season. I telflon taped the threads really well on a closing plug and that kept it at bay. Now it's gotten worse and my closing plug isn't quite sealing it. Because it is the female threaded fitting that is cracked the plug doesn't really thread in properly...
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    At what water temp is CYA test reliable?

    Easy question. I'm opening this weekend to avoid any algae (porus loop-loc cover). What are the effects of cooler water on CYA test - does it read low or high? Being precipitate based I would assume it would read high as there would be more precipitate sooner. Secondly I guess if I bring the...
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    Anti-freeze - doesn't it get back to water when opening

    I'm totally confused on how to close my pool, first time owner and I can't screw this up with IGP and concrete decking. 4 returns, 1 skimmer, one side drain. I get blowing out the plumbing but still not sure if I do this with the water above the returns or not. Do you blow out the plumbing...
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    I have a kit/plate pool, can I make it deeper?

    The pool is 3 feet at shallow and 5 feet at deep end. It's one of those kit pools with plates. I plan on replacing the liner next year or two and asked my pool guy "since I'm spending 4 grand on this liner, can you make it deeper while you're at it?" He frowned on the idea because he couldn't...
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    Sudden .3 pH drop - what caused it

    I'm using pucks and the pH has been rock solid at 7.7 for 6+ weeks now. Almost to the point of I felt redundant testing it every evening or two...look at the color, yep 7.7 as always. TA was 100 but I haven't tested it in 3+ weeks so I "assumed" my TA was good because of pH stability. With...
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    Solar cover has some algae on it, ok to put on pool?

    With temps in the 60s at night I need to start using my solar cover. It has small spots of viable green algae. Is it OK to put on the pool? If not can I just spray it down or do I need to hit it up with a bleach/water mix? CYA=45, FC is maintained between 6 and 8, CC=0
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    Looking for a solar cover reel - any good ones

    I'm never going to use my solar cover unless I have a cover reel, too big and too much of a pain. Looking around on Amazon there are many. I would have to life it (the reel and cover) up over a hand rail on the deep end and the cover is pretty heavy. Meaning to really get it out of the way...
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    Sand filter pressure gauge suddenly down 25% - fixed

    I had new sand, fingers and new multiport installed on my hayward sand filter. Pressure was a nice 24 psi on the m-port gauge and stayed that way for weeks. I went on vacation for 5 days and some storms blew through resulting in a lot of debris in the pool (leaves). I cleaned that all out but...
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    Pump input air leak - use silicone for temp fix?

    I've got another air leak, this time it's on the threads on the pump input. You can hear it whistling. Given the temps, heat index over 100s for the next few days, and how much I wanna use my pool (I'm on vacation), can I just use aquarium type silicone sealant around the leak/thread union for...
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    Leak emergency - 1" per hour

    I removed a return eyeball that is an inpool chair last night. It always seemed off/misthreaded and was very difficult to remove but I screwed it back in. Pool company opened my pool, so looks like they misthreaded it. Well now I'm losing close to if not more than an inch of water per hour...
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    Should I add DE to my sand filter?

    I have very fine brown particulates (dead algae, more like dust in size, you can way your hand near it and it becomes invisible it's so fine) that settle on the seams of my vinyl liner. I vacuum weekly going very slowly and methodically, but they come right back the same day. I don't know the...
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    Want to raise pH via aeration for TA lowering - get air leak

    I am using trichlor for now so I can understand my pool better and how to deal with vacations. Using trichlor I experienced as expected ph drop and was using borax to raise pH and get my TA above 100 via baking soda. Then I got a very small suction side air leak cause returns to be ever so...
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    Using plumbers putty to fix small air leak on returns-fixed

    I had no air leaks until I first vacuumed the pool, that's when it started. It's very small causes small spurts of air from returns, almost enough to not worry about, I thought it was just removing the little bit of air I introduced joining the full of water vaccum line to the skimmer input. I...
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    How to cool down a pool?

    It's about 17-18k gallons. The temps have been high 90s and lows in mid 70s. So the water is up to 86 degrees. I think I like 84 the best. Is there anything I can do to cool the temperature down as the weather is going to stay like this and it will probably rise a little more. Would some...
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    Considering adding salt to vinyl IG pool for water feel

    I know it's been covered a lot and I've read a lot here. I have a salt test kit coming. I'm using chrloinator pucks for now to understand demand and raise my CYA a bit. Pool gets all day sun, 10+ hours. There is no SWG. What I'm asking is should I do this (I know it's a HIGHLY subjective...
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    Testing pH with meter vs. Phenol Red

    I have a Hanna pH electronic meter from my reef tanks days. You stick the thing in the water and and two electrodes measure. Was some 70 bucks, supposed to be Dang accurate. Problem is it reads .1-.2 HIGHER pH than phenol red test kit from K-2006 and the HTH kit from walmart. Tonight K2006...
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    Dozens of pin holes in my vinyl liner inground pool

    Bought a house with a pool in the fall with it "closed", got it opened/going great thanks to everybody here. Except there's the problem of losing close to an inch a day in water. Given the poor shape the pool was in from previous owner, pool company did a total drain and fill to open (water...
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    Bought house with pool, thanks to you guys it's in top shape

    So my story of "what the heck do I do with this thing". Bought/offered house with pool, seller closed it up by putting a cover over it and calling it done before closing/ownership. What did I know? House was on market for two years, yeah bargin! Keep in mind, and I'll remind you of this...