Water under my liner - pool is empty

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dennislaughlin

Member
Oct 27, 2019
24
Lowell, Arkansas
Hello. I searched both the forums and google and couldn’t find anyone in my exact situation as my pool is empty (a long story!)

I have water under my liner at the deep end, so should I just unscrew one of the main grates (I have two) and let it flow over to the other side of the liner or should I suck it out with a transfer pump from up top? I’ll have a hard time getting a hose to the bottom due to being about 8’ deep and having angled sides. TYIA!
 

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Seems like you might have a couple scenarios. Perhaps part of that "long story" you mentioned. Either the liner tore somewhere leaking the pool water out and below, or your local water table is rising up from the ground. Do you know which? It would be helpful to confirm the source of the water. The liner should be sealed around each drain, so removing the drain covers shouldn't do much to help unless you find a bad hydrostatic valve in there which is possible. Or perhaps a drain line ruptured in which you could just plug the drain(s).
 
Texas Splash said:
Seems like you might have a couple scenarios. Perhaps part of that "long story" you mentioned. Either the liner tore somewhere leaking the pool water out and below, or your local water table is rising up from the ground. Do you know which? It would be helpful to confirm the source of the water. The liner should be sealed around each drain, so removing the drain covers shouldn't do much to help unless you find a bad hydrostatic valve in there which is possible. Or perhaps a drain line ruptured in which you could just plug the drain(s).
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Well the long story is that my property backs up to a pasture and a vineyard. I get a lot (hundreds to maybe more than a thousand!) of worms in the pool throughout the winter, so my plan was to completely drain, clean, and then refill. But, my sump pump float switch apparently failed so the pump took water out till about maybe 2’ in the deep end. That was not intentional, as I prefer to keep it right below the lines.

We have gotten a ridiculous amount of rain lately, so it would make sense that the water table would be the cause of the water unfortunately

With regard to the main drain grate, if I unscrew that, and remove it and the gasket, I would then be able to access “under” the liner.
 
dennislaughlin said:
With regard to the main drain grate, if I unscrew that, and remove it and the gasket, I would then be able to access “under” the liner.
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You would, but getting the liner to go back could be another story. Liners, especially older ones, don't play nice when it comes to removal and install. I would think (hope) that if you get the sump pump working again to remove the water under and around the pool, that the liner would eventually fall back into place. Maybe with a new wrinkle here or there, but at least be salvageable. But if you attempt to pull the liner from the seal around the drains, it may create more of a mess. Just something to keep in mind.

If you do pull the drain covers, I would check to see if you do have hydrostatic valves installed. If working properly, they "should" have allowed relief for ground water from below to help prevent all of this. Either you don't have hydrostatic valves installed, or they may be stuck/defective.
 
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dennislaughlin said:
Well the long story is that my property backs up to a pasture and a vineyard. I get a lot (hundreds to maybe more than a thousand!) of worms in the pool throughout the winter, so my plan was to completely drain, clean, and then refill.
Click to expand...
I get thousands of worms in my pool as well over the winter. I just run my robot a few times and bring the chlorine up to slam level and call it a day.
 
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Well, I got the hundreds of worms sucked out of the bottom and mains. I took the grates off and noticed a crack in the gasket ring on the left side main drain. That’s likely part of my problem. I’m letting the water drain out of the gap between the liner and the main housing and sucking it out on the other side using my sump pump. Here is a link to video of the crack and water flow. 🤷🏻‍♂️

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Orion7319 said:
I get thousands of worms in my pool as well over the winter. I just run my robot a few times and bring the chlorine up to slam level and call it a I’ve always tried to use the in-line leaf basket but that gets clogged so quickly
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Orion7319 said:
I get thousands of worms in my pool as well over the winter. I just run my robot a few times and bring the chlorine up to slam level and call it a day.
Click to expand...
Where do you clean them from? Do you pull them out of the pump basket? Or do you use an in-line leaf catcher?
 
Ugh, the worms. The worms are horrific. I don't know that I qualify in the thousands but between scooping them out with the net and the robot cleaning too, I was well over 1/2 full of worms in an orange Home Depot bucket. I feel for anyone who has to deal with that volume of them.
 

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dennislaughlin said:
Where do you clean them from? Do you pull them out of the pump basket? Or do you use an in-line leaf catcher?
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They always end up at the bottom. My robot gets them all. Just have to run it a few times. I run my pool under my pool cover all winter. Not many make it into my pump basket.
 
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