Splashing getting water behind liner?

offtheclock

Silver Supporter
Dec 30, 2020
122
Greenville, SC
Pool Size
13500
Surface
Vinyl
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-40
Had a lot of people over to help break in the pool yesterday. People started to do alot of cannon balls which was causing water in the deep end to wave over the top of the pool and onto the deck. I noticed later that night after everyone left and I was wiping off some debri on the pool wall that there was some water behind the liner. I was able to use my arm as a squeegee to push the water out but there is still a little.
It was not a lot of water and only felt like it went down 2 ft. Is this normal or should I investigate more? This area was also close to where a skimmer is but definitely where the waves were splashing over. These guys could do some big cannon balls. Kids were impressed. Also is this bad? Thank you!
 

ajw22

Gold Supporter
TFP Guide
Jul 21, 2013
29,910
Northern NJ
Pool Size
35000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-60
It is better if you don't get water behind the liner. Over time you can have erosion. I would investigate how the water is getting back there and try and fix it.
 

offtheclock

Silver Supporter
Dec 30, 2020
122
Greenville, SC
Pool Size
13500
Surface
Vinyl
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-40
Really think it was from all the horse play and seeping behind. Got in today and it was all gone. Hoping it was just from all the waves.
Please chime in if someone thinks I need to check something else.
Is this ok to happen or should I keep people from making waves?
 
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