Yes or no? I've seen comments how it will cause problems with vinyl, but what about Fiberglass? I have about 1/4"-1/2" ice as best as I can tell.
Breaking ice in a fiberglass pool
- Thread starter Neemer
- Start date
- Jun 22, 2014
- 47,797
- Pool Size
- 17888
- Surface
- Fiberglass
- Chlorine
- Salt Water Generator
- SWG Type
- CircuPool RJ-45 Plus
Ed, I would be reluctant to break the ice, only because you don't want any sharp pieces to gouge or scratch the gelcoat. That would be my main concern.
I also recommend you leave the ice alone.
Why are you compelled to break up the ice?
Why are you compelled to break up the ice?
- Jun 22, 2014
- 47,797
- Pool Size
- 17888
- Surface
- Fiberglass
- Chlorine
- Salt Water Generator
- SWG Type
- CircuPool RJ-45 Plus
Not sure about Ed, but fore me the temptation would be ..... simply because it's there. Like all the things I was not supposed to do when I was a kid and I did them anyways.
I’d like to pump some water out of it before heading out of town for an extended period.
- Jun 22, 2014
- 47,797
- Pool Size
- 17888
- Surface
- Fiberglass
- Chlorine
- Salt Water Generator
- SWG Type
- CircuPool RJ-45 Plus
I suspect the main concern would be that if you lower the water level enough, there would be no support for the ice shelf, so if it broke-free awkwardly or at once and collapsed, it might scratch the gelcoat. Might only drop a few inches, and this whole thing might seem like a stretch, but that's the only concern I can think of. If lowering the water is the better choice as opposed to letting the pool overfill, it may be worth it. Maybe punch a few spots around the pool perimeter about a foot or so away from the edge to help relieve that pressure? I'm a bit outside my comfort zone, but that's what I might consider if I was in your place. Maybe someone else will have a physics scenario of their own. 
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