Crack in the bottom of the pool after freezing temp


Active member
Jul 27, 2020
Austin, TX
I am in central Texas and just experienced historical low temp in the past several days.
The pool equipment looks fine although we are cut off power every several hours.
Today I found that there is a crack in the bottom of the pool. I am pretty sure there is no crack before the storm.
Will the water leak into the ground through the crack? How can I Fix this?
I am keeping an eye on the water level in the coming days.


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Gold Supporter
TFP Guide
Jul 21, 2013
Northern NJ
Pool Size
Salt Water Generator
SWG Type
Pentair Intellichlor IC-60
The crack looks like it is on the surface of the plaster. I doubt it goes through the plaster and gunite.

Do you have an autofill on your pool? You may want to turn it off for a while so you can keep an eye on how much water is being added.

If it seems like you are adding excessive amounts of water then do the bucket test as described in...



TFP Expert
Mar 2, 2011
I am pretty sure there is no crack before the storm.
It was probably there before.

It's probably structural.

You can get some dye or food coloring and squirt it into the crack to see if the dye gets sucked in.

How old is the pool and has it ever been replastered?
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Active member
Jul 27, 2020
Austin, TX
Thanks ajw22 and JamesW.
We moved in this house last summer, and the previous owner said it was built with the house (2001). He did not mentioned the plaster been replaced (he just live in the house for the last 3 yrs).
Will check the water level.

Thanks again.
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