Look for wet spots..if its full of water and you fear its in the floor..take a small bottle with red food coloring in it and work your way along the seals in the floor..squeeze out a bit of coloring and see if it flows to the leak suspected area..we do this on in-ground pools around the plastic fixtures and along cracks in the walls to determine water loss rates..and to check for flow in the system..
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Look for wet spots..if its full of water and you fear its in the floor..take a small bottle with red food coloring in it and work your way along the seals in the floor..squeeze out a bit of coloring and see if it flows to the leak suspected area..we do this on in-ground pools around the plastic fixtures and along cracks in the walls to determine water loss rates..and to check for flow in the system..