We have a vinyl pool, and the liner has a small hole (size about the diameter of a pencil) at about a similar height as the top of the skimmer opening (~5.5 inches from the deck). It is almost never under water. Do I need to patch it or can I leave it be?
I don't know about the materials behind the liner. It is brown/black color and feels like either a pitted concrete or a corroded metal (not just this spot but if I try to feel the liner at most places, it doesn't feel smooth). I wonder if the opening on top of the skimmer frame allows enough water to escape to damage the support behind the liners. Every Spring, we have a lot of rain water which will bring the pool water level much higher than we left it the previous winter.
I don't know about the materials behind the liner. It is brown/black color and feels like either a pitted concrete or a corroded metal (not just this spot but if I try to feel the liner at most places, it doesn't feel smooth). I wonder if the opening on top of the skimmer frame allows enough water to escape to damage the support behind the liners. Every Spring, we have a lot of rain water which will bring the pool water level much higher than we left it the previous winter.
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