Chipmunks have burrowed under above ground pool causing liner to indent over their burrow. How do I stop further erosion under liner?
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Be sure to install the compacted gravel with compacted sand base recommended when you end up having to drain to repair for this. – Tyson Jun 16 '18 at 16:51
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Ah, so now I know why the gravel base is recommended. – Harper Jun 16 '18 at 19:25
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Get rid of the chipmunks. The liner stretches to drop into depression. If it stretches too much ,it will have a small leak. This mobilizes the soil to sink further; not leading to a happy ending ( been there, done that). I think the only practical repair is a new liner and fill any low spots before installing it.
