Sounds like you have a suction side leak *leak before the pump that is allowing your pump to draw in air). Search the forum with those terms and you'll find some good posts on how to find it.
My inground vinyl pool has tiny bubbles....gazillions of them which come out of the returns and stay attached to the sides of the pool. It makes the pool look cloudy , even though the water is generally clear.
Sounds like you have a suction side leak *leak before the pump that is allowing your pump to draw in air). Search the forum with those terms and you'll find some good posts on how to find it.
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