It is was incorrect on mine too. When I was still pool stored and they did my testing I was always under adding.
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When it is filled to where you plan on keeping the water level, uses a tape measure to measur the water level from inside the pool and you will then understand. Punch those numbers into pool math and I bet you get about 3300 gallons
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When it is filled to where you plan on keeping the water level, uses a tape measure to measur the water level from inside the pool and you will then understand. Punch those numbers into pool math and I bet you get about 3300 gallons