Recent content by SnarkyArky

We have an 18 foot x 45 foot oval above ground pool that is 4.5 ft deep. (approximately 21,500 gal) Vinyl liner, one in-wall skimmer with an 18 in (I think) sand filter and a 1.5 HP pump. This will be the 7th summer we've had the pool. The filter is original, but we've replaced the pump twice...