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I have a relatively new Hayward sand filter. It has worked fine for the last six months. Recently I have noticed that the pressure gauge does not return to zero when turned off (reads around 17 psi when turned off), and the running psi is now higher than normal (around 33 psi). Wondering if you...

We are renting a house that has a 36,000 gallon vinyl liner pool. The liner was replaced by a professional pool company and shortly after the liner started to float pretty bad after hard rains (I’m assuming due to groundwater). I’m wondering if the pool company has any liability with this...

Hello! I have a 36,000 gallon vinyl liner pool. The liner will be replaced shorty and I’m wondering what are the recommended steps in which to start modifying the water chemistry? I plan I’m using liquid chlorine. I have read the ABC’s of pools and the Pool School book (very helpful and thank...

Hello! I recently moved into a place with 36,000 gallon vinyl liner pool. i have backwashed the sand filter, but I still wish the vacuum would be stronger. It has one 86 gallon/min 1 horsepower pump. There is only one suction side pipe (with 1 skimmer and 1 vacuum port both connecting to the...