Aww Crud you gotta Be kidding My filters Doing Same My pressure gauge goes up to 50 starts at 28 ish Northstar pump 1.2 Hp and Hi rate 3.1 Sq filter top mount Sposed to take 300# sand My pool co says put only 150 I put 200 I run Zeolite Dwn at the coast But this unit is sand .Brand new sand...