Old, old pool owner, new to TFP.

karlritz

New member
Jun 18, 2022
1
new hampshire
Inground, 20 x 40 vinyl pool, 20,000 gal. Hayward Super Pump, 1.0 HP, sand filter. System is 40+ years old! Filter pressure has been decreasing for some time to around 11PSI. I have (duh) routinely used tablets in skimmer in the past. Wonder if impeller could have been degraded what with age of system and my bad practices..........
 
Welcome to TFP.

Start by getting a good test kit, if you don't have one, the Taylor K-2006C or TFT Test Kits

Then do a Overnight Chlorine Loss Test and see if you have an algae problem reducing your flow. If you fial then follow the SLAM Process