I just recently changes all 4 catridges from our QUAD DE 100 pool filter but the initial pressure continues to be 30psi .
I am not really sure what is the issue. Any ideas?
Good afternoon Nancy. There really could be a number of factors that can cause high pressure in your pool system Please click here to view our How to Reduce High Pressure in Your Pool System how-to guide that is a good starting point that may assist in resolving that issue.