Recent content by guidry12

Thank you soooo much for the help!! I really appreciate you'll help. It's nice after 2 years to have finally gotten an answer to our problem.

We have a Pentair DE filter (FNSP60) with a Pentair multiport valve (SM-20-3). The pool was installed one year prior by the previous home owner. DE is inside the grids. We replaced the entire grid unit thinking the DE was getting inside because the grids were busted but the grids filled with...