Pentair FNS Plus 60sq ft filter

Judcivdiv

New member
May 28, 2024
2
Justin TX
What replacement grids have yall had the best luck with in the Pentair FNS Plus 60 sq ft DE filter? This is our first pool and already replaced a cracked manifold. Noticed a few of the grids had some broken spots in the inner plastic. Filter material is intact for now, but I would like to replace all at the same time and Amazon doesn't carry the Pentair brand of grids. I would like to use Amazon for the return policy if possible. I appreciate the feedback.
 
I want to stay away from Leslie's if at all possible. Had a bad Algae problem at first. Tried to sell me $700 worth of chems. One new manifold, 5 gallons of bleach and 5 days later the pool is spotless with perfect cheese. Obviously had to use liquid chlorine and a few bags of granulated shock the last couple of days have it gorgeous. Which is how I found this forum. Buddy told me to read some of the posts and start watching YouTube. Found the crack. Got the filter fixed and super stoked I didn't spend all that money.
 
What replacement grids have yall had the best luck with in the Pentair FNS Plus 60 sq ft DE filter? This is our first pool and already replaced a cracked manifold. Noticed a few of the grids had some broken spots in the inner plastic. Filter material is intact for now, but I would like to replace all at the same time and Amazon doesn't carry the Pentair brand of grids. I would like to use Amazon for the return policy if possible. I appreciate the feedback.
Unicel, Pleatco (which is now owned by Pentair), Filbur. All good brands of grids.
 
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