AQUASTRONG Pool Filter Balls for Sand Filters, 4.59 lbs Reusable Pool Sand Filter Balls (Replaces 150 lbs of Sand), Efficient Water Filtration Pool Filter Balls for Swimming Pools, Filter Pumps

These balls? These are amazing balls. I never had balls before and did not know exactly how much I was missing. These balls keep my pool clean and sparkling. They come in such a nice quantity which is reassuring. If my balls deteriorate I can pop some new balls in no problem and keep my ball quota on par. If you are still using cartridge filters get some balls instead.

Particle problems? Fr: Aquastrong: Why are there particles in your pool? There are a few possible causes: Initial filter ball residue: New filter balls can contain fine fibers or dust. If the filter was not backwashed and rinsed before first use, some of these particles may have entered your pool. Insufficient backwash: While the manual mentions a long maintenance cycle (up to 90 days), backwashing earlier is often necessary, especially when the pressure gauge shows elevated readings. High pressure: Your pressure gauge being near red suggests the filter media is clogged, which can reduce effectiveness and push particles back into the pool. Also I washed them twice and once on hot; both times with Tide. Low heat. However from Aquastrong: Clean the filter balls (if needed): Remove them and place them in a laundry bag or pillowcase. Use a gentle wash cycle in cold water (do not use detergent or hot water). Air dry only — do not use a dryer, as heat may damage them. So basically I suggest a cold water wash and air dry setting on the dryer BEFORE you use these filter balls.

These are amazing. We just replaced our very old sand filter and decided to try these instead of sand. Had never heard of them before but are very pleased so far. Much easier to deal with than sand. The pool is always crystal clear! We gave only had them a few months so we will see how well they last. You’re supposed to be able to wash them and reuse them. We will see!

We have very hard rusty water and we thought these would work in our brand new pool filter. Used them for about 1.5 months and the water was not clearing up. We did some research to find out other people had the same issue. We threw them out and went back to sand and our pool was clear in about 2-3 weeks. We really wanted to like them but they weren't for us.

My filter clogged up within the first 2-3 weeks of putting these in. If you have a super small pool with a small filter system, they might work better. They did not work well in my large filter. I went back to the sand!!!

My pool cover blew off multiple times and my pool was filthy. I put these in and two days later my pool is crystal clear

Easy to use just wish it had messurement on package

Do not use these! Our pool never cleared up after putting these in. Changed back to sand and it’s crystal clear again. Complete waste of time and money :(