Natural Chemistry 05121 Swimming Pool Spa PHOSfree Phosphate Remover - 3 Liters

There are trees around our pool and this product really helps with the phosphates that can build up from natural resources. Works great, easy to use and well priced.

I have been using this product for several years and I am satisfied with the results. Phosphorus build up is a problem especially during the hot summer months in Las Vegas.

Phosfree is a great product that rids your pool of phosphates that are enabling algae to continue to grow and survive no matter how much chlorine you use. By following the directions for use, it will rid your pool of algae. I would recommend this product to anyone.

When your pool gets organic debris from Mother Nature then you need to knock back the phosphate levels to prevent rapid algae growth. Follow the instructions…clean the pool and filter first. Then run this through the system and then shock the pool. Lasts weeks in my case…YMMV.

Natural Chemistry phosphate treatments are excellent! Phosefree max for major pool infections and PHOSfree for weekly maintenance. I live in an area where farm fields are treated via airplane spray and we have to deal with chemical overspray that contributes to phosphates in the pool water. This product is the best for treatment

With a lot of pollen and dust in the air, phosphates are a constant problem. PHOSfree and a clean filter solve the problem everytime

Not sure what using phos free does but the pool is no longer slick and it seems it takes less chemicals to maintain your pool.

Been using using this product, phosphate remover, for a number of months with good success. Good price compared to local pool stores.

I have been using PhosFree for years and as a result I always have clear water in my pool. Doheny's always has the lowest prices and fast shipping.

Phos free works for me. I like to keep my Pools phosphorus level at zero and it does that. I am pleased with the price especially the free shipping over $49 an items shipped quickly