I learned about this product from a friend who owned a pool supply business. At first I was skeptical since algae is always a problem during pool season. I started using Pool Rx 4 years ago and could not be more pleased. The minerals dispersed in the pool (a 16 x 32 in ground) totally control any algae buildup. What is really impressive is the fact that you can use a significantly lower amounts of granular chlorine and still keep the pool algae free. One unit easily lasts the entire summer. After the pool is balanced, just drop the unit into a skimmer basket and forget about it. Just follow the instructions to not backwash to give the chemicals time to fully circulate throughout the pool and the filter. I highly recommend this product.
Verified purchase: Yes | Condition: New
For reasons unknown to me this is the 2nd one I had purchased & it didn't work as well as the last one. Algae still comes to visit, I'll wait until next year & try again to see if it will be as good as the first.
Verified purchase: Yes | Condition: New
I WILL LET YOU KNOW MORE AFTER A MONTH OR TWO BUT I CAN TELL YOU AFTER 2 WEEKS IT KEEPING THE YELLOW ALGAE AT BAY... THE UNIT IS EXPENSIVE AND YOU ARE NEVER QUITE SURE THIS IS NOTHING MORE THAN SNAKE OIL BUT ONLY TIME WILL TELL.
Verified purchase: Yes | Condition: New
This little unit is easy to use and only need one per year, also available cheaper refills. I have scrubbed, put liquid algaecide and clarifier for 7 years Into my hot summer my South Florida salt water pool always fighting and never could get ahead until I bought this unit. One and done! I wish I discovered this unit sooner, will never change again. Excellent algaecide, designed for hot Florida summer, highly recommended.
Verified purchase: Yes | Condition: New
I wish I would have found this sooner. It is terrific, this is my second one. Cuts down on chemicals and clears the water and protects against algea. Definitely recommended.
Verified purchase: Yes | Condition: New
If you want a pool that is not only cool, but also sparkles, this is your product. Just put it in a float and for 6 months your pool sparkles.
Verified purchase: Yes | Condition: New
Our pool guy recommended this product to us and said it's the only thing he's seen that works for algae. This is our second purchase and I'll tell you first hand that they definitely do work and work well. At last, a product that really helps to get rid of algae in our vinyl pool that sits all day in the Southern California sun. No more scrubbing all of the time with a pool brush or vacuum. It helps out a lot with the maintenance of a large pool. I'm very pleased with this product and would recommend it to any pool owner. Get the right size for your pool and put a fresh one in every six months or so. They are very much worth it in my opinion.
Verified purchase: Yes | Condition: New
This is second pool RX and it’s provided the service it promotes. Water is super clear, the best. Previous one lasted about 6 months. When it finally used up it became visually apparent it was time to replace. It does what it marketers say it will.
Verified purchase: Yes | Condition: New
Seems to be hit or miss get a good one or get a bad one . Could be the one I get from pool guy works better , It is a lot to pay for no results . Last couple have worked lame maybe they have changed the formula .
Verified purchase: Yes | Condition: New
It works,"BUT" not as advertised, only lasted for 5 weeks for me. I live in S. Florida, and hot summers, This is Copper Sulfate which is great for controlling algae. This product didn't last as advertised.. Way too expensive for monthly maintenance..Google Copper Sulfate, many formulas for DIY..much, much cheaper..
Verified purchase: No
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