PoolRX+ spa Unit 400-1,000 gallons

Works as promised. Places in pool and next day clear water. Stayed clear for the promised time. Would purchase again.

Ive had my pool for years and the list thing kept it clear the entire summer. I will absolutely use this every year. I couldn’t believe how clear my water stayed.

I have a swim spa that sits in the sun in Florida. For the past few years I had problem with algae appearing every week. When I would apply a liquid algaecide it would create a foamy mess with lots of dead algae that needed to be removed and the perimeter where the water met the spa sides needed to be wiped down. I stumbled up the PoolRX product and thought I would give it a try. Before using PoolRX I thoroughly cleaned all algae using a product that circulates through all the plumbing for a day or two and then drained the spa (sorry, cannot remember the name of that product). I placed the PoolRX canister (it is small) in the filter pleats and it has been keeping my spa very clean and algae free for over 1 month. YES! Blue water, no algea! Chemical maintenance is also easier. Give the PoolRX a try, I imagine the larger sized version work just as well for a full sized pool.

Item arrived on time and in condition described. The pool guy thinks this is an excellent product.

My water-fall pond (without fish or plants) is 450 gallons.The instructions state to place the metal diffuser in a high-flow area like a skimmer or pump basket. Since I have no skimmer, I placed it at the bottom of my pump vault where water is sucked in for distribution.After a day the water seemed slightly cloudy so I checked on the device. I reached down into the cloudy vault, felt around and found the object, lifting it to the surface. In the process, a lot of concentrated blue water dumped out. The object apparently wasn't receiving enough water flow to distribute the metals.I moved the diffuser (which, by website, rejuvenates the electrical charge on the metals when the ions pass through the caged unit) to a visible area where I could see current.The device appears to be working well over the 2 weeks it's been in use. I have lightly, green-tinged foam (edges) that collects at the end of the last stream bed, where the water drops down to a rock-covered underground reservoir. No visible algae growth is apparent anywhere. However, I had a yellow-mustard algae outbreak last year and despite repeated treatments, is still present in the typical sand/dirt appearance. This algae hasn't "grown out" into a vegetative state but I had hoped that the algicide would have killed and eliminated the sandy-appearing algae spores. I'm speculating that this algicide is mostly a preventative agent (against mass reproduction that leads to vegetative growth).Note- value and longevity rating is based on company spec. It may provide a one-time, "drop into the water" convenience but most water features require some form of attendance weekly (or bi-weekly) so an algicide that is applied at the same time and works just as efficiently would prove to be a better value for the money.The website has a FAQ section but some of the answers are incomplete sentences, as if the answer exceeded the available space and therefore wasn't displayed. The website also lacked a more complete description of how the product works. That may not be a huge deal for most people UNLESS they are planning to put any form of life into their water feature. Since most companies selling a product are only interested in telling you what THEY want you to know, to buy the product, the information is biased to one side-the seller. I suggest every consumer do their due diligence in researching the company, product and mechanism to get a more complete picture before buying.

Very small and not worth it. It’s just a tiny piece of copper inside the mesh plastic container. I use it for a few weeks and then checked it, and the copper was gone. I don’t know if it somehow it eroded and disappeared because there’s no apparent way it could’ve gotten out of the case I couldn’t even open the plastic piece. It’s just empty now very weird.

Too small for the price

Using in a small above ground 10x10x4 air up pool and havent seen any sort of alagey buildup or anything yet. Does leave a weird film on the water if the water doesnt get disturbed and it smells strange but its still clear and doesnt seem to be affecting me so i approve. Much cheaper than using chlorine and less damage to the pool