How do you know when it needs to be replaced? We’ve only had ours in for 3 months and we’ve got an alge issue again. Is that the ‘sign’ to replace it?

Carolyn- Assuming your pool water is in balance to the following parameters: Chlorine 0.5 - 1.0 (ppm) pH 7.2 - 7.8 Alk 80 - 120 TDS 0 - 5000 Calcium Hardness 200 - 500 Cyanuric 10 - 80 If you are using the correct size unit for your pool (30K gallons or less) and are running your pump at least 6-8 hours per day then algae growth in the pool would indicate there is not enough of the PoolRx minerals reaming in your pool. If your pool is 20K gallons or less you will need to add 1 PoolRx Booster #102001 at this point. If your pool is between 20-40K gallons, you will need to add 2 PoolRx Boosters at this point. PoolRx is not a “Time Released” product. All the minerals will dissolve out of the unit within a few hours of install. A PoolRx unit is made of 2 parts: 1. Alloy treated cylinder in the middle of your blue or black unit is used to re-ionize the PoolRX minerals every time the two make contact. The cylinder portion of the system has a useful life of 12 MONTHS IN THE WATER. After 12 month in the chlorinated water, the alloy coating on the cylinder will be degraded to the point that it will no longer effectively re-charge the minerals. 2. PoolRx minerals these minerals come packed inside the cylinder of a Blue or Black unit or can be purchased separately as a Booster. Whether purchased as a part of a PoolRX unit or as Booster the minerals are the exact same formula and will do the exact same thing. These minerals completely dissolve into solution within a few hours of being placed in your skimmer or pump basket and form a residual throughout the pool water for up to 6 months. Over the 6 month period you will lose these minerals via algae kill and splash out. In order to keep the PoolRx minerals active for up to 6 months, you must also have the PoolRx cylinder in the water. Without making contact with the cylinder, the minerals will lose their effectiveness within 2-4 weeks of install. To treat your pool for 12 month period: 1. Install PoolRX Blue or Black unit (based on Pool Size) 2. Approx 6 months later add the Booster (keeping the Blue or Black unit in your Pool) 3. Approx 6 months after Booster install remove the PoolRx Blue or Black unit and replace with a new one beginning the 12 month cycle all over again. How are Minerals lost? PoolRx minerals are lost through algae kill, splash out back washing and filter cleaning. The more these factors happen, the more extreme the conditions, the shorter the lifespan of the minerals. How do I know when to add more minerals? PoolRx uses proprietary chelating agents that protect the minerals from falling out of solution. Because of this, the PoolRx minerals cannot be tested for in the water by your typical reagent test equipment. You will know you need more minerals based on these factors: 1. Time: It’s been 4-6 months since you first installed PoolRx. 2. Your chlorine demand goes back up to where it was prior to installing PoolRx. 3. Your water is cloudy or you start to see algae. Note: Because a small amount of minerals are still working in the water you will notice a gradual change over about a two week period. This gives you plenty of time to add a booster or new PoolRx unit.

I placed a pool rx mineral unit in my pool two weeks ago. prior to adding it i had 0 copper now my reading shows .4. any one else have this issue?

I really don't think you should worry about that reading. It has minerals in it so it is bound to show something. I put this in on June 17th in my 27,000 gallon pool and have not added one bag of shock or any algeacides even one time this entire Summer. It has been a miracle. It is so hot here in Texas and I am usually scrubbing my pool and adding chemicals all Summer. I have done absolutely nothing to my pool at all other than adding chlorine to the automatic chlorinator. I do know that you are supposed to removed the cartridge if you are adding extra chemicals to the pool

Can you use this with a copper ionizer?

I would not- We have a 27,000 gallon pool and one of the main activate ingredients is 47% + or - a few is copper. You'll create more problems down the road with high copper levels. We put one in near the pump in April and it last until late Aug for us. We buy another one to replace that one just to be on the safe side. It really depends on the usage and what area you live in. We are in FL and its gets high usage. We have the chlorine dialed down to the lowest setting and we add 1 pound of granulated chlorine every week to week and a half depending on how heavy the rain is. Otherwise this is one of the best items we found for the pool that reduces the chemicals used and its worked well for us as some of the people using it has sensitive skin. No issues with skin problems for us with this PoolRX. Also they make a refill for this its almost the same as the new model so we end up buying the new one. A helpful hint for disposal. Once the life is out of the unit and you removed it, put it on solid ground and step on it. The plastic will separate and the metal inside will be loose. You can take all three parts and toss it into you recycling can.

How long does rx work? seems there is a booster to get more useful life from the pool rx. btw, we love this product, it really keeps the pool

RB, there are two parts to the PoolRx system. 1. The PoolRx minerals (which come packed inside a new unit or sold separately as the PoolRx booster)2. The alloy treated cylinder which is inside the blue or black PoolRx basket. The minerals will last for 4-6 months based on your swim conditions and algae kill. The alloy cylinder will remain effective for 12 months in the water. By "in the water" we mean if you were to remove the unit after 6 months, no matter when you decide to replace it in the pool it will work for another 6 months as long as you add enough booster when you put the unit back in your pool. If you are using the black unit in your pool. After the 1st 6 months, you can get another 6 months of coverage by adding 2 PoolRx booster (part#102001)Regards-

Product Dimensions	8.26 x 8.26 x 10.8 cm; 453.59 g
Part number	101066
Item display height	6 inches
Item display width	6 inches
Item display weight	1 Pounds
Material type	Acrylic
Manufacturer	PoolRx
Item model number	101066
ASIN	B003UMOWWW

Pool RX101066 6 Month Algaecide Treats 20k-30k gallons, Black

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