Rx Clear 7% Copper Algaecide | Kills and Prevents Algae for In-Ground and Above Ground Swimming Pools | Safe Formula for Swimmers | One Quart Bottles | 2 Pack

Pool owner for almost 30 years. In a chlorine pool, this is a great product. Black or green algae. This product does it all.

I use a solar cover on my pool because I like to have very warm pool water . The drawback is that this creates an environment for algae . This product really knocks out what is there and prevents more from forming . Highly recommend !!

We had a lot of algae that we just could not get rid of. Tried several options. After about a week using this, algae was gone. We then began to use as preventative maintained and have been able to keep the algae away.

Product was fine they shipped UPS super slow over a week later than originally promised!

Great product. Would definitely recommend. We had some algae growing on the sides of our pool. I'd brush it off, but within a few days it would come back. A pool guy said we had "mustard algae" and we needed a copper algecide to get rid of it. This was about half the cost of a similar item that I could have purchased at our local pool supply store.Bottom line - this stuff worked great. In just a few weeks, it completely eliminated the algae problems and the sides of our pool are nice and clean now. I will continue to follow the recommended maintenance dosage and expect our pool to stay beautiful for a long time.

My pool guy recommended this brand over what I was using and I immediately noticed a difference. This is the only stuff I will be using going forward

Applied on schedule, it works as advertised. A formulation to dose less often would be helpful.

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