This is the only Algaecide that I have used that removed my algae in the pool. I just used this to open my pool for the spring here is San Antonio Texas area. I have used other products that were not 7% copper and it just did not kill the algae but this Copper algaecide works great. I use an entire quart to open my 30K gallon pool each spring along with PH balancing and shocking twice, within just over a week, the pool is ready for use. During the season I add a couple of ounces into the pool about every 2 weeks and keep the PH balanced and Chlorine level high enough and avoid all algae issues.
Verified purchase: Yes | Condition: New
Great product. Put half a bottle in my pool and the yellow algae that I could not scrub off was gone overnight. During the hot Dallas summer, following the use of this product, my chlorine tabs had not been refilled for about 4 or 5 days. So, even without chlorine for 4 or 5 days, the pool was clear! This product is banned in California. There may be some health issues due to continued use. You need to look into that.
Verified purchase: Yes | Condition: New
Use as directed on bottle for clear algae free pool. Maintain algae free pool by maintaining proper bi monthly dosage. I thought it may add too much metal to the water but nobodies hair has turned green yet. Has no residue odor.
Verified purchase: Yes | Condition: New
It take so much to kill the alge. Bottle one day another bottle a few days later then it worked
Verified purchase: Yes | Condition: New
I've used this in the past. I haven't developed much algae in my pool, so I guess it's working
Verified purchase: Yes | Condition: New
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