
I have a 55 gallon freshwater tank with ten discus and other bottom feeders/thorns with a total of 25 fish I used to have algae growth all over my tank within a week of changing the water and I have for a very long time no direct sunlight or bright LED lighting. Based on other reviews I only used four tablets to treat my aquarium after three days of 70% water changes. I started noticing changes within three days ie the algae started to disappear and the water stayed clear for 28 days. The second time I cleaned the water 80% and three days later added four more tablets to my pool. So far FISH has shown no problems. any signs of stress. I've had ALGAE nightmares for over two years. Now I have a good solution with this product and will not experiment with any other product as DISCUS fish are very sensitive to handling!

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