Review on 🌿 API ALGAEFIX Algae Control: 4-Ounce Bottle for Effective Algae Elimination by Linda Wood

I used this product as intended in a 50 gallon aquarium. I did the first treatment and then 3 days later I gave the second dose as directed on the packet. The day after the second treatment all the fish in my tank were dead except my measles. I have now done a 50% water change and the measles seems fine. Very upset with the rest of my little boys. I have had these fish for several years and am very sad that I let them die while trying to use what I believe to be a proven product.