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Top product
Rated with 5 out of 5 stars.
I had a really bad blue-green bacteria attack several years and I wish I had bought this product before.
I followed instructions, manually cleared out the bulk of slime, did cca. 70 % water change, and blocked out all light for 14 days by covering aquarium with blanket. By day 3 or 4 BG bacteria began to disappear, at day 8 100 % gone. Now I've been using the preventative dose once a week and almost a month and no return of the BG bacteria.
Brilliant product, no effect on fish, snails or plants, BG bacteria has not returned after treatment.
I would recommend using this product.
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