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UV Clarifiers & Sterilizers Reviews

Overall Rating:5 out of 5 stars.
"great product. water is clean. fish are more active.."... (read full reviews)
Overall Rating:4.5 out of 5 stars.
"I have used green killing machine products for a few years now and they are the best at keeping the water clear and free of all the things that are harmful to the fish I highly recommend this product"... (read full reviews)