Customer Reviews

Rating: 4.0 of 5 stars 50 Reviews 50 Reviews 4.1 out of 5 Stars

78% Recommend

78% of reviewersrecommend this product

Rating: 4.0 of 5 stars 4.1 / 5

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AA Aquarium Green Killing Machine Clip-On UV System, 3-watt

AA Aquarium Green Killing Machine Clip-On UV System, 3-watt

  • Most Helpful Positive Review

    Read All 36 Positive Reviews

    Works Great!

    By Attc on Jan 4, 2022

    I was a bit skeptical if this device would clear up my 10 gallon tank that had a sudden surge in algea bloom. After 3-4 days of constant running I supplemented with a dose of cloudy water clearer (which had done nothing before I bought this item). The water cleared almost immediately and is crystal clear I was a bit skeptical if this device would clear up my 10 gallon tank that had a sudden surge in algea bloom. After 3-4 days of constant running I supplemented with a dose of cloudy water clearer (which had done nothing before I bought this item). The water cleared almost immediately and is crystal clear now. I now run this item periodically to maintain algea levels. … more

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  • Most Helpful Critical Review

    Read All 14 Critical Reviews

    Frustrated

    By nogo on Jan 7, 2022

    I bought this for my 10-gallon aquarium that was green with algae. It was a very simple setup, but i saw no indication of light coming from unit at all. I thought it might be very well encased and perhaps that's why I didn't see any light. However, after 3 days, there was absolutely NO difference I bought this for my 10-gallon aquarium that was green with algae. It was a very simple setup, but i saw no indication of light coming from unit at all. I thought it might be very well encased and perhaps that's why I didn't see any light. However, after 3 days, there was absolutely NO difference in my aquarium's water. I don't believe the light came on at all. This is in no way Chewy's fault, it's just a faulty unit and I happened to get it. I went on Chewy's live chat and the customer service rep took care of the problem in less than 5 minutes, returning my money. This is the first time I've ever had any problem with anything I've gotten from Chewy. … more

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