Help keep the water in your aquarium dazzling and clear with the AA Aquarium Green Killing Machine Internal UV System. This system helps remove murkiness from your aquarium water so that your finned friends can enjoy swimming the day away in cloudless water. It comes with a powerhead to help fight off green water and other contaminants in freshwater aquariums. Plus, this system is designed to be easy to install—no tools necessary!
Promotes dazzling, clear water in your finned friends’ abode.
Designed to be easy to install—no tools necessary!
Helps remove murkiness from aquarium water.
Supports an algae-free home for your fish.
Comes with a powerhead.
Unplug the cord before moving or servicing this appliance.
I have a 30gal. tank. I have struggled with green water for a few years since moving my tank near a sunny window. After the first bloom, I have never been able to beat it back, even with regular periods of blacking out the tank with newspaper for a few days.
This UV system worked for me! It took about one week for me to see results, and another two for the water to turn crystal clear. I suggest hanging on for a month until you make your final judgement.
I have clear, balanced water now and a healthy bacteria colony thanks to this thing. I NEVER write reviews, but felt compelled to this time.
on Sep 13, 2021
Was having such a hard time keeping my tank clear. Everyone in my family tried their own ‘technique’ of what & how they felt the tank should be cleaned, only for it to turn green again a few days later. Guess I wasn’t doing something wrong after all ;/
Found this product online and read reviews. I admit, I was a bit skeptical but decided to give it a try. Something - anything at this point.
Upon easy installation and cleaning out my tank to give it a good start, my fish tank is clear AND has stayed clear.
Impressive to say the least!
Months of dealing with some type of algae bloom & advice upon advice that DIDN’T work, this was they key right here.
on Sep 18, 2021
I bought this because I had a problem with my 36 gallon aquarium looking like a lake. I would change my water once a week and my filters but still my water wasn't clear at all. I couldn't even see my fish unless they came up to the glass. I had changed my water again and once again my water got back cloudy with a brownish green color. Then the product arrived in the mail and I put it in my aquarium. Everyday my water was improving and after a week it's actually clear! I'm so happy and recommend this to anyone having problems with their water. :)
Clears the algae!
on Sep 19, 2021
I had just cleaned my fish tank and switched the cartridge in the filter, but after a few days noticed I had an aquarium algae problem. After looking at solutions, I found that a UV sterilizer seemed to be the best option. Setting up this UV sterilizer was super easy and completely cleared the algae in about a week, maybe a week and a half for total clarity in my tank. I use this AND a cartridge filter and it seems to be working very well.
Exactly what I needed
on Aug 13, 2021
I had green water show up in my tank out of the blue this is never happened! I search for something that would work and this was the best product. It absolutely cleared up my tank within approximately five days and I couldn’t be more delighted! I ordered it one morning and the next day it was on my doorstep, that was amazing and I am so satisfied!
on Sep 20, 2021
- Amazing product.
- Worked in 4 days!
- Crystal clear water now. Safe for my nerite snail!
- Super quiet and installation was a breeze (I bought the 3 watt version).
- I turned the device off at day 5 to preserve the bulb life. Two weeks later my water is still crystal clear and my beta, nerite and plants are thriving!
- highly recommend for algae blooms!
This one is not doing the trick.
on Sep 11, 2021
We have had a Green Killing Machine in previous aquariums and it would wonders but not this time. Came back from vacation and the aquarium was covered with "green stuff". Will have to research what this is and go another route :(
I did like this product previously, it worked great. That's why I purchased again.
It Really is a green killing machine!
on Sep 6, 2021
This System is fantastic! I have never seen my aquarium so clear. I was struggling with green water for a while. I tried everything, and nothing worked until I found this filter. In 5 days, the water was looking much better but, 2 weeks later, it is completely transparent. My 40 gal aquarium never looked so good!
worth every penny
on Aug 13, 2021
I've had my aquarium for 3 + years and have never had a problem with "green water" until now. I am not sure what happened but have a suspicion of what caused it.
I bought the green killing machine and installed it in my 50 gallon aquarium. The first day the water looked worse, but as each day went by it became clearer and clearer. After six days I couldn't believe how my water looked. it was completely cleared up. I would not hesitate to recommend this product.
on Sep 14, 2021
I had been having issues with algae and cloudy water I tried everything so I took a chance with this! I put it in my tank it I didn't see a big change for like 3 days by the 3rd day tho crystal clear water!!! No algae this is amazing you won't regret this purchase!!