Aquarium U-V Filter for 10-40 gal, 132 GPH Swirl Turbo Design Submersible Internal Turtle Fish Tank Filter w/Timer, Quiet Power Pump Air Supply Green Clean Machine Saltwater Freshwater Green Killing

This filter blew all our expectations completely out of the water! No pun intended! It worked extremely quickly and within only a few days our water went crystal clear. Well worth the money, can't recommend this product enough. If you have an algae issue this is the filter to get!

I recently set up a 20 gallon aquarium in my greenhouse. I use native plants from the canal. Unfortunately some of the plants I collected brought in algae. It went wild! I prefer to not filter the water and only use a bubbler normally. I bought this for the UV killing properties. I removed the foam filter and set the variable timer on the light for six hours. I’M IMPRESSED! It has taken almost two weeks but the water is reasonably clear. You can actually see through all the way thru the aquarium. The water will never be clear, that’s not the nature of the aquarium, but the algae has cleared and continues to do so. Which I s what I wanted. After all, it’s a PLANT AQUARIUM, the mosquito fish are just there to control the mosquitos. A good product. I’m pleased.

My tank was really green about a week ago, installed this and worked really well. Looks clear now would recommend if you struggle with green algae. Very surprising as I tried everything.

I bought this unit to see if it can clear my 40gl breeder tank that I have 4 African claw frogs in, they really get the water cloudy because they are eating machines, so I set this up the next day I took a double take ,I didn't believe how much better the water looked and this was only over night I set the UV for 6 hours, the next day the water was so clear I can see were all the frogs are in the tank, it was amazing how fast it cleared the water , I took out the sponge for the first week ,,,,, I'm going to buy another one for my other 40 gl tank

Bought this to clean my water to avoid algea. Within 12 hours, one fish died. I took it completely out of the tank, two more within 12 hours and 2 more shortly after. The ONLY thing that changed was that I put this contraption in my tank. It was a stable flourishing tank before this and now I'm dreading the next 24 hours waiting for the rest of them to die. Yes, I tested my water and everything was in the normal range including my temperature. Regretting this purchase! Update: All 12 fish died including and very hardy 4 year old pleco. Devastating!