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💦 Clear water, zero compromises—your tank’s new green-clean machine!
The TARARIUM Aquarium Filter U-V is a submersible internal filter designed for 20-75 gallon tanks, delivering a powerful 200 GPH pump combined with a 5W 254nm UV light to eradicate algae and bacteria. Its dual-stage filtration system ensures crystal clear water in under a week while reducing maintenance and odors. Separate controls for pump and UV light provide customizable operation, making it ideal for both freshwater and saltwater environments, including turtle tanks.

























| Customer Reviews | 4.2 out of 5 stars 1,772 Reviews |
A**T
Product under promises and over delivers. Exceptional product that delivers on its promises.
I purchased the 200g version, didn't even use the filter cloth. Said it would clear the water in 72 hours. It did not... It cleared the water in a little less than 48 hours. Absolutely crystal clear! It is a high quality product that under promises and over delivers! It is a quality build and has a good solid feel to it. I could not wait to purchase a smaller one for my other tank. I most certainly will patronize this seller and will spread the word about their product. I stand very impressed!
C**N
This filter saved my tank - 100/10
I don’t usually write product reviews but I had to for this filter because I am so blown away by what it did for my tank. I was at a loss and trying all the chemicals, filters, and natural remedies that I could find to fix the algae overgrowth and smell in my tank. Frequent water changes, biomedia, a plecco, the works. I was about to give up and start a whole new tank but I decided to try this filter and it saved my tank in 48 hours. The water went from completely murky and green to crystal clear. The before and after pics that it shows are no joke. Here are mine. Literally taken 48 hours apart. I took my secondary sponge filter out & now only have this one. Recommend 100/10. It’s very strong though so I don’t recommend if you have fragile fish that need calm waters. I decided that mine will just need to learn to deal with the rapids because it works so well :) 45 gallon tank with 3 XL goldfish & a plecco but upgrading to a 60 gallon tank in about a month. Confident this filter will work there as well.
K**Y
Important Advice :)
Okay to be clear on this product, I am not paid for this review whatsoever. I see all the review discrepancies and this product is amazing but you have to have it perfectly in the right placement. This UV filter is a life saver for any tank, however, it’s quirky in the sense that it needs to be a specific level in your tank and with a specific amount of water levelization or it will stop working all together. You do have to play with the placement inside the tank (move it up and down a tinch) and play with your water levels (volume wise as adding more or less water to your tank) a little but it will come back to life 100 percent. Use an extension cord as well to allow more access to move it accordingly. When you do this— it works perfectly. The UV additions to my canister did not do the job this guy does.
J**H
Stop Working after 6 months (2 units)
While this filter did great at keeping my tank clean, so much so I ended up purchasing two in May 2025. They only worked for about six months and then completely died. I cleaned them as I was supposed to took very good care of them., as they did such a great job, then out of no where they stopped working all together. I understand these aren’t top of the line but I anticipated getting a little more use out of these than six months. One other thing is if you have small fish such as guppies this is not a good filter. The smaller fish do tend to get sucked into the filter. So wow it initially did a great job. I was very disappointed with the longevity of the project and the fact that it ended up killing several of my fish. I’m still sold that UV filters by the way to go, but I will have to try a different brand as I was not impressed with this one
K**K
It worked to de-green my tank, but you should also know...
This pump is a big larger than expected and barely fits into my small 10 gallon tank at an angle. It has to be completely submerged under the water or it will not work at all. Also the cord lengths are very short compared to my other cords (thermometer and led lamp) and there are two cords (the UV light and the pump itself). I was just expecting one plug. The flow is a little strong for my smaller fish and makes them swim backwards when resting but they don't seem to mind. And the sound is very quiet which is super nice. Overall, it really worked to get rid of my algae problem when nothing else did (including multiple water changes and algae water treatment drops). After 7 days my tank was no longer green but still a little cloudy. No change from day 7 onward (at about 3 weeks now). Overall I am happy it worked! Just wish the cord was longer and the size was a little smaller for my tank. Attached before and after photos.
L**N
Cleans the water!!
I’m really happy with this aquarium filter. It was easy to install and started working right away. The water in my tank cleared up noticeably within a day or two, and it runs fairly quietly compared to other filters I’ve used. I also like that it has the built-in UV feature to help keep the water clean. Overall it works great for my tank and seems like a good value for the price
B**G
Works Awesome
Works awesome! I had a 20 gallon tank with a horrible green algae bloom. Installed this U-V light and within a week the water turned crystal clear.
W**Z
Very powerful for its size.
Very powerful. Mounts easily good build quality. I did cut the foam filter and add in some ceramic media to support a good ecosystem. The uv algae killer is no joke. I put this in a dirty green tank just to see if It could clean it. It stopped the growth cold and cleared the water in less than 24 hours (it was very very murky) I now understand why the uv light is separately controlled from the filter as it would kill too much algae if left on. I like to leave a little for the snails to munch I have it in a little tank and it is a little loud but thats due to the depth.
L**L
EXTREMELY EFFECTIVE
THIS IS A REMARKABLE FILTER WITH A U-V LIGHT FOR AN AQUARIUM THAT IS HAVING TROUBLE WITH CLOUDY WATER. I WAS HAVING TROUBLE WITH BROWN ALGAE ( WHICH IS NOT A ALGAE AS SUCH ) AND WAS DESPERATE . I HAD TRIED EVERYTHING TO ALLEVIATE THIS PROBLEM SO I DECIDED TO TRY THIS FILTER AND THE RESULT HAS BEEN NOTHING SHORT OF MIRACULOUS. IT TOOK A COUPLE OF WEEKS AND I CLEANED THE FILTER ONCE, BUT NOW THE WATER IS SUPER CLEAR AND MY FISH ARE VERY HAPPY. I HAVE CAT FISH ONLY AND THEY CAN BE MESSY EATERS BUT THIS FILTER DOES A TREMENDOUS JOB. I DO A WATER CHANGE EVERY WEEKEND AND VACUUM THE GRAVEL AND I'M VERY HAPPY WITH THIS PRODUCT. I AM ALSO NOT OVER FEEDING MY FISH . I EVEN NOW HAVE ANOTHER BABY CATFISH WHO IS HAPPILY SWIMMING AROUND IN MY CLEAR TANK ! GREAT PRODUCT .
J**N
A great investment for any fish lover.
I’m impressed with how effective this aquarium filter is. Before using it, I had to change the water in my tank every two weeks to keep it clean. Now, thanks to this filter, I can go over a month without needing a water change. The water stays crystal clear and odor-free for much longer. One of the standout features is the built-in UV light, which helps kill harmful bacteria and keeps the tank environment much healthier for my fish. It’s quiet, powerful, and has made tank maintenance so much easier.
J**N
Cheap Cheap Cheap ... sketchy electrical
This isn't what you want for the price. Everything about it is cheap, cheap, cheap, and I doubt if it would pass CSA electrical compliance. The suction cup mount slides off way too easily, filter body below the motor falls off easily if not careful. The UV bulb has hairline cracks in it, and the wiring connections seem rather sketchy in my opinion. UV bulb is cheaply mounted in the unit. Unit has two power cords that are so short, they are useless and require extension cords if your outlet isnt right at the tank level. The cover on the powerhead always falls off ... it could have been so good and yet the cheaped out on everything
P**E
A little workhorse.
Very strong, so be careful where u place it in the tank. Other than that, it's great. Been using it for about 5 months. Easy to clean, comparatively speaking. Does a good job, and the UV does keep the bio residue down. I have a 40 gallon tank and I was finding that some were not oxygenating very good and I would end up with a gross tank. This works well.
M**E
Good investment.
Did exactly what I needed it to. The tank went into a bloom while we were away and the house sitter wasn’t knowledgeable enough to deal with it. We got home on a Monday, this was delivered Wednesday and by Saturday with 1 25% water change it was crystal clear again. Now it’s off and ready for the next battle
Trustpilot
1 day ago
1 month ago