NICREW Slim Aquarium Filter, Quiet Fish Tank HOB Filters for up to 5 Gallon Aquariums, Adjustable Flow, 42 GPH, 3W

Stopped working within 24hrs. Noticed my thermostat temperature creeping up, was set at 27 and ended up at 30 which means this pump over heated and affected the tank water temperature also! And I bought 2 for 2 tanks both exactly same and stopped working.

This product is one of the worst products I have bought. If you need my evaluation, I will give it a bad evaluation because it broke down in the first week and when I started using the product, it was very hot. I do not advise people to buy it and I advise them to buy any other product.

Great little filter. Effective and silent. Unfortunately stopped working after a week and I followed all instructions precisely.

Stopped working in the first 3 hours of use

Very disappointed. The product that I received came with a broken motor propeller. There’s a lot of visible deep scratches in the surface even though it was well packaged (Product box with bubble wrap within another box). It seems I was given an already used item.

This is actually my 3rd filter that I have ordered. I LOVE these little filters. I am use to Fluval filters, so the first time I ordered one of these, I was not expecting much. I needed it for a 3-gallon Guppy fry (babies) tank, so I didn't need anything fancy or expensive. I was pleasantly surprised. It was absolutely perfect! It cleaned the tank (bare bottom) well and did not fling my Guppies into the glass or try to give them a surfing lesson. The flow is adjustable from VERY low to full, so I can ramp it up as they get bigger/stronger. I also do not have to worry about them getting sucked up with the sponge intake cover on. The intake holes are relatively small, so if you are using this for a bigger fish or Betta, you do not have to use the intake sponge. I really like that it does not require priming. It is very quiet, so if you are keeping it in a bedroom, you do not have to worry about hearing the motor or splashing sounds. I then got 2 more 5-gallon tanks for more fry. They came with filters, but the output was way too strong. I ordered 2 more of these bad boys (or girls). The replacement cartridges are not expensive (6 for $9.99 or 12 for $14.99). It is a carbon filter, but it has a removable sponge on the back side to collect any larger pieces. You can replace the cartridge and reuse the sponge or use the new one that comes with it. I like to rinse it & reuse it a few times or use it to seed another tank. The filter itself is very easy to clean and it has a big enough area to add a little bit of your own media, if needed. I do wish that you could buy additional intake tubes. It comes with 2, but with fry, I like for it to go all the way down. That's no biggie though. If you are looking for a good (and cheap) filter for a smaller tank, this is the one. It will work great for fry, Bettas and other smaller fish. I promise, it will not disappoint. **These WILL fit on 5-gallon (and under) tanks with rims. My 3-gallon does not have a rim where the filter goes, but both of my 5-gallons do. It does not drop all the way down like the rimless tanks, but it drops down enough to hold it in place securely. All 3 of the tanks that I have mine on are Top Fin (Petsmart) tanks.

This is a nice little HOB (hang-on-back) filter that I’m currently using on a 6-gallon planted tank. It has a compact design, has adjustable flow, and, best of all, it’s very quiet. I barely notice it running. So far, I’m very happy with its performance and would definitely recommend it

This NICREW filter is pretty decent. It's small and doesn't take up much space in my tank, which I like (I have a betta named Bubbles, she loves it). The filter does its job well enough, keeping the water clean and clear. I haven't had any issues with the flow being too strong or anything, though sometimes I wish it was just a LITTLE stronger, you know? Anyway, it's easy to set up and use. (I accidentally put the sponge in backwards at first, but it still worked fine). It came with everything I needed, so no complaints there. Overall, this filter is great for small tanks like mine. The adjustable flow is a nice feature too, although I don't really mess with it much. And hey, if you need to clean the media, it's super easy and quick to do. You can't beat that! Definitely would recommend this one to anyone looking for a reliable and quiet filter for their small aquarium.

satisfait de ce petit filtre, semble tres bien fonctionné, parfait pour ma petite aquarium de 3 gallons, tres silencieux et sa puissance est surprenante, fait un bon débit d'eau dans l'aquarium. donc, tres bon rapport qualité-prix, Ecellent!

Nice little filter, worked well for a short while but ended up a disappointment. Didn’t even last 2 months and the pump seized and cannot return.