🧼 Efficient 5W UV Sterilizer Filter for 10-30 gallon/132 GPH: GRECH CBG-500 Hang-On Back Solution Review

When I saw this filter on Amazon I was impressed with the good UV light idea for my 20 gallon rig but after using the filter his became deficiencies evident. Me. The filter reminds me of aquaclear 30 in the way it handles media, except it has 2 top baskets, one for bio media and one for charcoal any significant impact, and the 2"x 2" square foam is a joke. maybe a bigger block would be better but i guess not. Too small a filter for his shellfish, supporting 20 gallons. 2) I tested the unit with

Well I have to say it's a great filter. Once fired and fine tuned it's very quiet to hang on the rear filter and the media organization is excellent (and arguably superior to the Aquaclear filters. HOWEVER - it wasn't an easy filter to set up. No matter how much water I poured in. And it sucked sucked in a huge amount of air which made a lot of noise at first. I searched the manual for troubleshooting help but to no avail. Luckily a few helpful Revain reviewers mentioned trying to verify the…

I have had aquariums for 40 years and this is a royalty free review. I just received the item today and I set it up in 5 minutes and it worked in a 10 gallon quarantine tank that I purposely had algae develop so I could evaluate the UV content of this filter which if I decide that it will work well, eventually will work will be installed in a 4 gallon tank with nano plants that is currently being filtered with a Fluval C2 filter. Fluval C2 is a great filter, but it has 2 shortcomings that the…