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Hi there I have a penguin 200b or 55 gallon running on my 30 gallon and its working great and what model because the 200b and higher you can you two filter cartridges its great. You just have to make sure you water level isn't too low because with the high flow. What size aquarium and what type of fish are you keeping I'd love to see some pics
I have been using a 350b on my 40 Gal for 5 years.. it gets louder when the water level drops but overall it is pretty quiet. I have been happy with the one I have
I own 3 of them total, one used and the other two new, and only one of the new ones got really loud after a month or two. Overall though I think they are good and not great.
I had one on my 10 gallon and it was great. Just switched to an aqueon filter for my 20 gallon and it's super quiet. Personally I like those better but I guess it just depends on your tank and your fish.
I run bio-wheels on all of my tanks now. I love them to death. My only problem with them, as mentioned before, is that if your water line drops, then it's like a waterfall in your room. It is nice to have the bio-wheel to establish another tank. I stole my boyfriend's filter to cycle my 55g along with a new filter.
Yup what they all said for the most part, Ive got two running on my tank Bio-wheels from penguin I think 280's, anyway they do get a little water noisy. I personally really enjoy the sound. It is not bothersome or my wife would have input. I have had a great tank with great water utilizing them but I have heard the Cannisters are supreme.