Filtration Advice

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MarkTL

Feeder Fish
MFK Member
Mar 29, 2012
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New york
I have a 180 gallon tank with a cf500 cannister on it right now...Im just wondering why some people say two to three cannisters are necessary on a tank


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Just a few of my reasons
1. Turnover rate, your one filter only passes tank volume through it a little over 2x per hour if its empty. More filters equals more flow and more time water can contact the media
2. More filters will hold more bio media
 
^ X2...

But also depends on your stocking levels... if you have heavy stock, then its probably a good idea to have the extra filtration, but if you have very light stock, then you MAYBE able to get away with one...

I personally run 2 canisters and a UV on my 200G, but still considering adding more due to having messy fish...
 
Also, you can alternate between cleaning so you don't loose your goodies/bacteria in the canisters.

And if one fails you still have some filtration with another one or more added.
 
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