Bio Media for Sump

Deezill

Premium member
Hey Guys, question for the experts. What bio media should I be using in my sump? is it ok to use Fluval Biomax Filter Media?
i once had a canister and used that and it worked pretty good. I am not sure if the rules change for Bio media from canister to sump.
Thanks.
 

Fish_wiz2

Active member
How much liverock and sand do you have in your tank? Personally that's all you need. When I switched to a sump from a canister yearsssss ago, I ditched the bio media entirely. I find it more important to keep the sump clean of detritus than having a ton of bio media which can clog and trap detritus.
 

Fish_wiz2

Active member
You can if you have enough liverock and sand. You can also remove the bio media in increments just in case a sweep of the bio media could cause an imbalance while the bio on your liverock and sand catch up.
 
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