4 stage canister

dragon3725

Reefing newb
What is the best thing to put in the canister?? like bio balls or i dont even know what else.. Thanks in advance for any input you may have
 
My answer would be nothing. I wouldn't use a canister filter. The only time they are useful for saltwater tanks, IMO is to run carbon for a few days every month. Other than that, they are just going to lead to high nitrates. Especially if you use bioballs. You need to keep them very clean to prevent them from hurting your water quality.
 
If you clean it at least weekly you really can put almost anything in the chambers.
Carbon, bioballs, hair curlers, sponges, filter floss, rock rubble, etc.
 
i used a canister for a while until i got my skimmer and ive never looked back.

they are not worth the trouble in SW tanks. but now you have an excuse to buy a new tank, fresh water planted tank!
 
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