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Canister Filters

3K views 1 reply 2 participants last post by  usmc121581 
#1 ·
Are canister filters good for saltwater Aquariums because they are not mentioned a lot, i have a rena filstar xp3.
 
#2 ·
They are nitrate factors. I use one to polish the water. No carbon is in there at all.
 
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