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Originally Posted by bear27
I thought that the object of saltwater filtration is to reduce nitrates not to encourage them to grow. Canister filters reduce ammonia and nitrite to nitrates. so why would you use them
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There is of course a reason to use one. I , for instance use canister filters on my tanks because I use Chemipure for nitrate scavenging. I need somewhere to put the product, and the best place is a canister filter. I use Fluval 204's without any other media in the filter, just the Chemipure.
