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Why are wet/dry or trickle filters considered to be "nitrate factories" by advanced aquarists?

These are filters used on reef and fish only with live rock aquariums. Some people use them on freshwater aquariums as well.


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drperetz profile image56

drperetz says

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6 years ago
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    aquarium advice 4 years ago

    actually that has been proven wrong, a wet dry sump is the best thing to have for your marine aquarium. also you do not need to have a preteen skimmer present, i am running a 120 mined reef without a skimmer and it looks beautiful.