I have a ehopps hob skimmer rated for 75 gallons on my 30 gallon reef. In yhe 3 and a half months ins been running I haven’t cleaned the collecting cup once because nothing has formed that much to be cleaned. The cup has gotten a little brown but not to the point where I have to clean it. I have a clownfish pair and a fire fish in there right now. Is it just because of the small bio load or is it something else? Thanks
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