nitrates
Yes I have a 45 gallon sump that will have a refugium in it as soon as I can get a light wired in. Right now the sump is basically 5-10lbs live rock rubble (inlet) under and over to the skimmer chamber then over to the refugium bed (currently about 4-5" of sand/gravel and then over into the return pump chamber.
And yes I have virtually 0 algae in the tank. even the back wall that I would leave for the tangs is bare other than pink and purple coraline. I wish I had some algae for the tangs.
Water flow is 2000 gph by the main pump,(probably somewhat reduced by the fact its in the basement) and I have 2 power heads one on each side of aquarium. 100g corner round.
Water I buy at sobeys. I have tested it prior to water changes and it tested fine. I am starting to think it is the mysis shrimp I have regularly fed.
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