Can I use the water I take out of my mixed reef tank after water changes and dump it into my macro algae tank? I have no fish in in there. In theory, would the macro tank absorb the nutrient from that tank?
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Sounds like a good idea. You still might have to supplement some trace elements that were probably depleted from the water in your mixed reef to keep the macro algae happy.
That’s street reason I got it. Copepod farm/emergency tank for himI do that. I think it helps the macro I keep i a small fishless tank, in reserve, in case I get a problem with the one growing in my carnivorous fish. Over grown algae, go to feed the herbivorous fish.
Nice will doTry adding chaetogro into the old tank water.