Siporax is highly efficient at reducing nitrates, especially if you soak it in microbacter 7 first. PNS Probio is great at reducing nutrients in a very natural way, which is my preferred way. Is this a mixed reef? Certain soft corals excel at nutrient uptake, like Xenia.
Growing chaeto is great, so I would give that a go again. Feed more flakes and pellets. I feed at least 6 times a day and I still have to dose 1ppm of NO3 nightly to keep nitrates around .5 to 1ppm. For frozen food I prefer LRS (Rod’s is very similar), pellets I use TDO and two types of NLS, combined with 3 different flake foods. My PO4 is around .1ppm, but if I dose PNS once a week, then it goes down even further. The problem with carbon dosing is that it can’t choose which bacteria it targets, so it can fuel the nasties as well. Today, we can utilize bacteria, macro algae and a good skimmer to export nutrients efficiently.
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