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- Dec 10, 2017
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did the NO3/PO4 drop over the 3 weeks using Vibrant. You have a good skimmer and so it should have pulled out more with the Vibrant (carbon dosing). Also, how frequently do you change the filter socks? BRS recommends at least twice a week (otherwise the organics caught in the socks will break down and feed the algae
I didn't notice a drop in Nitrate yet. My sandbed is a little on the deep side, I will start with the sand rinsing.
Om the filter socks, I have nylon mesh ones that I clean throughly with peroxide, rinse and back they go. I only replace them after 6 months or so... I read the same thing about replacing them more often, just couldn't get myself to start buying so many socks