I've been thinking of doing the exact same thing. I also have zero nitrates and an abundance of nuissance algae. The one concern I had is that carbon dosing seems to do a better job of elminating nitrates then phosphates (anecdotal from observing a few carbon dosing threads). Since nitrates don't seem to be the problem for either of us, I wonder how much this system will help. Perhaps the additional bacteria dosing will be the key. I'll be following along closely to see how this goes.
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