Thanks guys. Put in 70 pounds of dried live rock. Didn't know to cook it. By the time I bought a phosphate test kit I was around 5ppm. Glad I caught it before the algea started. So I'm doing 2 water changes a week, and running gfo. Got it down to .75 ppm so I'm on the right track. Hopefully I can force it down with water changes and keep any leaching on track with gfo. Nitrates have been below 10ppm so it's not out of control but guess it's all part of a new tank.
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