Folks, if you've recently upgraded or renewed your annual club membership but it's still not active, please reach out to the BOD or a moderator. The PayPal system has a slight bug which it doesn't allow it to activate the account on it's own.
It always amazes me how each tank can be so different. I run no gfo and my phosphates are 0.08 and nitrates are between 30 and 50 and none of my acros care.