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.
Friends, I have read your thread on Sulfur denitrators and have more questions.
I have made every effort to build a reef that requires as little manual intervention as possible. I am interested in building a nitrate reactor. My nitrates are not bad around 0.2 ppm and my phosphates are less than...