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.
Wow those are pretty big and inexpensive for what you get. Would be nice to eliminate all of my pot scrubbers and bio balls in my pond filter for these. If anyone thinking about using them on your reef tank their website does say not suitable for saltwater, Wonder why.