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.
Yeah I had the same stuff. When the tufts were small I could chip them off the rock with a screwdriver. Raising the Mg to 1600 for a few weeks finally killed it off in the spots I couldn't reach.