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.
Some powerhead you can add a filter to the bottom of the intake. This is basically a cage to add the filter pad in it. I keep the cage on the power head with out the filter all the time to keep anything and everything from getting sucked in.