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.
An interesting article
https://abcnews.go.com/International/scientists-underwater-speakers-restore-degraded-coral-reefs-study/story?id=108007057&?utm_source=join1440&utm_medium=email&utm_placement=newsletter/
Let's see who will be the first to bring this "solution" to the consumer market. LOL
The hardest part of the old vortex filters is finding the filter element. You have to rebuild them when they fail. Its a proprietary design. I'm still trying to figure out how you retrofitted that pump the the filter head.
That's a lot of scissors Paul, I'm counting atleast 9