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.
I just started using one last year.
I never liked them before. I like to know when there was stray voltage in the tank so I can fix the problem.
Now, I finally got tired of getting that tingle in my open cuts. So I bought one. I unplug it once a week and stick my hands in the tank to test for...
We have group buys once a month. This months group buy is from Premium Aquatics. We order almost whatever we want from them and get about another 15% off the price you just paid.
January's group buy is Inverts.
There are additional threads in the members only forums about group buys.
Membership...
I would use a 400 on the carbon and a 300 on the GFO. The GFO should only tumble at the top in the chamber so as not to pulverize the media.
With running one pump for both, it would be hard to get the right adjustment for both chambers.
I would stay with the 3500. Mine uses a 9500. It went and I replaced it with a 7000. Was never able to get the same skimmate, so switched back to the original pump.
Did you try replacing the impellor first? With needle wheel pumps, the impellor wears out a little faster because of the needle...