I got an rodc 5500s pump for my extreme 300 which had two psk-2500s on it. The 5500 doesn't seat completely in the union on the skimmer so I added an o-ring. All was good there. I get tons of water flow into the skimmer but very few bubbles. If I put something in the way on the intake nothing changes. One person at coralvue said this pump won't work on that skimmer and another said there will be an adapter for it in 3-4 weeks. Can anyone give me ideas to try to get bubbles going in the skimmer?
