barbed

I am putting together my first reef aquarium. (Not how I wanted to tell you guys) Planned to make my first post with my build. Sadly I'm having a plumbing issue. I have a Maxspect jump 8k. I am using 1inch return pvc pipe. This return came with barbed fittings and I am unsure of what tubing/...

I have an IM 50 lagoon, and I purchased a Varios 2 DC pump. The website claims that the pump has a barbed outlet at 1/2"-3/4", which is compatible with my 1/2" tubing for the aquarium. When I received the pump, the barbed outlet was in fact 3/4"-1", and the barbed outlet was not stuck together...