barb fittings

Everyone has already been so helpful. So I purchased a Red Sea 350 that already has part #42221 (16mm) connected to the soft tubing. I want to keep everything as is. The issue I have been having is connecting my VarioS 6 return pump to the soft tubing. I ordered another part #42221 but it is...

Had some vinyl 3/4”ID tubing laying around at the house- plumbing 2 returns. Is there any problem with quality of me heating the tube to install into a 1 inch barb in the long run of it wearing and breaking off ??? Just want to make sure it’s durable and don’t snap off by the 1”barb stretch...

So I'm in the stage of plumbing my 180 RR tank. On my current 93 cube I have the standard bulkhead attached to a pvc adapter for a barbed connection. I found online, bulkheads that are barbed on the bottom. Is this basically the same thing, does it put more pressure on the actual bulkhead, or is...