I have RO Super Reef 5000SSS. It creates so much micro bubbles. First I used an elbow with a hole in it, and it didn't work. I made this (see photo) and it doesn't work either. It look identical to the device RO selling. First I used 1.5" PVC, then I used 2" PVC. The cap has 3/8" hole.
Any idea?
Any idea?