[Resolved] Fittings To Parent Forum September 2, 2019 at 1:13 pm #226 Hydroponic_Grower1234Participant Do you offer barb fittings? How do you attach the “Click Fit” connector to a 3/4 inch ID tube? September 2, 2019 at 1:15 pm #234 JoshKeymaster If you are using the click fit filter for the FlexiTank then the connection should be water tight….. if not remove the collar….. dip the exposed pipe into hot water and push onto the tap. You must be logged in to reply to this topic.