Description
Designed to be compatible with AQUATEK CO2 Regulators (Models: Basic R-76, Premium R-76-1 and Mini R-78). Attaches directly to AQUATEK regulator without tubing or extension. Built-in check valve prevents back-siphoning and protects CO2 system. Instructions: 1.Unscrew the air tube tightening nut completely and remove the black rubber o-ring. 2.Remove the lid of the brass bubble counter. Fill the bubble counter chamber with water until ¾ full; close the lid tightly. 3.Place the black o-ring onto t
