MrLiam Fish Herder Joined Feb 6, 2011 Messages 1,170 Reaction score 0 Apr 11, 2011 #1 Just wanted to know which one is the plug. also will it show its working (protein skimmer) if there is just water in it.
Just wanted to know which one is the plug. also will it show its working (protein skimmer) if there is just water in it.
OP OP MrLiam Fish Herder Joined Feb 6, 2011 Messages 1,170 Reaction score 0 Apr 11, 2011 #2 Don't worry stupid me had the air valve under water.