Weird stupid question. When testing is there a reason I have to fill both vials with 16ml of reef tank water?
I have been filling the second bottle with just sink or ro drinking water. Never get matching colors. I wonder if that's why?
Does anyone else do what I do or am I just dumb
I have been filling the second bottle with just sink or ro drinking water. Never get matching colors. I wonder if that's why?
Does anyone else do what I do or am I just dumb