I am new to the hobby and am in process of setting up my first tank (it will be a Red Reefer 525 G2---go big or go home right?)
I just purchased a 5 stage RODI system from BRS. Out of the box it looks like the PSI guage has some sort of oily liquid inside. Is this normal? See picture below:
I just purchased a 5 stage RODI system from BRS. Out of the box it looks like the PSI guage has some sort of oily liquid inside. Is this normal? See picture below: