|10-28-2013 04:19 AM|
Aquatek Premium CO2 Diffuser with Solenoid question
How do I tighten this thing properly? I tighten the ring with a wrench but then the whole unit can be screwed down or up. I'm trying to get the guages up right or perpendicular from the ground, I've had to tighten it crazily to get it perpendicular.