11-17-2012, 07:49 AM
|
#13
|
|
Algae Grower
Join Date: Sep 2012
Location: Nottingham, England
Posts: 89
|
Quote:
Originally Posted by Darkblade48
The best way to check CO2 levels is to use a drop checker with a 4 dkH reference solution.
|
I use JBL DC, it stays the same green regardless of how much co2 I use
|
|
|