Why is my co2 drop checker constantly blue? I am using the JBL Permanent Co2 plus pH Aquatest. The instructions indicate that you add 35 drops of the provided tester liquid into
JBL CO2-pH Permanent Test
JBL water test agent kit PH NO2 NO3 Ca Mg Cu O2 CO2 PO4 NH4 GH KH Fe aquarium fresh maring water fish tank - AliExpress Home & Garden
JBL PROFLORA pH Control
JBL PROAQUATEST CO2-pH Permanent
Permanent Test JBL Co2 PH - YouTube
Daily FTS - Reef and Tropical Aquarium Blog: Review: JBL CO2 Permanent Test