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JBL Proaqua CO2-pH Permanent test kit (Long Term CO2 Reading) — East Ocean Aquatic
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JBL ProAquaTest CO2 Plus PH Permanent Water Test Kit - Aquarium from Pond Planet Ltd UK
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 PROAQUATEST CO2-pH Permanent
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JBL - ProAquaTest CO2/pH Permanent - CO2 and pH test in fresh water