Dennerle co2 special indicator ph is a refill pack for dennerle co2 long-term test correct ph. Last for 5 months. Contains 5 x 1.3Ml ampoules and 6-colour matching scale.
Dennerle co2 special indicator ph is a refill pack for dennerle co2 long-term test correct ph. Last for 5 months. Contains 5 x 1.3Ml ampoules