Colombo CO2 Cylinder Bottle M10 bio co2 It is a complete bottom

It is a complete bottom layer

Marine pH should be 8

It is normal for the dry sensor to have a greenish hue

so you can see what you are removing

The 13 mm glass Inline Diffuser is a pollen style inline CO2 diffuser that is placed in the outflow line of the filter or aquarium pump to efficiently diffuse CO2 gas into the aquarium

Colombo CO2 Cylinder Bottle M10 bio co2 It is a complete bottomPressurised CO2 Bottle for all systems using a M10 connection like Colombo CO2 Profi or JBL Disposable systems (uXXX). With a help of an adapter these bottles can even be connected to common 95g systems like Tropica Nano CO2, Colombo Advanced CO2, Fluval etc. BUY ADAPTOR HERE! Available in two sizes: 800g, 1200g