Parts

A refill can of CO2 Depot for the Tetra Optimat set.

The ProSilent Safe backflow stop is TÜV tested and protects devices, such as diaphragm pumps, from backflow of aquarium water.

This adaptor enables you to use the Colombo CO2 800 grams bottles on their standard regulator found in their CO2 Advance Kit.

Calibration solution with pH 7.0 for pH electrodes.

Calibration solution with pH 4.0 for pH electrodes.

500 grams disposable Co2 storage cylinder for the JBL U-Series

Refill bottle for the Colombo Co2 basic set. The bottle contains 12 grams, the same amount as the bottle that comes standard with the set.

Solution for the cleaning and storage of pH electrodes for aquariums.

Bacteria, lime and other impurities which settle on the electrode can falsify the real pH value. The regular cleaning and calibration of the electrode ensure precise measurement and an unaltered pH value. Electrodes always need to be stored in a humid pla

JBL ProFlora Safe Stop is a special non-return valve for CO2. Non-return valve with washer, pre-tensioned by a spring, preventing water leaking into the pressure regulator and CO2 cylinder. CO2 has a very powerful diffusion strength which, if a normal non