Reef Crest CO2 Bubble Counter Dennerle Two AquaBus connections provide flexible

Two AquaBus connections provide flexible installation options

Best used with magnesium chloride as part of a balanced magnesium routine

Filtration planning: The 90 L sump gives space for a skimmer

Safe when used in combination with Kick-Ich PRO

5 ppm phosphate

Reef Crest CO2 Bubble Counter Dennerle Two AquaBus connections provide flexibleReef Crest CO2 Bubble Counter The Reef Crest CO2 Bubble Counter is a compact planted aquarium CO2 accessory that provides clear bubble rate monitoring and built in backflow protection for compatible pressurized CO2 systems. Bubble Rate Monitoring for Planted Aquarium CO2 A bubble counter gives planted aquarium keepers a simple visual reference when adjusting CO2 output. By making each bubble easy to see, this Reef Crest counter helps fine tune