Reef Crest CO2 Bubble Counter Dennerle Best used with magnesium chloride

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

Two AquaBus connections provide flexible installation options

Avoid positioning tube ends where they can siphon or become submerged in a way that affects dosing accuracy

Its fins are painted bright ruby

Reef Crest CO2 Bubble Counter Dennerle Best used with magnesium chlorideReef 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