CarbonDoser Electronic CO2 Regulator - OPEN BOX Seachem NPR Rinse the test tube after

Rinse the test tube after use to reduce staining and residue

Liquid Nitrate Testing from 0 to 160 ppm for Aquarium Maintenance

and plant-anchoring points

Wide 12-inch weir provides efficient aquarium surface skimming

CarbonDoser Electronic CO2 Regulator - OPEN BOX Seachem NPR Rinse the test tube afterCarbonDoser Electronic CO2 Regulator DAMAGED PACKAGING NEW Overview This product has forever changed the introduction of CO2 into an aquarium. Key Features Used for CO2 injection for a freshwater planted aquarium, or a Calcium reactor in a saltwater application. We guarantee that nowhere on this planet can you find a BETTER or MORE PRECISE regulator! This is OUR baby, we built it, tested it, and patented it. The problem of "dumping" is completely