Special high viscosity liquid to prevent evaporation and spillage in Bubble Counter. To be used externally only and comes in 50 mL spout cap for easy & direct application. Imported from Germany.
This Needle Valve is most suitable for Aquarium use. It can provide down to 10 bubbles of CO2 / minute consistently (at 0 pressure). Fits most CO2 Regulator Kits on the market. Inlet - Male Threaded NPT 1/8" (measures 1/4" OD phys...
Plastic check valve for water plant aquariums. The check valve is usually placed between the CO2 regulator and the bubble to prevent water from back-flowing to the regulator.