A very high-quality German CO2 check valve for freshwater or marine applications. A mid-level & mid-priced, quality check valve between the Metallic and the Plastic units. Takes 4/6 mm (ID/OD) or 1/8" airline tubing.
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...
Compact, Easy to use bubble counter with integrated check valve Check valve protects the gas system from backflow of aquarium water. Provides an accurate measurement of the CO2 flow rate.
A natural efficient system for the production and diffusion of CO2 for aquariums up to 40 gallons. This simple and reliable system generates CO2 by a pH buffered natural fermentation process, providing an almost constant supply of...