Pellorig Aquarium CO2 System Generator Bottle Cap Fish Tank Plant Air Diffuser Generator Tool Carbon Dioxide Reactor Instrument Easy to Use
$4.72
Description
Easy to use. Just screw the cap onto the beverage bottle. Easy to seal without letting air escape..Plastic material keeps the cap from rusting and is safe for fish and aquatic plants..This CO2 bottle cap is suitable for most DIY reactors..If your aquarium/fish tank waterweed grows slowly and needs more carbon dioxide, this bottle cap can help you..With 2 holes, you can add test tubes and other tools, such as a bubble counter or other tools to help you understand and control the process.
