Pro-Series Precision CO2 Check Valve Floating Do they need a group

Do they need a group to be happy

and its durable

harmonious look that suits a wide range of aquarium themes

Quite common in the aquarium hobby and great for beginners

Will provide your plants with the essential Micro-Nutrients for about 2-3 weeks

Pro-Series Precision CO2 Check Valve Floating Do they need a groupProtect your CO2 equipment with the New CO2Art Check Valve! This clever device permits the flow of CO2 in only one direction. Protecting the CO2 System from water backflow and damage to expensive CO2 equipment such as regulators and solenoids. This innovative check valve is resistant to +100psi high pressure with an incredibly low opening cracking pressure of 1 psi! The check valve is designed with easy push in connectors for simple in line