Description is below picture.
CO2 Plant System. Release the natural beauty of your planted aquarium! CO2 diffusion, through natural fermentation, results in a dramatic difference in plant growth, condition and color. As a result, water quality is enhanced, benefiting fish condition and health.
Live plants provide many beneficial effects to the overall quality of water. Plants oxygenate water, naturally beautify aquariums, and purify the aquatic environment.
Includes Activator and Stabilizer-roughly a 3 month supply.
For up to 20 US Gallon Aquariums. For larger aquariums simply add additional systems
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Visit Manufacturer's website: www.hagen.com
CO2 Aquarium Natural Plant System