Dennerle Nano Bio CO2 Water Care Treatment Set, 12.6-oz bottle
Dennerle Nano Bio CO2 Water Care Treatment Set, 12.6-oz bottle; Help keep your freshwater plants and pals happy and healthy with Dennerle Bio CO2. This bottle of fermentation gel for aquariums is designed to produce over 300,000 bubbles. It is crafted to supply constant and evenly controlled CO2 gas for 30 days in nano aquariums up to 20 gallons in size. This fertilization CO2 gel comes complete with a bubble counter, filter adapter and tubing for easy and simple setup.