UP Aqua Mini CO2 Bubble Counter

UP Aqua Mini CO2 Bubble Counter This product is essential for regulating CO2 released to the aquarium. Made of high quality and resistant plastic. Endowed with a lot of elegance and a sophisticated and mini appearance, this product is used in conjunction with carbon dioxide systems. How to use • Can be hung on the side of the cylinder or fixed with a suction cup. • Inject 2/3 of the water into the water before using to observe the gas flow. Included • 1 Piece CO2 Bubble Counter. • Suction cup