Maintain the perfect environment for your aquatic plants with the Ferplast CO2 Energy Bubble Counter. Crafted from high-clarity, durable acrylic, this essential tool allows you to visually monitor and precisely meter the amount of carbon dioxide entering your aquarium. It features built-in inlet and outlet nozzles that connect securely to standard 4/6mm airline tubing. The included robust suction cup and snap-in bracket allow for flexible, secure mounting directly onto the glass. Ideal for both beginners and advanced aquascapers looking to optimize plant growth while preventing accidental CO2 overdosing.