Glass Tube CO2 Drop Checker U-Shape
The U-Shape Co2 Drop Checker helps in the gauging of Co2 content within your aquarium. The indicator letting you see warning signs before excessive Co2 start to hurt your fish.
This Drop Checker is designed to effortlessly hang on the aquarium rim or can be stuck on the inside of your glass. It’s sleek low profile U-shape minimizes distractions from your aquascape while still giving you a clear Co2 reading.
Suitable for glass thickness less than 12mm.
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