Glass Drop Checker Aquarium CO2 Tester Monitor for Planted Aquariums Tanks

$9.9 $8.07

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  • Estimated Delivery:Apr 06 - Apr 13

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Aquarium CO2 Monitor Carbon Dioxide Glass Drop Checker. Different color of liquid represents different concentration of CO2. 1 Piece Glass CO2 Monitor. Concealed glass groove is easy to open and fill into liquid.

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