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ITEM NAME:2Pcs Aquarium Crystal Glass CO2 Detector CO2 Concentration Indicator 1#
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*{margin:0;padding:0;.2 Pieces CO2 Concentration Detector. Maintaining proper Carbon Dioxide (CO2) levels in the planted aquarium is one of the most important factors in the health of the planted aquarium ecosystem. Useful tool for monitoring CO2 levels in the aquarium.
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