Description: 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. Specification: Quantity: 2Pcs Package Includes: 2 Piece CO2 Concentration Detector Note: Due to the manual measurement and lighting effects, there is a slight difference between the size and color from the above and the actual item. SKU: SVZ0127546519403129
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