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Aqua Lab Aquaria

EDSALA222C

Glass Drop Checker, Hang On - ALA

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Hang on the rim of your aquarium to continuously monitor approximate CO2 levels by the color of the fluid in the bowl:

Green = normal

Blue = low CO2

Yellow = high CO2

  • Glass provides a clean aesthetic
  • U-shaped to accommodate any size aquarium
  • Optional: CO2 checker solution