The Story
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

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
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

















