Simply inject 1cc of co2 indicator solution into the cap of co2 indicator
Not necessary to change solution every time a maintenance is done to the aquarium
Adding aquarium water is not necessary

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 2.5 inch
Height : 0.8 inch
Length : 4.5 inch

Item Weight: 0.32 ounce (View shipping rates and policies)
Shipping Weight: 0.32 ounce (View shipping rates and policies)

ASIN : B005DGJGI8