Features

• Co2 Tester is designed to indicate the CO2 amount diluted within the water with color change of the reagent inside, in order to understand the proper amount of CO2 supply.
• Can Long Term used
• Prevent the CO2 become too high make the aquarium live danger
• Easily judge the proper CO2 supply by the color of reagent with color test card.

Specification

• Color Test Card
• Co2 Reagent Bottle