GAIQI 30MM Glass CO2 Aquarium Diffuser Screw Type Traight Port Diffuse Atomizer

Description

Material:Glass Color:Transparent Size:As picture shown Instructions: 1.Turn drop checker up-side-down and place 3 drops of test solution into the drop checker. 2.Use a pipette (not include) to inject tank water into the drop checker. 3.You will see the color change on the solution according to Co2 content in the tank water. 4.Turn drop checker up-side-down again carefully, and place the drop checker inside the tank below water level. Package included: 1x Drop Checker 1x Sucker