CO2 INDICATOR / CO2 REACTOR WITH GLASS AND SOLUTION

CO2 INDICATOR / CO2 REACTOR WITH GLASS AND SOLUTION Monitors levels of CO2 & PH in aquariums. Ensures fish and plants live in a healthy environment. Made of glass, for max reliability. Provides accurate dosing of CO2. Easy reading with color chart. Instructions: First, you have to turn the drop checker upside down, add 4 drops of solution and I added enough tank water to fill the bubble half way. once you turn the drop checker right side up you can place it in your aquarium. you do not have to lower the water in your tank. it takes a couple of hours to start working. once you changed tank’s water, pls change the liquid. Specification: Dimension: 2.3 x 1.7 x 0.2 inches Weight: 8.5 Grams