Complete Kit: Our Aquarium Water C02 Leak Detector/Monitor contains everything you need to effectively monitor your tank's carbon dioxide levels. The aquarium C02 Drip Checker/Monitor includes the highest quality glass drip checker, suction cups and 60ml bottles of 4dkh/pH reagent solution each.Simple to use: With the handy carbon dioxide detector, reliable readings can be obtained in about 2 hours without a syringe or other items. Simply fill the capnometer with indicator fluid and place it in the grow pot with the help of a suction cup.Clear readings: If the pH solution turns green/light green, it means your aquarium has optimal carbon dioxide levels. The yellow color of the aquarium set liquid indicates very high levels of carbon dioxide in the water, while the blue color indicates insufficient levels of carbon dioxide.Main product: You need to be very careful about the health of the plant, carbon dioxide is its main requirement. This CO2 monitoring kit is one of the essential items of your aquarium kit, helping you to constantly check the carbon dioxide level in the water.Colour: as shownMaterial: glassPackage Contents:1 * Glass drop checker Only the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/ 13cm.