Bubble Counter, Aquarium Air Pump Accessories Fish Tank Tool Knowing the Amount of CO2 (Double Head)

【Harmless for Plants & Fish】-- The bubble counter is made of high quality material, which will be and Adding a bubble counter to your aquarium setup is a safe and all natural way to effectively add CO2. 【Helps Control Amount of CO2 in Tank Water】-- The and safe CO2 bubble counter is used in conjunction with the water grass meter, the gas output of CO2 can be clearly seen to supply sufficient CO2 for the water grass. Double Head Size: Approx. 3.2×0.8inch(L×D); Single Head Size: Approx. 3.1×0.8inch(L×D). 【Keep Healthier for Fish & Plants】-- As you know, overactive or deficient amounts of CO2 in tank water can cause undue stress on fish and plants, and too much CO2 in the water can cause the pH levels to drop. However, Our bubble counter makes aquatic plants happier, healthier and brighter, faster growing. 【Easy to Read】-- The transparent design of counter makes it easy to see the bubbles, so you can effectively determine the bubbles per second. Bubbles are formed by the CO2 gas in the water; The more bubbles, the more CO2. Once the counter is installed and attached, it is time to count the bubbles. 【Quick & Easy to Install】-- Bubble counter simply connects to current CO2 diffuser tube. Fill the bubble counter with water, attach it to the tube and then use the included suction cup to securely fasten it to the outside wall of your aquarium.Package Include: 1 x Bubble Counter