Bluelab Combo Meter - measures pH, conductivity, and temperature, all in one!
The Bluelab Combo Meter is a 3 in 1 measuring device for the hobby-level to mid-level grower. The Bluelab Combo Meter combines all of the information needed to keep your nutrients at peak effectiveness, helping you to prevent overfeeding, deficiencies and root diseases. The Bluelab Combo Meter is extremely simple to use, and also highly accurate and consistent. It's often referred to as the “Cadillac of meters”. The pro growers might want to take a look at the Bluelab Guardian Connect.