Nutradip PPM AC/DC Combo Meter organic Add 1 tsp (5 ml)

Add 1 tsp (5 ml) per 1 gallon of soil

5 V miniature alkaline batteries

fill the container with the preferred cleaning solution

Use on all indoor and outdoor plants

Nutradip PPM AC/DC Combo Meter organic Add 1 tsp (5 ml)These continuous monitoring meters feature automatic temperature compensation, with high quality probes and AC DC power built in for portability. Engineered for accuracy and durability, they are lightweight, splash resistant and have an easy to read display. Wall mount or hand held. Includes replaceable 9 volt battery and calibration solution. Main Features AC & DC powered Easy to read display High quality nutrient probe Plant friendly display Wall