3 Review(s)

This TDS Meter Comes Pre-Callibrated and ready to Use, Pen Type Meter with pH Drop with easy drop.Pour 1 inch of Water into the transparent glass ad then put 5 to 8 drops of liquid in it to check the orp is positive or negative.Easy to use squeeze bottle, Auto-off function which turns it off after 10 minutes of inactivity. Highly Efficient and Accurate product