Aqua Balance EC Pen Meter OIL EXTRACTION Safe to apply daily and

Safe to apply daily and will not interfere with plant development

and throughout the beginning and middle of the flower cycle

Bluelab Soil PH Pen

Light weight and easy mounting

SPGC (Specific Gravity): 1

Aqua Balance EC Pen Meter OIL EXTRACTION Safe to apply daily andEC Pen Meter Green Easy to read screen. Easy to calibrate. Monitoring the pH of your nutrient solution is vital to getting your plants to grow at their peak performance as the pH determines how effectively nutrients are absorbed by plant roots. pH is measure of how acidic or alkaline (basic) a solution is on a scale of 0 to 14. Operation Steps: Remove the protective cover. Clean the electrode with water (there is white crystalline salt around the