Aqua Balance EC Pen Meter OIL EXTRACTION U-Turn should be used once

U-Turn should be used once during the flowering period

Bluelab Soil PH Pen

The Eazy Plug will always remain firmly bonded together as a whole

Safe to apply daily and will not interfere with plant development

Aqua Balance EC Pen Meter OIL EXTRACTION U-Turn should be used onceEC 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