Essentials EC meter is designed to give highly accurate readings in 20 seconds! Convenient & easy to use, it is automatically temperature compensated and has 1-3 year life span.This robust meter has built in energy saving mode & low battery indicator
The Bluelab ppm Pen simply tells you that your plants have the right amount of nutrient in your solution and lets you know if adjustments are needed. To feed plants well, we need to know what we're feeding them. Start with a quality nutrient.
The Bluelab Truncheon measures the nutrient strength of a solution. It is essential when growing hydroponics to know what the strength of the solution is before feeding your plants and while they are growing. To take a reading of your solution -