Think of nutrients like a lock. pH is the key. A key factor that affects food uptake is whether your solution is acid or alkaline. We measure this in pH. The Bluelab pH Pen also measures the temperature of the solution, as root health is vital to the success of a crop. The Bluelab pH Pen provides a compact quick and handy way to manage the success of your crop to ensure maximum uptake of nutrients. Teamed with our Bluelab EC/ppm Pen, you have a handy, convenient and accurate water testing system for ensuring optimum plant growth and health.
High-quality solutions formulated for calibrating and/or testing conductivity probes
Included in the Conductivity Probe Care Kit
Bluelab's 2.77 EC conductivity standard solutions are essential for use with all Bluelab EC/ppm products.
Digital EC/ppm measuring Pen Helps you know exact nutrient levels Included with certain Complete Grower's Kits Absolute precision guaranteed The Bluelab ppm Pen simply tells you that your plants have...