The Bluelab Soil pH Pen provides a pH and temperature reading of soils and media, so you know that the right nutrients will be made available to your plants. In soils or growing media, pH strongly influences the availability of the microorganisms to plants in the soil. Now you can closely monitor and adjust the pH levels to optimize plant health and performance. It will also measure solutions too.
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...