Urban growers can easily measure and maintain nutrient strength levels with the waterproof Truncheon Meter. Truncheon Meter reads in EC (0.2-3.6), CF (2-36), TDS/ppm 500 (100-1800) and ppm 700 (140-2520). Accurate within ± 4% of reading with a resolution of 0.1 EC, the Truncheon runs on three AA alkaline batteries and comes with a five-year manufacturer's guarantee.
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...