TerraGauge: Digital Soil Lab in a Box (Nitrogen, Phosphorus, Potassium, pH and more)

TerraGauge is a complete digital soil lab in a box — get instant, lab-grade readings for Nitrogen, Phosphorus, Potassium, pH, EC (salinity), moisture and temperature in seconds, right where you're growing. Designed for gardeners, growers, hobby farmers and landscapers who want to stop guessing and start dialling in their soil. Plug-and-play hardware, a free companion app, and a built-in interpretation guide that translates raw numbers into clear next actions. What's in the box • TerraGauge digital soil probe • USB-C charging cable • Calibration solution • Quick-start guide + soil interpretation handbook • Free TerraGauge companion app (iOS & Android) What it measures • Nitrogen (N), Phosphorus (P), Potassium (K) • pH (acidity / alkalinity) • EC / salinity • Soil moisture • Soil temperature Why growers choose TerraGauge • Lab-quality readings in under 30 seconds • No subscription required to use the core device • Save unlimited tests, beds and zones in the free app • Built tough for outdoor use — IP65 rated probe • 30-day money-back guarantee, free shipping Free shipping. 30-day money-back guarantee.