Keep your soil observations in one place. Standalone six-function soil meter with white housing and two probes, plus the MasterGrowbot 12-page Equipment Quickstart, two worksheets and CSV observation log. $99 USD, one-time purchase. Supplier-listed functions: soil moisture, pH, temperature, fertility, light and ambient humidity. Readings are indicative and depend on conditions; this is not a laboratory test or automatic app-connected device. US and Canada delivery estimate: 2–4 weeks from payment. Shipping included; any sales tax is shown at checkout. Canadian import charges, if assessed, are not included. Hardware is sourced after payment; tracking is provided after dispatch. Unused, unopened hardware may be returned within 30 days of delivery; contact support@mastergrowbot.com first. Customer pays return shipping except for damaged or incorrect goods. Digital guide access through Start Here and Quickstart Files. Gallery images are AI-generated illustrations; models, plants and other props are not included. Payment is processed by Whop through the Smart Ag AI business.