High Times

HIGH TIMES 2019 STASH AWARDS

BEST DIGITAL METER

HM DIGITAL’S HM-200

Prices vary

hmdigital.com

The nutrient reservoir is the lifeblood of the hydroponic cannabis garden, and monitoring the levels of plant food, temperature, and acidity or alkalinity of the liquid solution is essential for obtaining consistently high yields. The HM-200 monitor from HM Digital measures TDS (total dissolved solids) in PPM (parts per million), EC (electrical conductivity), pH (acidity or alkalinity) and temperature, all in one sleek but versatile portable handheld unit. All levels are displayed on an easy-to-read LCD screen, and the monitor arrives calibrated and ready to use.

BEST FOLIAR CALCIUM SUPPLEMENT

XTREME GARDENING’S CALCARB

$33.99, 6 ounces

xtreme-gardening.com

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