Measuring, Meters & Pens
FHD GrowBoss - Nutrient Meter
The FHD GrowBoss is a constant monitoring meter that indicates to the grower the exact levels of nutrient strength, pH and temperature.
HM Digital COM-80 EC/TDS Hydrotester
The COM-80 is an economically priced, reliable EC/TDS meter that is ideal for testing applications such as hydroponics.
HM Digital PH-80 Water Resistant pH Meter
The HM Digital PH-80 pH Meter is an economically priced, reliable pH meter that is ideal for testing in hydroponic and aquaculture applications
HM Digital TDS-4TM Pocket TDS Temp Meter
The HM Digital TDS-4TM Pocket Size TDS & Temp Meter is ideal for fresh water aquariums, swimming pools, spas, and hydroponics.
HM Digital TDS-EZ Consumer TDS Meter
The HM Digital TDS-EZ Consumer TDS Meter is Ideal for all basic water testing applications. The best value meter in the world!
Mini Measure Shot Glass
Mini Measure is a traditional “shot glass” imprinted with commonly used measurements. Comes in a counter top display pack of 12 individual measuring glasses.
Mix-N-Measure is a traditional glass imprinted with measurement standards.
UltraGrow Measuring Beaker
The UltraGrow Measuring Beaker measures in cups, milliliters, pints, and ounces. High-quality plastic construction with green measurement marks.
UltraGrow Measuring Cup
These durable measuring cups feature a built-in easy pour spout with easy to read U.S. and metric measurement markings set into the sides.