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HM

Home / Water and Aeration / Ph/EC/TDS Meters and solutions / HM
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  • Water and Aeration
    • Water Pumps and Irrigation Supplies
      • EcoPlus
      • EZ Clone Cloning Machines, Aeroponics and Hydroponics
      • Marineland Submersible Water Pumps
      • Hydroflow
    • Ph/EC/TDS Meters and solutions
      • General Hydroponics
      • HM
      • Bluelab
      • Nectar of the Gods
      • Cyco
      • Alchemist
    • Water treatment
      • MICROBE LIFE™ DECHLORINATOR
    • Water Aeration
    • Chillers, Heaters, and Purification
    • Watering, Sprayers and Wands
  • Growing Environment
    • Environmental Controllers
    • Fans, Ventilation and Ducting
    • AC / Dehumidification / Humidification
    • Air Purification
    • Timers and Instruments
  • Lighting
    • Commercial Lighting Fixtures
    • Gavita
    • LEC/CMH Lighting
    • LED
      • Kind Lighting
    • Sun System DE Reflectors
    • Sun System SE Reflectors
    • Sun System Electronic Ballasts
    • Electronic Ballasts
    • Sun System Magnetic Ballasts
    • Magnetic Ballasts
    • Lamps
    • Fluorescent Lighting
    • Complete Systems
    • Lighting & Electrical Components
    • Extension, Power & Lamp Cords
    • Light Movers Hangers
  • Plant Propagation Nutrition and Health
    • Nutrients and Supplements
      • Mother Earth
      • Emerald Harvest
      • General Hydroponics
      • Nectar for the Gods
      • Botanicare
      • House and Garden
      • Lotus
      • Cyco
      • Super Thrive
      • Terpinator
      • Hygrozyme
      • Budswel
      • Advanced Nutients
      • Humboldt County's Own
      • Monterey Epsom Salts
      • General Organics
      • Measure Master
      • Down to Earth
      • Xtreme Gardening
    • Cloning and Seed Starting
      • Clonex
      • Rootech
      • Rapid Start
      • EZ Clone
      • Hygrozyme
      • House and Garden
      • Botanicare
      • General Hydroponics
      • Technaflora
      • Super Sprouter
      • Cyco
      • Root Riot
      • Mondi
    • Leaf Shines and Washes
    • Pest and Disease Control
      • Insecticides and Fungicides
  • Growing Media and Containers
    • Growing Media
    • Pots and Containers
  • Growing Tents Systems and Trays
    • Tents / Indoor Greenhouses
    • Grow System/ Trays/ Reservoirs
  • Tools, Accessories and More
    • Plant Support
    • Hand Tools
    • Growing accessories
      • Growvision
      • Leaktite
    • Food and Water Storage
      • Boveda
    • Liquid and Weight Measuring
    • Reflective & Greenhouse Films
    • Harvest Solutions
    • Garden Hygiene and Safety
HM Digital HM Digital Water Resistant Ec/TDS Meter w/ Temperature in C/F Hydrotester (Model COM-80)
HM Digital™ EC/TDS HydroTester Model COM-80

The COM-80 is an economically priced, reliable EC/TDS meter that is ideal for testing applications such as hydroponics, gardening, pools, spas, aquariums, reef tanks, water ionizers, drinking water and more.
Add to cart
HM Digital HM Digital Water Resistant Ec/TDS Meter w/ Temperature in C/F Hydrotester (Model COM-80)
$46.44
HM Digital HM Digital TDS-3 Handheld TDS meter
Ideal for commercial use, the TDS-3 includes a carrying case with belt clip. It is highly efficient and accurate due to its advanced microprocessor technology. It features a measurement range of 0-9990 ppm. From 0-999 ppm, the resolution is in increments
Add to cart
HM Digital HM Digital TDS-3 Handheld TDS meter
$33.99
HM Digital Meters HM Digital AquaPro TDS/Temperature Meter
FEATURES

Measures total dissolved solids (TDS) and temperature
Automatic Temperature Compensation (ATC)
Water-resistant housing
Measurement Range: 0-5000 ppm
Digital Calibration (push button)
Auto-off function, data-hold function and low-battery i
Add to cart
HM Digital Meters HM Digital AquaPro TDS/Temperature Meter
$42.95
HM Digital Meters HM Digital 1000 ppm TDS Calibration Solution, 3 oz (90 ml)
Product Details

NaCl calibration solution 1000 ppm comes in lightweight HDPE plastic bottles. Sealed with a coated foam liner.
Add to cart
HM Digital Meters HM Digital 1000 ppm TDS Calibration Solution, 3 oz (90 ml)
$9.49
HM Digital HM Digital Waterproof pH Meter PH-200
HM Digital™ Waterproof pH Meter Model PH-200

Measures pH and temperature. Auto-ranging three point calibration with digital fine tuning. pH buffer 4 solution is in a sponge embedded in a clear cap. Measurement range: 0–14 pH with a waterproof housing.
HM Digital HM Digital Waterproof pH Meter PH-200
$108.07
HM Digital HM Digital pH 80 Meter
HM Digital™ pH Meter Model PH-80

Resolution: pH 0.1 pH, 0.00–14.0 pH. Accurate to +/-0.1 pH. Hold button and auto shut-off. Automatic calibration: Auto-ranging to 4, 7 or 10 pH. Very reliable and long lasting. Low battery indicator. Clear cap to notice
HM Digital HM Digital pH 80 Meter
$49.29
HM Digital HM Digital pH / TDS / EC / Temp meter
HM Digital™ pH/TDS/EC/Temp Meter Model COM-300

The COM-300 is an advanced waterproof combo meter with superior accuracy. The meter measures four parameters: pH, electrical conductivity (EC), total dissolved solids (TDS) and temperature. Features includ
Add to cart
HM Digital HM Digital pH / TDS / EC / Temp meter
$172.94

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668 wheeling Rd Wheeling Illinois 60090 - - Grow Store Specializing in Medical Cannabis, Hemp, Herbs, Microgreens, Indoor Gardening, Sustainable Living, and Bee Keeping Supplies
847-947-2857
[email protected]

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