Wholesale Growers Direct
Wholesale Growers Direct
×
  • Home
  • Shop
    • Grow Lights
    • Plant Nutrients
    • Hydroponics
    • Soil/Media
    • Climate Control
    • Seed Starting
    • Garden Supplies
    • Pest Control
    • Harvest & Storage
    • Books & Videos
  • Commercial / Wholesale
  • Sign In
  • My Account
  • Help
  • Logout
Menu
  • Home
  • Shop
    • Grow Lights
    • Plant Nutrients
    • Hydroponics
    • Soil/Media
    • Climate Control
    • Seed Starting
    • Garden Supplies
    • Pest Control
    • Harvest & Storage
    • Books & Videos
  • Commercial / Wholesale
  • Sign In
  • My Account
  • Help
  • Logout
$0.00 Cart
×
Home » Hydroponics » Meters & Solutions
  • icon Grow Lights (307)
    • Systems/ Kits (37)
    • LEDs (50)
    • Fluorescents (75)
    • Reflectors (6)
    • Lamps/ Bulbs (49)
    • Ballasts (6)
    • Parts/ Accessories (84)
  • icon Fertilizers & Nutrients (1620)
  • icon Hydroponics (592)
    • Hydro Systems (48)
    • Supplies/ Parts (81)
    • Meters & Solutions (47)
    • Pumps & Irrigation (193)
    • Water Filtration (28)
    • Pots/ Containers (151)
    • Grow Tents (44)
  • icon Potting Soil & Mixes (186)
  • icon Climate Control (349)
    • Controllers (49)
    • Ventilation (161)
    • Air Purification (104)
    • CO2 Systems (35)
  • icon Seed Starting (96)
  • icon Garden Supplies (217)
  • icon Pest Control (185)
  • icon Harvest & Storage (34)
  • icon Books & Videos (0)
  • Active Air 2-Way Moisture/pH Meter

    Gardeners can conveniently test moisture and pH levels with the handy Active Air 2-Way Meter. Moisture readings register on a ...

    $6.49

  • Active Air 3-Way Meter

    Gardeners can conveniently test their moisture, light, and pH levels with the handy Active Air 3-Way Meter. Moisture readings register ...

    $7.57

  • Active Aqua Hydroponic pH Test Kit

    (Wide Spectrum) Measures 3-10 pH. The Hydroponic pH test kit is good for 150 tests. At the rate of 3 tests ...

    $3.82

  • Autopilot Digital pH Controller

    The Autopilot Digital pH Controller (APCEPH1) accurately and reliably measures and controls the pH of any water-based solution, including hydroponic ...

    $290.15

  • Cutting Edge Solutions pH Down, 1 gal, case of 4

    CES pH Down™Concentrated pH adjustment liquid, acidic buffer lowers water and nutrient solution pH. Highly concentrated, use conservatively. Slowly add to ...

    $73.96

  • Cutting Edge Solutions pH Down, 1 qt, case of 12

    Size: 1 qt

    $90.01

  • Cutting Edge Solutions pH Up, 1 gal, case of 4

    CES pH Up™Concentrated pH adjustment liquid, alkaline buffer raises water and nutrient solution pH. Highly concentrated, use conservatively. Slowly add ...

    $73.96

  • Cutting Edge Solutions pH Up, 1 qt, case of 12

    Size: 1 qt

    $90.01

  • Dyna-Gro pH-Down 1-5-0, 1 qt

    pH-Down 1-5-0 is a Dyna-Gro product used to lower the pH of water.What is pH? pH is a measure of acidity ...

    $10.89

  • GroStar EC Calibration Kit (2.77 EC, 8 oz. each)

    GroStar by Apera EC Calibration Kit (2.77 EC, 8 oz. each) • 2.77 EC conductivity standard calibration solution• Used as a reference or ...

    $10.36

  • GroStar GS1 pH Pen

    AI11010 - GroStar GS1 pH PenLab grade instruments designed specifically for growers!Includes: • 2-year warranty (instrument)• 1-year warranty (probe)• pH 7 ...

    $83.97

  • GroStar GS1-E replacement pH electrode

    AI58010 - GroStar GS1-E replacement pH electrode • Replacement GS1 probe measures pH and temperature• Premium probe technologies and materials ensure high accuracy ...

    $35.29

  • GroStar GS2 Soil pH Pen

    AI31020 - GroStar GS2 Soil pH PenLab grade instruments designed specifically for growers!Includes: • 2-year warranty (instrument)• 1-year warranty (probe)• pH ...

    $177.87

  • GroStar GS2-E replacement Soil Spear pH electrode

    AI58020 - GroStar GS2-E replacement Soil Spear pH electrode • Spear pH Probe measures pH and temperature in nutrient solution, soil, coco ...

    $125.96

  • GroStar GS3 EC Pen

    AI11030 - GroStar GS3 EC/PPM/Temp PenLab grade instruments designed specifically for growers!Includes: • 2-year warranty (instrument)• 1-year warranty (probe)• 2.77 EC ...

    $78.89

  • GroStar GS3-E replacement EC electrode

    AI58030 - GroStar GS3-E replacement EC electrode • Measures conductivity EC, PPM (500), PPM (700) and temperature• Premium probe technologies and materials ensure ...

    $37.36

  • GroStar GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen

    AI21040 - GroStar GS4 pH/EC/500ppm/700ppm & Temp (5-in-1) Combo PenLab grade instruments designed specifically for growers!Includes: • 2-year warranty (instrument)• 1-year ...

    $123.88

  • GroStar GS4-E replacement pH/EC combo electrode

    AI58040 - GroStar GS4-E replacement pH/EC combo electrode • Measures pH, conductivity (EC and PPM) and temperature• Combo probe built with lithium glass ...

    $55.35

  • GroStar pH calibration kit (pH 4/7, 8 oz. each)

    GroStar by Apera pH calibration kit (pH 4/7, 8 oz. each) Kit includes:  (1) 8 oz. pH 4.0 calibration solution (1) 8 ...

    $13.13

  • GroStar pH calibration kit (pH 4/7/10, 8 oz. each)

    GroStar by Apera pH calibration kit (pH 4/7/10, 8 oz. each) Kit Includes: (1) pH 4.0 calibration solution 8 oz. (1) pH 7.0 ...

    $20.05

  • GroStar pH Probe Maintanence Kit

    All-in-one maintanence kit provides everything you need to maintain, clean and store your GroStar pH probe Kit Includes:  3M KCL storage solution (4oz.) Cleaning solution ...

    $16.59

  • HM Digital Replacement pH Sensor Probe for HM-500

    HM-500 Replacement pH probe2 Meter / 80 inch cable lengthIncludes pH storage solution, 6-month warranty

    $41.51

  • HM Digital 1000 ppm TDS Calibration Solution, 3 oz (90 ml)

    NaCl calibration solution 1000 ppm comes in lightweight HDPE plastic bottles. Sealed with a coated foam liner.

    $6.56

  • 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 ...

    $24.74

  • HM Digital COM-100 Waterproof EC/TDS/Temp Combo Meter

    Ideal for all water quality testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, ...

    $53.00

  • HM Digital COM-80 EC/TDS/Temp Waterproof Hydro Tester

    The COM-80 is an economically priced, reliable EC/TDS meter that is ideal for testing applications such as hydroponics & ...

    $29.73

  • HM Digital HydroMaster HM-100 Continuous pH/EC/TDS/Temp Monitor

    The HM Digital HydroMaster HM100 conveys 3 critical parameters for successful gardening. The HM100 is a versatile continuous monitor that ...

    $196.08

  • HM Digital HydroMaster Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp

    HydroMaster Digital testers make monitoring water easier than ever by reading the levels that matter most and providing accurate readings ...

    $248.02

Page 1 of 212»

Products

  • Books & Videos
  • Climate Control
  • Garden Supplies
  • Grow Lights
  • Harvest & Storage
  • Hydroponics
  • Pest Control
  • Plant Nutrients
  • Seed Starting
  • Soil / Media
Menu
  • Books & Videos
  • Climate Control
  • Garden Supplies
  • Grow Lights
  • Harvest & Storage
  • Hydroponics
  • Pest Control
  • Plant Nutrients
  • Seed Starting
  • Soil / Media

Best Sellers

  • Anden Industrial Dehumidifier, 130 Pints/Day
  • Organic Laboratories
  • Grabber
  • FoxFarm Cultivation Nation Veggie
  • BioAg CytoPlus™, 50 lb
  • Total Grow Control Eden LT - Batch Only
  • Foxfarm
  • House & Garden Amino Treatment, 1000 L
  • Rhizoflora
  • FoxFarm Happy Frog Potting Soil

Company

  • About
  • We are here to help!
  • Why shop with us?
  • Free shipping policy
  • Our guarantee
Menu
  • About
  • We are here to help!
  • Why shop with us?
  • Free shipping policy
  • Our guarantee

Support

  • How to order
  • Shipping & delivery
  • Track your order
  • Returns & exchanges
  • Privacy policy
Menu
  • How to order
  • Shipping & delivery
  • Track your order
  • Returns & exchanges
  • Privacy policy

Copyright ©2021
All rights reserved

In order to provide our best pricing please select your shipping state.

Login

Create Account | Lost your password?

Wholesale Growers Direct
Proudly powered by WordPress Theme: Wholesale Growers Direct.
Skip to content
Open toolbar

Accessibility Tools

  • Increase Text
  • Decrease Text
  • Grayscale
  • High Contrast
  • Negative Contrast
  • Light Background
  • Links Underline
  • Readable Font
  • Reset