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Environmental Controllers
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Kind Lighting
Commercial Lighting Fixtures
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LEC/CMH Lighting
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Sun System SE Reflectors
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Electronic Ballasts
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Fluorescent Lighting
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Budswel
Advanced Nutients
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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
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Growing Media and Containers
Growing Media
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Tools, Accessories and More
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Leaktite
Food and Water Storage
Boveda
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The Milwaukee Waterproof pH55 PRO pH/Temp. Tester is one of our most accurate cost effective, well rounded, rugged and reliable testers in the market featuring dual level LCD readouts, easily replaceable probe and extended pH ranges to meet almost any app
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Milwaukee Instruments Milwaukee PH55 PRO Waterproof pH & Temperature Tester with ATC & Replaceable Probe
$55.00
GH pH Down Liquid Quart
The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level.
General Hydroponics GH pH Down Liquid Quart
$13.70
The perfect solution to store and hydrate your Bluelab pH products. Bluelab pH Probe KCl Storage Solution is made specifically for use with Bluelab pH products. It is designed to increase response time and maximize the life of Bluelab pH pens and pH probe
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BlueLab Bluelab pH Probe KCl Storage Solution 120 ml
$14.70
The Milwaukee MW803 MAX Waterproof Low Range 4-in-1 pH/EC/TDS/Temp Tester is designed as an all-in-one solution for growers.
The Milwaukee MW803 MAX Waterproof 4-in-1 Tester offers:
ACCURACY
The MW803 MAX 4-in-1 tester is accurate to ±0.05 pH, EC/T
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Milwaukee Instruments Milwaukee MW803 MAX Waterproof Low Range 4-in-1 pH / EC / TDS/Temp Tester with Replaceable Probe
$156.20
Bluelab® Probe Care Kit for Conductivity Probes
The instrument is only as accurate as the probe is clean. Probe cleaning is one of the most important parts of owning or operating any Bluelab meter, monitor or controller. If the probe is contaminated or
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BlueLab Bluelab Nutrient Probe Care Kit Conductivity
$30.74
Bluelab pH Probe KCl Storage Solution 100 ml
The perfect solution to store and hydrate your Bluelab pH products. Bluelab pH Probe KCl Storage Solution is made specifically for use with Bluelab pH products. It is designed to increase response time and
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BlueLab Bluelab pH Probe KCl Storage Solution 100 ml
$12.58
Bluelab 2.77EC Conductivity Solution 250 ml
"The 2.77EC solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solution should be stored in a cool place out of direct sun and heat. Plea
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BlueLab Bluelab 2.77EC Conductivity Solution 250 ml
$12.00
Bluelab pH Probe KCI Storage Solution 250ml
The perfect solution to store and hydrate your Bluelab pH products. Bluelab pH Probe KCl Storage Solution is made specifically for use with Bluelab pH products. It is designed to increase response time and m
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BlueLab Bluelab pH Probe KCI Storage Solution 250ml
$24.50
Emerald Harvest pH Up Gallon/3.79 Liter
Keep your nutrient solution in the sweet spot with Emerald Harvest® pH Up. A pH reading below 5.5 is considered too acidic for most hydroponic gardens. This premium pH alkalizer allows you to raise the pH of you
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Emerald Harvest Emerald Harvest pH Up Gallon/3.79 Liter
$81.51
Emerald Harvest pH Up Quart/0.95 Liter
Keep your nutrient solution in the sweet spot with Emerald Harvest® pH Up. A pH reading below 5.5 is considered too acidic for most hydroponic gardens. This premium pH alkalizer allows you to raise the pH of your
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Emerald Harvest Emerald Harvest pH Up Quart/0.95 Liter
$26.68
GH pH Up Liquid Gallon
This Base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level.
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General Hydroponics GH pH Up Liquid Gallon
$35.87
pH Tester with 1 point manual calibration, ± 0.2 pH accuracy, range: 0.0 pH to 14.0 ph. Full-range pH tester. 30-day warranty, snap-over protective case, 7.01 calibration solution and calibration screwdriver are all included with unit.
Range: 0.0 to 14
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Milwaukee Instruments Milwaukee Instruments pH 600 pH Tester With 1 Point Manual Calibration
$28.95
CYCO pH Up 5 Liter
CYCO pH Up raises the total pH value of the made nutrient solution.
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Cyco CYCO pH Up 5 Liter
$22.00
Hades Down Quart
This blend of organic acids lowers your nutrient solution's pH. It's our pH down. Don't worry if you over shoot the down: just add some Olympus Up and see the benefits of adding more calcium.
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Nectar For The Gods Nectar For The Gods Hades Down Quart
$21.50
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
General Hydroponics® pH Control Kit
General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial.
General Hydroponics GH pH Control Kit
$22.98
General Hydroponics® pH Test Kit
General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial. Many experienced grow
General Hydroponics GH pH Test Kit 1 oz
$9.59
ONE-POINT RESOLUTION AND MANUAL CALIBRATION.
Milwaukee MW100 PRO pH meter is for users demanding fast, reliable results without the need for extra resolution or automatic calibration.
DESCRIPTION
The Milwaukee MW100 PRO pH meter features manual calib
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Milwaukee Instruments Milwaukee MW100 PRO pH Meter
$112.20
LAB GRADE. HIGH PERFORMANCE. AUTOMATED. TOUGH.
The Milwaukee MW102 PRO+ pH meter has won fans around the world with its reliable, fast and simple operation as well as its toughness. Accurate to ± 0.02 pH with automatic temperature compensation. Ideal for
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Milwaukee Instruments Milwaukee MW102 PRO+ 2-in-1 pH and Temperature Meter with ATC
$138.60
The Milwaukee EC/TDS Nutrient Meter is designed for Hydroponics, horticulture and agriculture to help you make sure that your vegetables and plants are receiving the right amount of nutrient to promote healthy growth with low to zero product waste. Keep E
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Milwaukee Instruments Milwaukee EC40 EC/TDS Nutrient Meter
$90.20
DIGITAL. SIMPLE. COMPACT.
The Milwaukee Conductivity Pen is designed for hydroponic and other growers to help you make sure that your plants are receiving the right amount of nutrient. Keep EC in your target range to help your achieve better results.
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Milwaukee Instruments Milwaukee CD611 Digital Conductivity Pen (EC)
$28.95
DIGITAL. SIMPLE. COMPACT.
The Milwaukee CD600 Total Dissolved Solids (TDS) Pen is designed for hydroponics, aquariums, horticulture, water conditioning and many other applications. The CD600 helps you make sure that your plants are receiving the right am
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Milwaukee Instruments Milwaukee CD600 Digital Total Dissolved Solids Pen (TDS)
$28.95
The Bluelab® Combo Meter Plus is an all-in-one, convenient portable solution for accurate measurement of pH, conductivity and temperature in nutrient solution. The battery-powered, lightweight unit can be used anywhere, anytime to measure critical paramet
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BlueLab Bluelab Combo Meter Plus
$379.00
Bluelab Carry Case
The Bluelab Carry Case provides a custom fit so you can use and read your Bluelab Meter right from the carry case. A firm outer casing offers impact reduction for your Meter. There are two pockets in the top of the case especially ma
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BlueLab Bluelab Carry Case
$29.00
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