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pH Testing & Control - Mega Sale! Save up to 24%


Mega Sale! Up to 24% off on pH Testing & Control at Medical Marijuana Listing. Top brands include Krittapas Intertrade, General Hydroponics, CPTCAM, BloomGrow, Anura, YARUIFANSEN, Bluelab, haizhenlee, Garden & Lawn Supply, Safer Gro, & Botanicare. Hurry! Limited time offers. Offers valid only while supplies last.



PH868-5 Digital Waterproof Water Quality pH Measurement Test Tool
PH868-5 Digital Waterproof Water Quality pH Measurement Test Tool
In Stock
$106.83

mpn: PUEGSAGIKA-BK-1081, ean: 0799789636752,

Description : PH868-5 Digital Waterproof Water Quality pH Measurement Test Tool Features : Automatic Calibration with just a push of a button Easy 3 points Calibration (pH 4.00, 7.00, 10.00) Comes with the Standard Buffer Solutions pH4.0, pH7.0 and p...


General Hydroponics pH Up 8 oz Base, case of 12
General Hydroponics pH Up 8 oz Base, case of 12
SKU: #FHHYMS0040
In Stock
$91.75

sku: FHHYMS0040, mpn: GH1521, ean: 0793094000000,

To maximize plant growth, the pH content of your nutrients should be slightly acidic. Experienced growers consider the ideal pH for most crops to fall between 5.5 and 6.5. Users of General Hydroponics nutrient products generally do not experience pro...


Pocket LCD Display Digital PH Meter - QIYAT PH Monitor Detector, Water Quality Tester with Temperature Monitor PH 0~14.00, ATC and External Electrode for Pools, Aquariums, Fish Tank
Pocket LCD Display Digital PH Meter - QIYAT PH Monitor Detector, Water Quality Tester with Temperature Monitor PH 0~14.00, ATC and External Electrode for Pools, Aquariums, Fish Tank
In Stock
$70.59

ean: 8419391114364,

Specifications: Measuring Range: 0.00~14.00 ph Resolution: 0.02 pH Use Environment: RH 95%, 0-50℃(32~122℉ ) Adjustment: trimmer potentiometer Battery: 4×1.5V LR button cell Product Size: 7.8*1.6*1.8 inches Weight: 3.2 oz Package List: 1...


BloomGrow CO2 Pressure Flow Regulator with a Solenoid Valve Hydroponic Gardening Accessory
BloomGrow CO2 Pressure Flow Regulator with a Solenoid Valve Hydroponic Gardening Accessory
In Stock
$56.84

ean: 0711666127672,

Description: High quality CO2 regulator made from precision instruments. Designed for grow rooms and green houses to enhance CO2 to the growing environment. Combines a precision regulator, flow gauge, and industrial solenoid valve Features: Pre-set ...


Anura EP70 Replacement Electrode Probe
Anura EP70 Replacement Electrode Probe
In Stock
$96.00
$90.00
You Save: 6%

ean: 0784672854603,

4.2 out of 5 stars with 57 reviews
This part allows for the quick and easy replacement of your electrode probe so that you don't have to always buy another brand new unit everytime your electrode expires.High Quality Replacement Electrode Probe. Ability To Replace Electrode Probe Only...


AZ8692 Long Tube Water Pen type pH tester ATC with Portable digital IP65 Water Quality Tester
AZ8692 Long Tube Water Pen type pH tester ATC with Portable digital IP65 Water Quality Tester
In Stock
$103.21
$99.00
You Save: 4%

ean: 0792855102656,

4.0 out of 5 stars with 49 reviews
Product Name: AZ8692 handheld laboratory ph meter PH range: 0.00-14.00 PH Accuracy: +/- 0.1 PH resolution: 0.01 Temp Range: 0-60.0 ℃ Temp accuracy: ± 1 ℃ Temp resolution: 0.5 ℃ LCD monitor size: 29 * 22.5mm Operating temperature: 0-50 ℃ Oper...


Bluelab Multimedia pH Meter with Leap pH Probe
Bluelab Multimedia pH Meter with Leap pH Probe
In Stock
$249.00

mpn: 716443, ean: 9421024920951,

Bluelab® Multimedia pH Meter with LeapTM pH ProbeThe perfect, portable way to accurately measure and monitor pH levels in a wide range of media. We have combined the Bluelab® Multimedia pH Meter and Bluelab® LeapTM pH Probe to take fast accurate m...


Portable 2 in 1 Water Quality Digital pH / TDS Meter 0~19.99ppt Mini Tester Hydrophonics Aquarium
Portable 2 in 1 Water Quality Digital pH / TDS Meter 0~19.99ppt Mini Tester Hydrophonics Aquarium
In Stock
$59.99

ean: 0767520381766,

This 2-in 1 Combo pH & TDS mini tester helps you monitor and measure the pH level and the Total Dissolved Solids (TDS) of a solution. It is more convenient to use with its big LCD display and the pH and TDS electrode are separated, making the measure...


Bluelab Guardian Monitor Connect
Bluelab Guardian Monitor Connect
In Stock
$439.95
$332.24
You Save: 24%

mpn: BLU8001, ean: 9421024920586,

4.3 out of 5 stars with 9 reviews
The Bluelab® Guardian Monitor Connect is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient solution, it also data logs these critical parameters to your computer for you. It does not stop there....


Bluelab pH Controller BRAND NEW 2017 Model
Bluelab pH Controller BRAND NEW 2017 Model
In Stock
$439.99

ean: 6853848721323,

• Water resistant, wall mount design • 13 foot (4 meter) acid/alkali resistant dosing tube supplied • Use with undiluted Bluelab pH Up or Down • International power supply • Replaceable double junction pH probe • Separate Bluelab Temperat...


Bluelab External Lockout and Alarm Box
Bluelab External Lockout and Alarm Box
In Stock
$69.99

ean: 9421024920913,

Use the Bluelab® External Lockout & Alarm Box to connect the Bluelab® Pro Controller™ to external switches, for example - a float switch or a greenhouse alarm system. When these switches are activated, the Bluelab® Pro Controller™ is placed in...


Bluelab Combo Meter (pH, Conductivity, and Temperature)
Bluelab Combo Meter (pH, Conductivity, and Temperature)
In Stock
$249.99

ean: 6853848720876,

It's all you need for simple and reliable crop management, and it's all within arm's reach! The Bluelab Combo Meter is a conductivity, pH and temperature meter all in one. The Bluelab pH Probe and the Bluelab Conductivity/Temperature Probe are simply...


Bluelab PeriPod M3
Bluelab PeriPod M3
In Stock
$872.45
$865.99

ean: 9421024920876,

Use the PeriPod™ M3 doser with the Bluelab® Pro Controller™ for a fully integrated solution for optimal reservoir dosing. The Bluelab® PeriPod™ M3 is a simple and reliable inclusion that has 1x 120ml (4fl oz)/min peristaltic pump for dosing p...


Bluelab pH Pen for Plant Germination Outdoor, Home, Garden, Supply, Maintenance
Bluelab pH Pen for Plant Germination Outdoor, Home, Garden, Supply, Maintenance
In Stock
$141.12

mpn: OUTDR-UKK-4911213, ean: 5557890005837,

Plants get their nutrient from minerals but they can only get all the right minerals they need if certain conditions are right. Think of nutrients like a lock. pH is the key. A key factor that affects food uptake is whether your solution is acid or a...


Bluelab PeriPod L3
Bluelab PeriPod L3
In Stock
$2,089.25
$2,079.51

ean: 9421024920883,

Peripod™ L3 doser is designed to be teamed with the Bluelab® Pro Controller™ for a fully integrated solution for optimal reservoir dosing. The Bluelab® PeriPod™ is a simple and reliable inclusion which has 1x 1200ml/min, 40fl oz/min peristalt...


Bluelab PowerPod
Bluelab PowerPod
In Stock
$529.99

ean: 9421024920906,

The Bluelab® PowerPod™ is an electronically controlled mains switching box that is designed to activate mains powered equipment via control signals from a Bluelab® controller. The Bluelab® PowerPod™ is ideal for use when using a Bluelab® Pro ...


Safergro 9920 pH Down - Gallon
Safergro 9920 pH Down - Gallon
In Stock
$201.49
$160.15
You Save: 21%

mpn: 9920, ean: 0644189992031,

4.0 out of 5 stars with 36 reviews
Certified Organic Acidifier. pH Down is an additive designed to use where the pH needs to be lowered into a more acidic range. The organic acid present in pH Down gently lower the pH of water, making nutrients more available and increasing uptake. pH...


Botanicare pH UP Plant Supplement 0-0-16 Formula, 1-Quart (12-Pack)
Botanicare pH UP Plant Supplement 0-0-16 Formula, 1-Quart (12-Pack)
In Stock
$108.80
Use to raise the pH of nutrient solutions. A pH of 5.5-6.5 is recommended for proper nutrient uptake in most plant varieties. Botanicare's pH Up solution is formulated at a 29% concentration rate making it easy to use for beginners and easy to custom...


Anura Lab Quality Pocket Size Digital pH Temperature Meter Tester For Drinking Water, Pool, Aquarium, And Hydroponic Use | .01pH Resolution
Anura Lab Quality Pocket Size Digital pH Temperature Meter Tester For Drinking Water, Pool, Aquarium, And Hydroponic Use | .01pH Resolution
In Stock
$150.00
$120.00
You Save: 20%

ean: 0784672854566,

4.8 out of 5 stars with 19 reviews
The pH50 is built to last with easy to use calibration. It has a Large LCD to display both pH and temperature (Fahrenheit version) at the same time. Water-proof and dust-proof, a IP67 rated body. Able to replace the electrode module probe, this means...


Bluelab Guardian Monitor Connect In-Line
Bluelab Guardian Monitor Connect In-Line
In Stock
$493.50
$487.01
You Save: 1%

mpn: MONGUACONIN, ean: 9421024920807,

The Bluelab Guardian Monitor Connect Inline is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient solution, it also data logs these critical parameters to your computer for you. It does not stop t...



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