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  Our Catalog   pH Testing & Control

pH Testing & Control - 10


Save on pH Testing & Control at Hotel Green House. Top brands include Milwaukee, General Hydroponics, Par Pro, 24-7 Nutrient Monitor, Bluelab, Earth Juice, & Future Harvest. Hurry! Limited time offers. Offers valid only while supplies last.



Milwaukee Instruments MW 101 (SM101) Smart pH meter BRAND NEW 2017 MODEL!
Milwaukee Instruments MW 101 (SM101) Smart pH meter BRAND NEW 2017 MODEL!
In Stock
$149.99

ean: 6853848719603,

MW101 performs pH measurements with a 0.01 pH resolution and with manual temperature compensation. It is a compact pH, and temperature portable meter with faster micro processor. These handy and ergonomically designed portable meters are ideal for an...


GH pH Up, 1 qt, case of 12
GH pH Up, 1 qt, case of 12
In Stock
$113.72
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...


Par Pro Hyper Arc HPS Lamp 1100W (12)
Par Pro Hyper Arc HPS Lamp 1100W (12)
In Stock
$720.99

ean: 0763598244200,

The Worlds Most Powerful Single-Ended Grow Lamp! Consistently Tested Over 2,380 umol! (Verified By UL) Par Pro 1,100 Watt HYPER ARC High-Pressure Sodium lamp delivers a staggering 2,380 umol on the Galaxy 1000 Watt Turbo setting! The HYPER ARC lamp h...


General Hydroponics GH1514 General Hydroponics Ph YowdvU Control Kit (Pack of 5)
General Hydroponics GH1514 General Hydroponics Ph YowdvU Control Kit (Pack of 5)
In Stock
$166.76

ean: 0793094246842,

pH controls is essential for stimulating vigorous plant growth. The pH scale measures acidity or alkalinity on a scale of 0-14. Below 7.0 the pH is acidic. Above 7.0 , the pH is alkaline. 7.0 is nuetral. The best pH for general plant growth is in the...


24-7 Nutrient Monitor
24-7 Nutrient Monitor
In Stock
$225.99

mpn: 716572, ean: 8927615884516,

A great all around meter for nutrient applications needing constant monitoring. It measures ppm, ph and temperature. Its large illuminated green lcd display allows easy reading from a distance. Both ph and ppm arepensated for accurate readings. The e...


Bluelab Leap pH Probe (Probe Only)
Bluelab Leap pH Probe (Probe Only)
In Stock
$125.99

mpn: 716446, ean: 8927615884301,

The 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 measurements in nutrient solution, soil, coco coir,...


Bluelab Combo Meter
Bluelab Combo Meter
In Stock
$305.99

mpn: 716441, ean: 8927615884271,

The Bluelab® Combo Meter is a conductivity, pH and temperature meter all in one. As the Bluelab® Combo Meter is portable and does not require a power supply to operate, it can be used anytime and anywhere to help you manage your crops daily nutrien...


Bluelab Multimedia pH Meter (Leap Probe Included)
Bluelab Multimedia pH Meter (Leap Probe Included)
In Stock
$209.75

mpn: 716443, ean: 8927615884288,

The 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 measurements in nutrient solution, soil, coco coir,...


Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line)
Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line)
In Stock
$186.99

mpn: 716497, ean: 8927615884509,

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...


Bluelab pH Controller - Connect
Bluelab pH Controller - Connect
In Stock
$635.99

mpn: 716343, ean: 8927615884127,

Our brainy pH controller connect constantly monitors and fine-tunes the pH levels for you. But more than that, it wirelessly data logs to your computer too, putting continuous information at your fingertips. Use the data to make system changes faster...


Bluelab Soil pH Pen
Bluelab Soil pH Pen
In Stock
$191.99

mpn: 716438, ean: 8927615884257,

The Bluelab® Soil pH Pen provides a pH and temperature reading of soils and media, so you know that the right nutrients will be made available to your plants. In soils or growing media, pH strongly influences the availability of the microorganisms t...


Bluelab Connect Stick
Bluelab Connect Stick
In Stock
$156.99

mpn: 716486, ean: 8927615884400,

The Bluelab® Guardian Monitor Connect, Bluelab® Connect Stick, Bluelab® Connect Range Extender and Bluelab® Connect Software. The Bluelab® Guardian Monitor Connect can connect wirelessly to a computer at the grow site via the Bluelab® Connect S...


Bluelab Guardian Monitor Connect In-Line
Bluelab Guardian Monitor Connect In-Line
In Stock
$499.95

mpn: 716485, ean: 8927615884394,

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...


Bluelab Pro Controller
Bluelab Pro Controller
In Stock
$1,108.99

mpn: 716489, ean: 8927615884424,

Bluelab® Pro Controller Automated pH and nutrient controller gives you full control of reservoir pH, conductivity and temperature in one place. When connected to a dosing system the Bluelab® Pro ControllerTM manages pH, conductivity and temperature...


Bluelab PowerPod
Bluelab PowerPod
In Stock
$557.99

mpn: 716492, ean: 8927615884455,

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


Earth Juice Natural Down 25 lb
Earth Juice Natural Down 25 lb
In Stock
$249.99

mpn: 722178, ean: 8927615884929,

pH adjusting crystals that will, once and for all, eliminate the hassles and worries of spilling, splashing and dealing with harsh liquid pH adjusters. Use to adjust the pH of fertilizer and plant micronutrient foliar solutions.Earth Juice® Natural ...


Future Harvest Grow Boss - Nutrient Monitor
Future Harvest Grow Boss - Nutrient Monitor
In Stock
$306.99

mpn: 716367, ean: 8927615884196,

The Nutradip® GrowBoss is a nutrient monitoring system that assists growers in achieving maximum results for their growing efforts. The GrowBoss is a constant monitoring meter that indicates to the grower the exact levels of nutrient strength, pH an...


Bluelab Guardian Connect
Bluelab Guardian Connect
In Stock
$456.99

mpn: 716484, ean: 8927615884387,

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 Connect Range Extender
Bluelab Connect Range Extender
In Stock
$170.99

mpn: 716488, ean: 8927615884417,

The Bluelab® Guardian Monitor Connect, Bluelab® Connect Stick, Bluelab® Connect Range Extender and Bluelab® Connect Software. The Bluelab® Guardian Monitor Connect can connect wirelessly to a computer at the grow site via the Bluelab® Connect S...


Bluelab Guardian Monitor
Bluelab Guardian Monitor
In Stock
$405.99

mpn: 716336, ean: 8927615884103,

Adjustable brightness display. Large easy to read, plant safe green LED displays. Selectable values for conductivity and temperature. Simple push button pH calibration system. No calibration required for conductivity and temperature. Silent alarm for...



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