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pH Testing & Control - Super Savings! Save up to 35%


Super Savings! Up to 35% off on pH Testing & Control at Grow Website. Top brands include Beepandles, huanhuatiancheng, Hydro Empire, Bluelab, Nicholson, Garden & Lawn Supply, pH Meters, Earth Juice, Botanicare, Test Assured, General Hydroponics, Oakton, Rx Green Solutions, Advanced Nutrients, & Gain Express. Hurry! Limited time offers. Offers valid only while supplies last.



3-in-1 Soil Tester Meter (Moisture, PH acidity & Light Tester),Suitable For Houseplants, Outdoor Plants, Bonsais, Succulents, Trees, Grass and Lawn,Indoor/Outdoors to Use, Easy Read Indicator (No Ba
3-in-1 Soil Tester Meter (Moisture, PH acidity & Light Tester),Suitable For Houseplants, Outdoor Plants, Bonsais, Succulents, Trees, Grass and Lawn,Indoor/Outdoors to Use, Easy Read Indicator (No Ba
By Beepandles
In Stock
$34.99

ean: 0710154785578,

4.8 out of 5 stars with 33 reviews
Size:3 in 1 Functions: Measure soil MOISTURE, PH and LIGHT levels Easy to use: No Battery needed, Plug and read Scientifically accurate: keep your plants in a healthy range How to use: Simply insert the probes into the soil, and you'll get your read...


huanhuatiancheng Digital LCD PH Meter Aquarium Pool Water Wine Urine Tester Analyzer (yellow)
huanhuatiancheng Digital LCD PH Meter Aquarium Pool Water Wine Urine Tester Analyzer (yellow)
By huanhuatiancheng
In Stock
$23.59

mpn: 4336465319, ean: 0781903574767,

4.0 out of 5 stars with 65 reviews
Huanhuatiancheng Handheld Pen Type PH Meter This pH meter is affordable and useful for those who need a PH tester for household and laboratory use, it's not only ideal for household or laboratory use, also suitable for testing pH balance of drinking...


General Hydroponics pH Down Quart - Lower Nutrients pH in Hydroponic Soil System - The Most Advanced Phosphoric Acid to Test in Your Garden Includes 5 Pipettes and Squeeze Bottle Solution Control Kit
General Hydroponics pH Down Quart - Lower Nutrients pH in Hydroponic Soil System - The Most Advanced Phosphoric Acid to Test in Your Garden Includes 5 Pipettes and Squeeze Bottle Solution Control Kit
By Hydro Empire
In Stock
$20.45

ean: 0812099022272,

4.7 out of 5 stars with 87 reviews
To maximize plant growth, the pH up and down level 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 expe...


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

mpn: BLU8001, ean: 9421024920586,

4.9 out of 5 stars with 68 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 4.0 Calibration Solution 500 ml, pH 7.0 Calibration Solution 500 ml
Bluelab pH 4.0 Calibration Solution 500 ml, pH 7.0 Calibration Solution 500 ml
By Bluelab
In Stock
$22.77

mpn: BL-COMBO-1,

4.1 out of 5 stars with 26 reviews
Calibration and conductivity standard solutions... a must in every grower's toolbox. The Bluelab calibration and conductivity standard solutions are essential for use with all Bluelab products for the calibration of pH and testing the cleanliness of...


Steam Trap, 600 psi, 3050,Max. Temp. 800°F
Steam Trap, 600 psi, 3050,Max. Temp. 800°F
By Nicholson
In Stock
$716.10

mpn: NA, ean: 7437844117152,

4.9 out of 5 stars with 121 reviews
Controls steam and condensate movement to maximize removal of latent heat from steam for efficient system operation. Stainless steel internal components. Compact trap can handle water hammer and superheat; installs easily in any position. The audible...


Bluelab Soil pH Meter Outdoor, Home, Garden, Supply, Maintenance
Bluelab Soil pH Meter Outdoor, Home, Garden, Supply, Maintenance
By Garden & Lawn Supply
In Stock
$279.99

mpn: OUTDRUKK4910234, ean: 5557889996047,

4.8 out of 5 stars with 86 reviews
PH Soil testing made simple! Most soils have a natural buffer for nutrients and pH, but when it goes wrong, it goes really wrong and fast! Yellow leaves, stunted growth, slow growth, are all signs that the plant is not getting the nutrients they need...


Digital Ph Meter + TDS Tester Aquarium Pool Hydroponic Monitor Water 0-9999 PPM
Digital Ph Meter + TDS Tester Aquarium Pool Hydroponic Monitor Water 0-9999 PPM
By pH Meters
In Stock
$22.83

ean: 0730337086926,

4.2 out of 5 stars with 133 reviews
Specifications pH Calibration Buffer Powder for pH4.00, pH6.86 Powder buffer solution provide indefinite or long shelf life and stability, ideal for low volume use. Each pack makes 250mL of buffer solution. It's lightweight, inexpensive and takes up...


Hydro-Organics Earth Juice pH Up 2lb
Hydro-Organics Earth Juice pH Up 2lb
By Earth Juice
In Stock
$22.12
4.0 out of 5 stars with 23 reviews
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 foliar spray solution for vastly improved nutrient availabi...


Botanicare pH DOWN Plant Supplement 0-15-0 Formula, 1-Gallon
Botanicare pH DOWN Plant Supplement 0-15-0 Formula, 1-Gallon
By Botanicare
In Stock
$25.21
$22.80
You Save: 10%

mpn: 757900732189, ean: 0757900732189,

4.2 out of 5 stars with 28 reviews
Use to lower 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 down solution is formulated at a 29% concentration rate making it easy to use for beginners and easy to cus...


Pocket pH Tester & Meter Kit With High Accuracy Digital Readout Kit Includes Everything You Need
Pocket pH Tester & Meter Kit With High Accuracy Digital Readout Kit Includes Everything You Need
By Test Assured
In Stock
$19.99
$12.99
You Save: 35%

mpn: 4336465308, ean: 0697691775203,

4.8 out of 5 stars with 87 reviews
All Inclusive Kit Contains: - 1 PH Tester - 1 Durable Plastic Carry case - 1 Screwdriver For Calibration - 2 Calibration Buffer Packets - 1 Instruction ManualCOMPLETE PH METER KIT: Includes carrying case, buffering agent, instruction manual, and cal...


Bluelab Leap pH Probe (Probe Only)
Bluelab Leap pH Probe (Probe Only)
By Bluelab
In Stock
$126.99

mpn: 716446, ean: 8927615884301,

4.1 out of 5 stars with 41 reviews
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,...


Botanicare pH Down Quart
Botanicare pH Down Quart
By Botanicare
In Stock
$28.99

mpn: 722190, ean: 8927615884950,

4.6 out of 5 stars with 32 reviews
With plants, nutrient availability can be affected by soil or solution pH. pH levels outside recommended ranges can lead to nutrient lockout and nutrient deficiencies resulting in stunted growth and poor appearance. Control pH levels, minimize proble...


General Hydroponics pH Control Kit Adjust for 8oz pH Up and Down GH Includes 5 Pipettes and Bonus Hydro Empire 4oz Measuring Cup Bundle. The Best GH pH Test kit for hydroponic Gardens on The Market!
General Hydroponics pH Control Kit Adjust for 8oz pH Up and Down GH Includes 5 Pipettes and Bonus Hydro Empire 4oz Measuring Cup Bundle. The Best GH pH Test kit for hydroponic Gardens on The Market!
By General Hydroponics
In Stock
$27.99
$22.95
You Save: 18%
4.2 out of 5 stars with 139 reviews
General Hydroponics ph up and down kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial and 5 pipettes for safe and easy pH level detection.This base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at ...


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

ean: 6853848720876,

4.3 out of 5 stars with 15 reviews
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 sim...


Oakton EcoTester CTS Pocket Conductivity, Salinity, and TDS Meter
Oakton EcoTester CTS Pocket Conductivity, Salinity, and TDS Meter
By Oakton
In Stock
$106.99

mpn: 716124, ean: 8927615883922,

4.3 out of 5 stars with 87 reviews
Oakton® Conductivity, TDS and Salinity in one meter. Expanded 4-digit dual-line display shows conductivity and temperature readings simultaneously. Additional key provides an easier, more intuitive interface. Improved cap functions as a sample cup a...


Rx Green Solutions Raise pH Adjuster, 32-Ounce
Rx Green Solutions Raise pH Adjuster, 32-Ounce
By Rx Green Solutions
In Stock
$9.79
$7.99
You Save: 18%

mpn: RXPHRS32, ean: 0851996004134,

4.1 out of 5 stars with 45 reviews
RAISE (32oz) is a pH adjuster that effectively increases low pH levels to the desired level using potassium hydroxide. Levels outside the recommended pH range can cause nutrient deficiencies and result in slowed growth. Most plants require a pH of 5....


Advanced Nutrients pH-Up 500mL
Advanced Nutrients pH-Up 500mL
By Advanced Nutrients
In Stock
$16.60

mpn: 3850-13, ean: 0845268012057,

4.3 out of 5 stars with 122 reviews
Acidity versus alkalinity are key factors in your crop's water and root zone, as measured by pH. If you have too high or too low pH, your crops cannot uptake nutrients, and may well be damaged or even killed. That's why smart growers daily monitor ...


Digital pH ORP 2 in 1 Controller with Separate Relays for pH and ORP
Digital pH ORP 2 in 1 Controller with Separate Relays for pH and ORP
By Gain Express
In Stock
$141.90

mpn: PH-803, ean: 0701936210692,

4.7 out of 5 stars with 85 reviews
Digital dual Controller for pH & ORP able tp display pH value and redox value (ORP) all at the same time in its LCD screen. Features Simultaneously measure pH & ORP and control other pH & ORP related CO²-plant (via pH value) and a ozoniser (via or...


Waterproof Ph Temperature Meter ATC Digital Water Quality Tester (Water Quality Tester (869-0))
Waterproof Ph Temperature Meter ATC Digital Water Quality Tester (Water Quality Tester (869-0))
By Gain Express
In Stock
$49.90
$42.90
You Save: 14%

mpn: 869-0, ean: 0701936207890,

4.9 out of 5 stars with 44 reviews
Applications Pools Aquariums Laboraties Aquaculture Car Washes Water Testing Waste water treatment and many more applications that require pH measurement Features Tested according to European international guidelines and standards (CE Marki...



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