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, Bluelab, Nicholson, Garden & Lawn Supply, pH Meters, Earth Juice, Botanicare, Test Assured, General Hydroponics, Oakton, Rx Green Solutions, Advanced Nutrients, Gain Express, & The Aquaponic Source. 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 reading Ideal tool for indoor/outdoor plants, help your plants grow healthy and strong Specifications: PH Range: 3.5-8 Ph (3.5-6.5 ACID, 7 NOR, 7-8 ALKALI) Moisture Range: 1-10 (1-3 DRY, 4-7 NOR, 8-10 WET) Relative Light: 0-2000 lux (0-200 LOW,


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 water,pool, aquarium,food Project, RO system, Spa, or hydroponics. Great for kids school science experiments. Test different bottled waters or even your homemade sauerkraut High Quality and Durable it's highly accurate for measuring range of 0-14


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. You can access the data via the cloud from a remote mobile device or computer to check for extreme variances to ensure these critical parameters are hitting the mark for crop success. Just one Bluelab® Connect Stick is required to receive wireless


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
$34.77

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 the Bluelab Conductivity/Temperature probe. Bluelab solutions are manufactured specifically for Bluelab products and are referenced to high laboratory standards to ensure your Bluelab products last longer and maintain accuracy. Bluelab's EC/CF


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 discharge makes checking operation simple. Suitable for use in kettles, steam main drips, and steam tracing.Specification: Item: Steam Trap(F)NPT Connections: 3/4''Max. Operating PSI: 600 psiEnd to End Length: 2-13/16''Condensate Capacity Lbs/Hr:


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 from the soil. This is often caused by 'lock up'. This is a situation where the plant loses the ability to absorb specific nutrient elements because the pH value of the soil is incorrect. This needs to be dealt with quickly, so the Blue lab Soil pH


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 very little space. These buffers are accurate to within ±0.01pH units at 25°C and remain stable over long periods of time. Directions For Use Completely empty the powder into a clean 250mL glass beaker. Add 250mL of Deionized Water to the beaker.


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 availability with the extra inclusive bonus element of chelation for even better plant health. Proper pH is vital for healthy plant life.Earth Juice Natural pH Up, 2 lb.


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 customize for advanced growers. Botanicare's pH down is a 29% concentrated phosphoric acid solution that rapidly lowers pH levels with its gentle, non-burning formula.Decreases pH of nutrient solutions. Ammonium free. Highly concentrated. Dye free


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 calibration screwdriver. Everything you need to get started.. FAST ACCURATE RESULTS: Gives you a quick pH Reading of 0-14 with LCS display for easy reading.. NEVER WORRY ABOUT STRIPS AGAIN: No more using pH testing strips to get a reading, this meter


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, rockwool, potting mix and many other media types. Calibration is simple with one push button on the meter and fresh Bluelab® Calibration Solutions. Successful calibration indicator is displayed on screen for 30 days to indicate when re-calibration


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 problems and maximize your plants' full potential with Botanicare's pH Up and pH Down solutions. Botanicare's pH Up consists of a 29% concentrated Potassium Hydroxide solution that has an extremely low level of phytotoxicity and does not contain salts or


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 a time when your nutrient pH is too low in order to raise the pH to the proper level. This powder based formula is made to raise the pH in a reservoir. Lightweight in comparison to liquids.Acid formulated using food grade Phosphoric acid. Just add a


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 simply placed into the solution and the selected reading is displayed on screen. 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 nutrient


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 and as a stabilizing base to stand the meter upright. Rugged IP67-rated housing is waterproof and floats. Battery level indicator flashes when battery is low. Batteries are included. Conductivity Accuracy: 2% full-scale 1 LSD. TDS Accuracy 2%


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 5.5-6.5.Scientifically developed for professional growers worldwide. Effectively increases low levels of pH to desired levels. Promotes nutrient intake and faster growth rates. Active ingredient: potassium hydroxide. Apply directly to pre-mixed


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 and adjust optimum pH levels for hydroponics, sphagnum moss, coco coir, rockwool, aeroponics, soil, and other types of plant growth media. Some companies make cheap, inferior pH adjustment products that never achieve consistent results; some of those


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 orp value) Simultaneously regulates the pH and redox values in liquids APPROVED BY STRICT QUALITY AND SAFETY STANDARDS ensures a reliability, stability, long and trouble-free life and can be transported easily Gives you an option to mount it on the


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 Marking) Professional pH Meter with very high accuracy 100% totally protected against Dust and Splashproof Replaceable pH electrode Able to protect against powerful water jets Automatic & Manual Calibration No tools or trimmers needed for


The Aquaponic Source AquaIron DTPA Chelated Iron 10%
The Aquaponic Source AquaIron DTPA Chelated Iron 10%
By The Aquaponic Source
In Stock
$21.95

mpn: 4336465134,

4.4 out of 5 stars with 52 reviews
This is one of the few additives that most aquaponics professionals agree needs to be regularly added to most aquaponics systems for the treatment and prevention of yellow leaf (Chlorosis). DTPA is the best form of chelated iron because it is 100% effective from a pH of 6.0 - 7.5. Directions: Iron levels in an aquaponics system should be at 2 - 3 ppm. You can measure this using an iron checker. If you don't have a Checker and are just responding to yellowing leaves then we recommend adding



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