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pH Testing & Control - 183 - Page 2 - Extreame Savings! Save up to 50%


Extreame Savings! Up to 50% off on pH Testing & Control at Buy Online Guru, Page 2. Top brands include General Hydroponics, GH pH, Trahion, Jenco, Luster Leaf, unbrand, Unido Box, KKmoon, Earth Juice, Pancellent, diymore, HDE, Gain Express, BeneStellar, Garden & Lawn Supply, Fox Farm, MChoice, Bluelab, & LASHOP. Hurry! Limited time offers. Offers valid only while supplies last.



General Hydroponics GH1514 General Hydroponics Ph gSQUJb Control Kit (Pack of 2)
General Hydroponics GH1514 General Hydroponics Ph gSQUJb Control Kit (Pack of 2)
By General Hydroponics
In Stock
$37.77

ean: 0793094246859,

4.6 out of 5 stars with 193 reviews
The pH Control Kit by General Hydroponics provides everything you need for testing the pH level of the nutrient solution in your hydroponic system. pH control is essential for stimulating vigorous plant growth. Vital elements in nutrient solution having pH that is too high (basic) or too low (acidic) cannot be properly absorbed by plants. Incorrect nutrient solution pH can cause slow growth, sickly plants and low yields. The kit contains pH UP (potassium hydroxide), pH DOWN (phosphoric acid),


GH pH Down Liquid Quart 722120
GH pH Down Liquid Quart 722120
By GH pH
In Stock
$15.53

mpn: 722120, ean: 0791090258050,

4.6 out of 5 stars with 60 reviews
The Acid formulation uses food grade Phosphoric acid to lower the pH to the proper level. This powdered acid formula is easy to handle and ship. Lightweight in comparison to liquids. Widely recognized as a consistent and reliable product.BAY HYDRO LLC Ships in 24 HOURS, Don't believe the Estimated Date, As we are ''SUPER FAST''.


Hunsp Professional Measuring Soil Moisture Meter PH Level Tester for Plants Flowers
Hunsp Professional Measuring Soil Moisture Meter PH Level Tester for Plants Flowers
By Trahion
In Stock
$30.99

mpn: 4336465326, ean: 8883685451266,

4.3 out of 5 stars with 80 reviews
Description: Features: Battery is no need. Could test soil pH soil fertility Suggest to use indoors or outdoors convenient to use, simple to operate, solid quality Accurate results Specifications:  Material: Plastic Soil PH Measurement Range: About 2.5 - 10.0 pH Accuracy: About ±0.25 pH(20℃)±0.2 pH (Suitable for farm or education experiments) Working Temperature: About 0 - 50°C(32-122°F) Calibration: Manual point 1 Measurements: About 11cm/4.33'' X 6cm/2.36'' Length of Probe: About


Jenco pH 610 Portable Pocket Meter Tester Pen for Hydroponics, Pools & Spas, and Aquariums
Jenco pH 610 Portable Pocket Meter Tester Pen for Hydroponics, Pools & Spas, and Aquariums
By Jenco
In Stock
$55.00
4.9 out of 5 stars with 88 reviews
The Jenco pH 610 is the perfect portable ''pocket'' pen tester and meter for all of your pH measurement needs. It's super easy to use, and has single point calibration. Comes with 4 x 1.5 V Batteries. Has a 0.1 pH Resolution and a 0.2 pH Accuracy reading.Super Easy to Use. Ultra Portable, Easily Fits Inside Your Pocket For Your Convienience. Single Point Calibration, Has a 0.1 pH Resolution & 0.2 pH Accuracy. Extremely Light Weight. PERFECT For Hydroponics, Pools & Spas, Aquariums, Beer, Wine &


Rapitest pH Meter
Rapitest pH Meter
By Luster Leaf
In Stock
$12.64

mpn: 1840, ean: 0035307018403,

4.4 out of 5 stars with 32 reviews
Rapitest, Soil PH Meter, Checks Which Plants Suit Your Soil, PH Tells You How To Alter Soil PH, A PH Preference Guide For More Than 400 Plants Is Included With The Meter.Luster Leaf. 1840. 6. NEW. 3.


Digital Ph Meter + TDS Tester Aquarium Pool Hydroponic Water Monitor 0-9999 PPM
Digital Ph Meter + TDS Tester Aquarium Pool Hydroponic Water Monitor 0-9999 PPM
By unbrand
In Stock
$12.90

ean: 0791511110851,

4.4 out of 5 stars with 75 reviews
*Measuring pH Range: 0.0 - 14.0 pH *Resolution: 0.1 pH *Accuracy: ±0.1 pH (at 20°C/68°F), ±0.2 pH *Operating Temperature: 0 - 50°C (32 - 122°F) *Calibration: Manual, 1 point *Relative Humidity:Brand New and High Quality. Excellent meter, very accurate and durable. With protective plastic case and calibration screwdriver. An ideal instrument for aquarium, fishing industry, swimming pool, school laboratory, food & beverage etc. In addition, you must calibrate this tester whenever the


PÜRATest pH Meter and TDS Meter (Beige) Combo Pack with pH Buffer Powder Solution - Water Testing Meter Accurate Reading, Auto Calibrate, Temperature, Lock LCD Screen - Drinking water, pools, aquarium
PÜRATest pH Meter and TDS Meter (Beige) Combo Pack with pH Buffer Powder Solution - Water Testing Meter Accurate Reading, Auto Calibrate, Temperature, Lock LCD Screen - Drinking water, pools, aquarium
By Unido Box
In Stock
$13.95

mpn: 4336465288, ean: 0689214227344,

4.4 out of 5 stars with 115 reviews
pH Meter Tester: - No calibration needed for new purchased item, just immerse the electrode and wait for about 30~60 seconds to get the accuracy readings. - Use the 6.86 pH buffer powder for calibration after a long time /frequently using or when ultra accuracy is needed. Specifications: - Measuring range: 0.0 ~ 14.0 PH - Resolution: ± 0.01 PH - Accuracy: ± 0.05 pH (20°C/ 68°F) - Batteries: 2 x 1.5V batteries (included) - Automatic temperature compensation: 0~50°C /122°F Dimensions: 5.85


KKmoon Water Quality Analysis Device Professional & Power-saving pH-006 Pen-Type pH Meter High Precision with Automatic Temperature Compensation ATC Function Auto Calibration and Backlight LCD
KKmoon Water Quality Analysis Device Professional & Power-saving pH-006 Pen-Type pH Meter High Precision with Automatic Temperature Compensation ATC Function Auto Calibration and Backlight LCD
By KKmoon
In Stock
$15.99

mpn: 4336465315, ean: 0714424444264,

4.8 out of 5 stars with 141 reviews
This pen-type pH meter is professional and useful water quality tool for testing pH of the solution level. Suitable for aquarium pool, drinking water and environment water. Compact light and portable pen-type design. Features: Great to measure the pH level of solution/water. Imported control chip & full waterproof imported ATC sensor - more durable. ATC function(Automatic temperature compensation) and backlight LCD display. Zero power consumption when the pH meter shutdowns - more power-saving.


Hydro-Organics Earth Juice pH Up 2lb
Hydro-Organics Earth Juice pH Up 2lb
By Earth Juice
In Stock
$22.12
4.6 out of 5 stars with 292 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.


Pancellent Water Quality Test Meter TDS PH 2 in 1 Set 0-9990 PPM Measurement Range 1 PPM Resolution 2% Readout Accuracy (Yellow)
Pancellent Water Quality Test Meter TDS PH 2 in 1 Set 0-9990 PPM Measurement Range 1 PPM Resolution 2% Readout Accuracy (Yellow)
By Pancellent
In Stock
$39.90
$19.90
You Save: 50%

mpn: TES-PH-2BYW,

4.1 out of 5 stars with 12 reviews
Little Money to Know Water Quality The Pancellent TDS PH Meter set is a professional level water test meter. Application: pure water production and drinking, tap water, well water, sea water, fish tank water, swimming pool water, amniotic fluid early break, soil, aquaculture, food processing, saliva, enzyme, chemical experiment, ionized water, PH value of human urine and so on. PH Meter Specifications: Measure Range : 0.00 - 14.00 pH Resolution : 0.01 pH Accuracy : ± 0.01 pH Automatic


diymore BNC Connecter Electrode PH Probe Sensor Aquarium Hydroponic Lab Controller Meter (Blue)
diymore BNC Connecter Electrode PH Probe Sensor Aquarium Hydroponic Lab Controller Meter (Blue)
By diymore
In Stock
$10.99

mpn: 050477, ean: 0707427337442,

4.3 out of 5 stars with 11 reviews
PH range: 0-14pH Temperature range: 0-60 °C BNC Connector suitable for most pH meter and controller. Suitable for wide range of application: Aquariums, Hydroponics, Laboratory etc. This pH electrode has a single cylinder that allows direct connection to the input terminal of a pH meter, controller, or any pH device which has a BNC input terminal. The pH electrode probe is accurate and reliable that can gives almost instantaneous readings, helping you to check the quality of your water time and




HDE Horticulture Aquaponics Acidity Kit- 3-in-1 Soil Light Probe + pH Meter Digital Pen
HDE Horticulture Aquaponics Acidity Kit- 3-in-1 Soil Light Probe + pH Meter Digital Pen
By HDE
In Stock
$19.99
$13.99
You Save: 30%

mpn: HDE-*C19+N12 NEW15, ean: 0700355854395,

4.1 out of 5 stars with 17 reviews
Are you sick of your plants dying, fed up of being surrounded by wilting and brown-leaved flowers? If so, the problem could be with your soil and water quality. You need the HDE 3-in-1 Water Soil Light Meter Tool with an easy to read and operate scale. Your plants never need fear that you're going to mistreat them again with this scientifically accurate measuring device. The probes measure the moisture and pH content of the soil, without the use of batteries, from root level and determine


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,

4.3 out of 5 stars with 43 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


Digital pH Meter with 3 Set of pH Buffer Powder, BeneStellar pH Tester with ATC Measure Household Drinking Water, pH Testing, Aquarium, Water, Swimming Pool, Hydroponics (Blue)
Digital pH Meter with 3 Set of pH Buffer Powder, BeneStellar pH Tester with ATC Measure Household Drinking Water, pH Testing, Aquarium, Water, Swimming Pool, Hydroponics (Blue)
By BeneStellar
In Stock
$29.99

ean: 0702668563193,

4.6 out of 5 stars with 206 reviews
Get accurate pH measurement easily  This pH meter the perfect device for your testing of the acidity or alkalinity of liquids. It is very easy to use - just immerse the electrode to get accurate, fast readings. Product Features Measuring range:0.00-14.00 pH Resolution:0.01 pH Accuracy::0.01 pH Batteries:2X 1.5V LR44 (included) Automatic temperature compensation: 0-80℃(32-122℉) Dimensions:155x29x16mm Net Weight:52g/1.83 oz Warm tips STEP 1: Turn open pH meter, Clean the electrode in


Leisure Time 45410 pH Balance Plus Outdoor, Home, Garden, Supply, Maintenance
Leisure Time 45410 pH Balance Plus Outdoor, Home, Garden, Supply, Maintenance
By Garden & Lawn Supply
In Stock
$39.99

mpn: HM-OTDR-717046897, ean: 5662252319979,

4.5 out of 5 stars with 35 reviews
Lock in the proper pH level from refill to refill, even in hard water areas. Fast Dissolving, easy to use granular formula. Locks in the spa or hot tub pH level until the next refill. Compatible with chlorine or bromine sanitizers. Instructions: Add 1-1/2-pound (half the jar) of pH Balance Plus for up to 250 gallons of spa water or the entire 3-pound for up to 500 gallons of spa water. Pour directly into spa. Turn on jets and allow water to circulate for 15 minutes. Temporary cloudiness may


FoxFarm Gringo Rhasta pH Down Gallon
FoxFarm Gringo Rhasta pH Down Gallon
By Fox Farm
In Stock
$78.99

mpn: 733294, ean: 8347951838606,

4.4 out of 5 stars with 211 reviews
It's time to get down! Gringo Rasta® pH Down uses citric acid to lower the pH of your nutrient solution in both soil and hydroponic environments.FoxFarm® Gringo RastaTM pH Down. Brand Name: Fox Farm. PH/EC/TDS Meters and Solutions Parts and Systems for Hydroponics. Package Contains: 1 Units. USA & Canada Warehouses, Fast Shippings.


Gift, 3 in 1 PH Tester Soil Water Moisture Light Test Meter for Garden Plant Flower Mchoice
Gift, 3 in 1 PH Tester Soil Water Moisture Light Test Meter for Garden Plant Flower Mchoice
By MChoice
In Stock
$19.99

mpn: 4332684493, ean: 0655172059341,

4.8 out of 5 stars with 225 reviews
Specifications: 3 functions in one compact meter - measure the moisture and pH content of the soil and the environmental light Scientifically accurate No need for batteries Easy-to-read scale indicator Incredibly simple to use - just stick it in the soil! Works with house and garden plants Instructions included Brand new and packaged Product Properties Display Type:Analog With Backlight Or Not:No DIY Supplies:Woodworking Name: soil PH tester Specification: Meter: 5 x 8 x 3.5cm [2 x 3.2 x


Bluelab pH Down, 1 Liter Bottle
Bluelab pH Down, 1 Liter Bottle
By Bluelab
In Stock
$21.07
$12.15
You Save: 42%

ean: 9421024920661,

4.6 out of 5 stars with 57 reviews
If your pH isn't in the right range-and that's 5.5-6.5 for most plant varieties-your nutrients are likely wasted. Too high or too low, and you're in trouble. The result is nutrient deficiency or complete nutrient lockout. A sure way to unhappy, unhealthy-even dying-plants. Bluelab pH Down Solution is formulated to the highest standards. Just add what's required to reduce pH. Your plants will thank you for it. The main thing is, you'll see the difference in your harvest. Optimum inputs. Optimum


6 in 1 Water testing Meter - ph ppm temp tds ec cf
6 in 1 Water testing Meter - ph ppm temp tds ec cf
By LASHOP
In Stock
$90.09

mpn: 16WTR001-PHT-026, ean: 0022228181910,

4.9 out of 5 stars with 140 reviews
Great for Hydroponics Gardeners or Aquarium Enthusiasts, Non-technical and Technical Personnel alike!! The Six-in-one Meter can be used to constantly monitor the Temperature, PH, TDS in a wide range of applications including nutrient solution for hydroponics, living environment of aquariums, swimming pool, Spa, laboratory and the like. This easy-to-use and affordable combo tester makes it possible to measure pH, ℃, CF, EC,℉, and TDS on the spot, accurately and inexpensively throughout a



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