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pH Testing & Control - 183 - On Sale Now! Save up to 5%


On Sale! Up to 5% off on pH Testing & Control at Buy Online Guru. Top brands include Newdy, KETOTEK, General Hydroponics, Groline, Aromdeeshopping, pH Meters, NA, DLS, Z3Z, GuDoQi, Bluelab, Earth Juice, Botanicare, Hanna Instruments, XCSOURCE, TekcoPlus, & huanhuatiancheng. Hurry! Limited time offers. Offers valid only while supplies last.



Newdy Digital PH Meter Tester for Water Quality, Food, Aquarium, Pool & Hydroponics,0.01/High Accuracy +/- 0.2 and 0.00-14.00 Measurement Range, Battery Included -Blue
Newdy Digital PH Meter Tester for Water Quality, Food, Aquarium, Pool & Hydroponics,0.01/High Accuracy +/- 0.2 and 0.00-14.00 Measurement Range, Battery Included -Blue
By Newdy
In Stock
$12.99

ean: 8011515680115,

▼Water is consumed by the plants and animals we depend on, and we directly consume it every day. The pH level of water can provide information on potential contamination. ▼This pH meter is not only ideal for household or laboratory use, also sui...


KETOTEK Digital PH Meter, PH Meter with ATC, Water PH Test Meter with 0.00-14.00PH Measure Range for Drinking Water, Hydroponics, Aquariums, Swimming Pools. High Accuracy 0.01 PH Pen Tester
KETOTEK Digital PH Meter, PH Meter with ATC, Water PH Test Meter with 0.00-14.00PH Measure Range for Drinking Water, Hydroponics, Aquariums, Swimming Pools. High Accuracy 0.01 PH Pen Tester
By KETOTEK
In Stock
$11.99

mpn: KT-3 Portable, ean: 0723260104560,

Specification:Measure range: 0.00- 14.00PHResolution: 0.01PHAccuracy: 0.01 PHPower Supply: 2*1.5V (LR44 Button cell) (Included)Operating Temperature: 0°C - 60°CDimension: 155mm* 31mm * 18mmWeight: 50gCalibration tips:a. Dissolve PH buffer powder in...


General Hydroponics pH Control Kit
General Hydroponics pH Control Kit
By General Hydroponics
In Stock
$16.00

mpn: 722080, ean: 0730162234745,

The pH Control Kit by General Hydroponics provides everything you need for testing the pH level of the nutrient solution in your hydroponic system. The pH balance is essential for stimulating vigorous plant growth. Vital elements in nutrient solution...


GroLine Electrode Storage Solution (500 mL)
GroLine Electrode Storage Solution (500 mL)
By Groline
In Stock
$26.99

ean: 0800703000501,

Add to Cart HI70300-050 is a GroLine storage solution prepared with reagent grade chemicals that can be used to ensure optimum performance of your pH and ORP electrodes. It is necessary to store a pH electrode in a solution in order to keep the glass...


Aromdeeshopping New Digital PH Meter Water Hydroponics Pool Test Pocket Pen Tester Aquarium Pond
Aromdeeshopping New Digital PH Meter Water Hydroponics Pool Test Pocket Pen Tester Aquarium Pond
By Aromdeeshopping
In Stock
$14.50

ean: 0794849091489,

Description This item is PH meter for your everyday PH testing. It has a wide measuring range of 0-14 PH and 0.1 accuracy. It will measure and display readings simultaneously, very convenient to use. Pen style design and LCD display with backlight, e...


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,

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 ...




DLS Soil Moisture Meter Indoor Outdoor Sunlight PH Acidity 3-in-1 Soil Tester Kit for Garden Farm Lawn Planter (No Battery Needed) Easy Read Indicator
DLS Soil Moisture Meter Indoor Outdoor Sunlight PH Acidity 3-in-1 Soil Tester Kit for Garden Farm Lawn Planter (No Battery Needed) Easy Read Indicator
By DLS
In Stock
$12.68

ean: 0783942919486,

With DLS 3-in-1 Soil Meter, you can easily check on the condition of your plants. The moisture meter will quickly tell whether your plants is doing well. Firstly, let you know that dry and needs water or wet and could use a day to dry out, you will n...


New 3in1 Plant Flowers Hydroponic Soil Moisture PH Light Meter Tester
New 3in1 Plant Flowers Hydroponic Soil Moisture PH Light Meter Tester
By Z3Z
In Stock
$18.98

ean: 8897785895844,

Description: 100% brand new and high quality 3 in 1 multifunctional moisture, PH and light meter No battery required, simple and convenient to use Simply insert probe of the meter into the soil, switch to the setting you want to measure and read the ...


GH pH Control Kit
GH pH Control Kit
By General Hydroponics
In Stock
$25.34

mpn: 722080, ean: 8927615884790,

General Hydroponics® pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial.GH pH Control Kit. Brand Name: General Hydroponics. PH/EC/TDS Meters and Solutions Parts & Systems for Hydroponics. Package Contains: 1 Units. USA & Canad...


GuDoQi Digital Ph Meter Tester Digital Acidity Meter Backlight Ph Tester Best For Water Aquarium Pool Hot Tub Hydroponics Wine Resolution 0.01 Large Lcd Display (Yellow)
GuDoQi Digital Ph Meter Tester Digital Acidity Meter Backlight Ph Tester Best For Water Aquarium Pool Hot Tub Hydroponics Wine Resolution 0.01 Large Lcd Display (Yellow)
By GuDoQi
In Stock
$13.99

mpn: CE1325, ean: 0711531598620,

Features: Full measurement range: PH 0-14, 0.05 PH range of error and 0.01 PH resolutions; quickly display readings in seconds Large and clear LCD display Compact and portable: Handheld pen-like design with a pen type clip which will keep it securely...


Bluelab pH Controller Power Supply
Bluelab pH Controller Power Supply
By Bluelab
In Stock
$33.37

ean: 9421024920937,

Hands-free monitoring and dosing of solution ph levels. Our clever ph controller automatically monitors and fine-tunes the ph levels for you. You simply set it, and forget. The ph is taken care of. For use with reservoirs up to 200 us gal/760 l. Plan...


Earth Juice Natural Down 1.6 lb
Earth Juice Natural Down 1.6 lb
By Earth Juice
In Stock
$36.99

mpn: 722173, ean: 8927615884905,

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 ...


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

mpn: 722190, ean: 8927615884950,

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...


Hanna Instruments 716840 PHEP Tester (HI 98107)
Hanna Instruments 716840 PHEP Tester (HI 98107)
By Hanna Instruments
In Stock
$55.69

mpn: 716840, ean: 0799441254751,

The hi 98107 (phep), which is the result of over two decades of research & manufacturing experience, is the updated version of our widely popular 96107 (phep). today the redesigned phep series feature a rugged & ergonomically enhanced Casing that fit...


XCSOURCE Professional TDS EC Tester pH Meter Digital Temp PPM Check Water Quality Purity for Filter Pool Aquarium Hydroponic BI669
XCSOURCE Professional TDS EC Tester pH Meter Digital Temp PPM Check Water Quality Purity for Filter Pool Aquarium Hydroponic BI669
By XCSOURCE
In Stock
$17.19

mpn: BI669, ean: 4894479833773,

Features: PH Meter: Ideal instrument for any aquarium, the fishing industry, swimming pools, school laboratories, food & beverage, etc. Excellent PH meter, very accurate and durable. Auto-off function: turns off meter after non-use in 5 minutes to sa...


General Hydroponics GH1514 General Hydroponics Ph Control Kit (Pack of 2)
General Hydroponics GH1514 General Hydroponics Ph Control Kit (Pack of 2)
By General Hydroponics
In Stock
$43.76

ean: 0793094246941,

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...


Digital pH Water Quality Meter Tester Monitor with Replaceable BNC Electrode Probe Adjustable Mounting Bracket for Aquarium Tank Waterproof
Digital pH Water Quality Meter Tester Monitor with Replaceable BNC Electrode Probe Adjustable Mounting Bracket for Aquarium Tank Waterproof
By TekcoPlus
In Stock
$40.81
$38.90
You Save: 5%

mpn: PHTK-26, ean: 0713072683902,

4.6 out of 5 stars with 32 reviews
An upgraded version of pH monitor that allows you to replace electrode once electrode is accidentally damaged and lets you mount the pH monitor to your tank or aquarium with the included adjustable mounting bracket. Features: Reliable and stable...


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,

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

ean: 0793094246729,

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 hav...



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