pH Testing & Control - Page 6 - Mega Sale! Save up to 30%


Mega Sale! Up to 30% off on pH Testing & Control at Halo Grow Box, Page 6. Top brands include Bluelab, Justdolife, Jenco, Aromdeeshopping, MChoice, The Aquaponic Source, Nutriculture, General Hydroponics, Mepco, Garden & Lawn Supply, Safer Gro, Dash II, Clan_X, HDE, Botanicare, & Dr. Lyn. Hurry! Limited time offers. Offers valid only while supplies last.



Bluelab pH Controller Power Supply
By Bluelab
In Stock
$33.37

ean: 9421024920937,

4.7 out of 5 stars with 142 reviews
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. Plant-safe green back lit lcd with adjustable brightness and large, easy to read display. Easy to navigate menu to program, adjust settings and calibration by a simple push of a button. Flashing high/low alarm with control lockouts to protect from


Bluelab Guardian Connect
By Bluelab
In Stock
$456.99

mpn: 716484, ean: 8927615884387,

4.1 out of 5 stars with 81 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


Justdolife PH Meter Water Quality Tester Portable Digital LCD Display PH Tester for Water Aquariums Pools
By Justdolife
In Stock
$11.98

mpn: MD93412918CKH, ean: 0192684167206,

4.5 out of 5 stars with 141 reviews
Description:Electrode: Vitreous vesiclesAccuracy: 0.01Resolving Power: 0.01Working Temperature: 0-80°CTesting Range: 0.00-14.00Color: YellowMaterial: Plastic + ElectronicsSize: L*W*H: 2.9*1.6*15.5cm(1.14*0.63*6.10in)Battery: 2 x 1.5V battery(not included)Note:- The batteries are not included.- Please refer to the measurement. Tiny measuring error is allowable in normal range.- There might be a little color difference due to the monitor, camera or other factors, please refer to the


Jenco pH 610 Portable Pocket Meter Tester Pen for Hydroponics, Pools & Spas, and Aquariums
By Jenco
In Stock
$55.00
4.3 out of 5 stars with 108 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 &


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

ean: 0794849091489,

4.4 out of 5 stars with 36 reviews
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, easy to carry and read, very practical. It can be used in testing water, aquarium, make-up, industrial sewage, and etc. Features - Color: Yellow. - Material: Plastic. - Size: 15.2x3x2cm. - Accuracy: 0.1 - Working temperature: 0~50 Celsius degree -


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,

4.3 out of 5 stars with 49 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 Controller BRAND NEW 2017 Model
By Bluelab
In Stock
$399.77

ean: 6853848721323,

4.0 out of 5 stars with 110 reviews
• Water resistant, wall mount design • 13 foot (4 meter) acid/alkali resistant dosing tube supplied • Use with undiluted Bluelab pH Up or Down • International power supply • Replaceable double junction pH probe • Separate Bluelab Temperature Probe (for pH ATC) • Replaceable peristaltic pump and tubes Probe Tips •All probes are interchangeable between all Bluelab products •All probes carry a 6 month warranty •Proper hydration of ph probes is vital to maintain wick •All PH


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

mpn: 4336465134,

4.0 out of 5 stars with 39 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


wilma system XL 4 pot kit from uk 18 LTR POTS
By Nutriculture
In Stock
$325.00

ean: 0735551875820,

4.1 out of 5 stars with 60 reviews
Wilma XL 4 pot Kit, the famous wilma 4 pot system just got even bigger, now with a 70 litre tank and 18l or 25 litre plant pots the wilma xl 4 can handle even the biggest of plants, a best seller! Product Information Wilma XL 4 Pot Hydroponic system, the famous wilma 4 pot system just got even bigger, now with a 70 litre tank and 18 or 25 litre plant pots the wilma xl 4 can handle even the biggest of plants, a best seller! Wilma XL is the next generation of this popular drip irrigation system.


General Hydroponics pH Control Kit GH1514
By General Hydroponics
In Stock
$21.77

ean: 0793094246422,

4.7 out of 5 stars with 12 reviews
Pack of 4 pH Control Kits by General Hydroponics. ( GHPH1514). Kit includes; 1 ounce of pH indicator solution, test vial, dropper, 8 ounces of pH down and 8 ounces of pH up. Contains Ph Up (add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level), Ph Down (uses food grade Phosphoric acid to lower the pH to the proper level), and Ph Test Indicator (fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator, and observe the coloration


Steam Trap, 75 psi, 1500,Max. Temp. 450°F
By Mepco
In Stock
$516.99

mpn: NA, ean: 7437844346347,

4.5 out of 5 stars with 96 reviews
Designed for low pressure or vacuum steam heating systems and steam process equipment, this MEPCO steam trap is suitable for use in low pressure mains and risers, pressing machines, space heaters, unit heaters, and water heaters. Model can also be used as a replacement for inefficient inverted bucket traps. Compact unit allows easy access to all interior parts, and no pipe connections need to be broken for steam trap maintenance. The body has in-line pipe connections for simple straight through


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,

4.8 out of 5 stars with 41 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


Safer Gro 9920Q pH Down Acidifier44; 1 Quart
By Safer Gro
In Stock
$18.61

mpn: 4336465129, ean: 0644189992024,

4.8 out of 5 stars with 106 reviews
pH Down is an additive designed for use where the pH needs to be lowered into a more acidic range. The organic acid present in pH Down gently lowers the pH of water making nutrients more available and increasing uptake. More plants thrive at slightly acidic conditions. Unlike other hazardous pH lowering agents pH Down is safe to handle and is suitable for use in organic food production. pH Down has several functions - compatibility agent acidifier activator and chelator. It is an organic based


PH Meter, DashII Digital pH Meter Pen Type Water Tester For Hydroponic Aquarium Spa Pool (PH009)
By Dash II
In Stock
$12.99

mpn: PH009, ean: 6948764273510,

4.8 out of 5 stars with 48 reviews
This pH Meter is a professional and ideal tool for measuring the pH value of your water. Specifications: Measuring range: 0-14 pH Resolution: 0.1 pH Accuracy: ±0.1 pH Batteries: 3x 1.5V LR44 button cell (AG13) Automatic temperature compensation: 0-50°C (32-122°F) Dimensions: 5.94x1.30x0.79in /151x33x20mm Weight: 1.87oz /53g Package includes: 1 x pH Meter (Yellow) 1 x Carrying case 1 x Adjustment screwdriver 2 x Calibration packets 1 x User's manualGreat for home and laboratory pH


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

ean: 6853848720876,

4.7 out of 5 stars with 61 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


1-Pc Remarkable Modern GH Calibration SolutionsHighest Quality Reliable Results Hydroponics pH pH7.01 Volume 32 oz
By General Hydroponics
In Stock
$14.77

mpn: 4316276031,

4.5 out of 5 stars with 114 reviews
General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use our reference solutions widely among many popular brands of meters using the NaCl scale. General Hydroponics technicians check each batch to ensure that our solutions are exactly calibrated each time they are used..


Clan_X Digital PH Meter, Portable Water Quality PH Tester for Household Drinking Water, Hydroponics, Fish Tank, Pond, 0-14 PH Measurement Range with 0.1PH Resolution
By Clan_X
In Stock
$11.17

mpn: 4336465293,

4.0 out of 5 stars with 138 reviews
Product feature: ● Simple to operate, convenient to carry, and versatile. ● It is the ideal tool for testing home drinking water, perfect laboratory equipment and other tools for agricultural use. Such as soil-less cultivation and so on. Specification of the PH meter: ※Measuring range: 0.00-14.00PH ※Accuracy: ±0.2PH ±0.1PH (20°C) ※Resolution: 0.1PH ※Working temperature: 0°C~50°C ※Battery: 3X1.5V (AG13 button battery) ※Dimensions: 142mm (L) × 29mm (W) × 15mm (H)


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,

4.6 out of 5 stars with 123 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


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,

4.4 out of 5 stars with 112 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


Dr. Lyn Digital pH Pen Water Tester Meter (0-14 pH) For Easy Home Garden Hydroponics Growing System Aquarium Beer Wine Pool Soil With BackLit Screen BONUS Calibration Powders Included
By Dr. Lyn
In Stock
$23.99
$16.97
You Save: 29%

mpn: WB-003, ean: 0643845989453,

4.5 out of 5 stars with 63 reviews
CLICK ADD TO CART NOW To Grab The Exclusive DealsWhat is pH: pH stands for power of hydrogen, which is a measurement of the hydrogen ion concentration in the body. The total pH scale ranges from 1 to 14, with 7 considered to be neutral. A pH less than 7 is said to be acidic and solutions with a pH greater than 7 are basic or alkaline. Package Content: 1. Dr. Lyn pH meter - 100% warranty (conditions apply*) 2. 4 batteries included - supports 1000hrs of continuous use. 2. Storage case to carry



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