pH Testing & Control - Page 3 - Blowout Sale! Save up to 52%


Blowout Sale! Up to 52% off on pH Testing & Control at Halo Grow Box, Page 3. Top brands include KKmoon, Bluelab, Earth Juice, General Hydroponics, PHONIC TRAP, Botanicare, Homebox, GH pH, Biopharm, JENCO, Morpheus Grow Tech, Newdy, Armstrong International, GotHydro, Pancellent, & GuDoQi. Hurry! Limited time offers. Offers valid only while supplies last.



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,

4.3 out of 5 stars with 88 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.


Bluelab PeriPod L3
Bluelab PeriPod L3
By Bluelab
In Stock
$2,222.99

mpn: 716491, ean: 8927615884448,

4.9 out of 5 stars with 128 reviews
PeripodTM L3 doser is designed to be teamed with the Bluelab® Pro ControllerTM for a fully integrated solution for optimal reservoir dosing. The Bluelab® PeriPodTM is a simple and reliable inclusion which has 1x 1200ml/min, 40fl oz/min peristaltic pump for dosing pH adjuster solutions and 2x 1200ml/min, 40fl oz/min peristaltic pumps for dosing nutrient stock solutions. The PeriPodTM L3 responds to dosing triggers received from the Bluelab® Pro ControllerTM and pumps pH adjusters and nutrient


Earth Juice Natural Up 30 lb
Earth Juice Natural Up 30 lb
By Earth Juice
In Stock
$297.99

mpn: 722162, ean: 8927615884899,

4.7 out of 5 stars with 57 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 plant micronutrient foliar solutions.Earth Juice® Natural UP & Natural DOWN. Brand Name: Earth Juice. PH/EC/TDS Meters and Solutions Parts & Systems for Hydroponics. Package Contains: 1 Units. USA & Canada Warehouses, Fast Shippings.


GH pH 7.01 Calibration Solution Quart
GH pH 7.01 Calibration Solution Quart
By General Hydroponics
In Stock
$38.99

mpn: 722035, ean: 8927615884783,

4.7 out of 5 stars with 95 reviews
General Hydroponics® uses the highest quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics® technicians check each batch to ensure that our solutions are precisely calibrated and yield reliable readings each time they are used.GH Meter Calibration Solutions. Brand Name: General Hydroponics. PH/EC/TDS Meters and Solutions Parts & Systems for Hydroponics. Package Contains: 1 Units. USA & Canada


PHONICTRAP DUCTING / NOISE REDUCTION 6 /m / 102 mm/ 127mm / 152 mm / 204 mm / 254mm / 515 mm 6 meter lengths (254)
By PHONIC TRAP
In Stock
$105.00

ean: 0735551875943,

4.6 out of 5 stars with 100 reviews
Overview Muffle the noise of powerful fans and air flow without using glass wool - grab some PhonicTrap ducting. It's 3 layers thick and has no glass wool. Even with a high airflow, this ducting holds it shape...for a powerful fan, this is the ducting you need. Ultra silent! Muffles sound of fans and airflow Non-allergenic insulation (no glass wool) Extra durable for powerful fans Ultra Silent Acoustic Ducting It muffles the noise of fans and air flow. Does Not Bend Even when vertical it holds


Botanicare pH UP Plant Supplement 0-0-16 Formula, 1-Quart (12-Pack)
Botanicare pH UP Plant Supplement 0-0-16 Formula, 1-Quart (12-Pack)
By Botanicare
In Stock
$115.99
4.7 out of 5 stars with 97 reviews
Use to raise 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 Up 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 Up is a 29% concentrated Potassium Hydroxide solution that has an extremely low level of phytotoxicity and does not contain salts or chlorides.Increases pH of nutrient solutions. Carbonate free. Highly


HomeBox Evolution R240 Grow Tent - 240cm x 120cm x 200cm
HomeBox Evolution R240 Grow Tent - 240cm x 120cm x 200cm
By Homebox
In Stock
$845.00

ean: 5052647030457,

4.8 out of 5 stars with 65 reviews
HomeBox Evolution R240 Grow Tent - 240cm x 120cm x 200cm High-tech German design and engineering Seamless no-trip entry Rugged, plant-safe materials ensures long working life All parts are replaceable Removable, water-resistant flooring Double side access Inlet and outlet tubes: 100 mm (4): 1x right, 1x left, 2x Roof 150 mm (6): 1x right, 1x left 200 mm (8): 1x right, 1x left 250 mm (10): 2x Roof 4 x 200mm (8) OmniFlow air vents 2x Back, 1x left and 1x right 700-micron MicroMesh bug-screen


General Hydroponics pH Control Kit
General Hydroponics pH Control Kit
By General Hydroponics
In Stock
$24.93
$15.50
You Save: 38%

mpn: 722080, ean: 0730162234745,

4.8 out of 5 stars with 132 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. The pH balance 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


GH pH Down Liquid Quart 722120
GH pH Down Liquid Quart 722120
By GH pH
In Stock
$15.52

mpn: 722120, ean: 0791090258050,

4.6 out of 5 stars with 117 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''.


Biopharm Buffer Calibration Test Kit 3-pack 8 oz (250 mL) pH 4.0, pH 7.0 and Electrode Storage-For Precise and Accurate Calibrations, Designed for Hydroponics and Aquaponics- Ideal for ALL pH Meters
Biopharm Buffer Calibration Test Kit 3-pack 8 oz (250 mL) pH 4.0, pH 7.0 and Electrode Storage-For Precise and Accurate Calibrations, Designed for Hydroponics and Aquaponics- Ideal for ALL pH Meters
By Biopharm
In Stock
$19.97

mpn: BB8904X,

4.0 out of 5 stars with 56 reviews
Want that feeling of confidence from doing things right? Get our accurate, unbiased, independent and scientifically documented calibration standards and be sure your meter is working correctly. These buffer calibration solutions are suitable for the calibration of all pH meters. Each production lot is manufactured in our laboratory following carefully controlled written procedures and standardized against NIST standard reference materials (SRM) for high accuracy. The finished product is


JENCO pH 630F Lab Quality Pocket Size Digital pH Temperature Meter Tester for Drinking Water, Pool, Aquarium, and Hydroponic Use | .01pH Resolution
JENCO pH 630F Lab Quality Pocket Size Digital pH Temperature Meter Tester for Drinking Water, Pool, Aquarium, and Hydroponic Use | .01pH Resolution
By JENCO
In Stock
$75.00

mpn: H2, ean: 0784672854566,

4.3 out of 5 stars with 17 reviews
The Jenco pH 630F is built to last with easy to use calibration. It has a Large LCD to display both pH and temperature (Fahrenheit version) at the same time. Water-proof and dust-proof, a IP67 rated body. Able to replace the electrode module probe, this means you can save money with a replacement electrode instead of buying a new tester. Batteries included and over 200 hrs of battery life. Automatically turns off in 10 mins of non-activity, saving the battery. A low battery indicator lets you


Morpheus Grow Tech pH TDS(PPM) Monitor/Meter 2 in 1 design for Hydroponic/Aeroponic Systems Continuous Monitoring
Morpheus Grow Tech pH TDS(PPM) Monitor/Meter 2 in 1 design for Hydroponic/Aeroponic Systems Continuous Monitoring
By Morpheus Grow Tech
In Stock
$119.00

ean: 0663751275945,

4.2 out of 5 stars with 48 reviews
Stable Reading-Great tolerance for air pump/submersible pump and other interference in hydroponic/aeroponic systems. Perfect for hydroponic/Aeroponic systems that needs continuous pH PPM monitoring.. One Button Calibration-for pH and TDS, doesn't require any screw driver for calibrating.. Industrial Level Precision- Calibrated with professional equipment before shipping, you can use it right out of the box.. Light Weight And Portable -Battery included, easy to carry around with zero hassle to


Newdy Digital PH Meter Tester for Water Quality, Food, Aquarium, Pool & Hydroponics,0.01/High Accuracy +/- 0.05 and 0.00-14.00 Measurement Range, Large LCD Display Battery Included -Yellow
Newdy Digital PH Meter Tester for Water Quality, Food, Aquarium, Pool & Hydroponics,0.01/High Accuracy +/- 0.05 and 0.00-14.00 Measurement Range, Large LCD Display Battery Included -Yellow
By Newdy
In Stock
$24.99

ean: 0652042928998,

4.4 out of 5 stars with 46 reviews
▼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 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 ➤ Specifications ● Measure


Hydro-Organics Earth Juice pH Up 2lb
Hydro-Organics Earth Juice pH Up 2lb
By Earth Juice
In Stock
$22.79
4.2 out of 5 stars with 113 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.


Steam Trap, 30 psi, 2300,Max. Temp. 377° @ 175 psig
Steam Trap, 30 psi, 2300,Max. Temp. 377° @ 175 psig
By Armstrong International
In Stock
$591.79

mpn: NA, ean: 7437844134197,

4.2 out of 5 stars with 13 reviews
Specification: Item: Steam Trap(F)NPT Connections: 1''Max. Operating PSI: 30 psiEnd to End Length: 4-7/8''Condensate Capacity Lbs/Hr: 2300Max. Temp.: 377 Degrees @ 175 psigType: Float and ThermostaticBody Material: Cast IronPipe Configuration: Same SideTrap Position: HorizontalApplication: Steam''Item: Steam Trap. (F)NPT Connections: 1''. Max. Operating PSI: 30 psi. End to End Length: 4-7/8''. Condensate Capacity Lbs/Hr: 2300.


Bluelab Connect Range Extender
Bluelab Connect Range Extender
By Bluelab
In Stock
$170.99

mpn: 716488, ean: 8927615884417,

4.4 out of 5 stars with 34 reviews
The Bluelab® Guardian Monitor Connect, Bluelab® Connect Stick, Bluelab® Connect Range Extender and Bluelab® Connect Software. The Bluelab® Guardian Monitor Connect can connect wirelessly to a computer at the grow site via the Bluelab® Connect Stick, which enables the data logging of pH, Conductivity and Temperature to the FREE Bluelab® Connect Software, downloadable online. The logged information is viewed on a computer and can also be accessed remotely via the cloud from a mobile device


Bluelab pH Pen Storage/Maintain Calibration 8 oz set with pH Up & Down 8 oz
Bluelab pH Pen Storage/Maintain Calibration 8 oz set with pH Up & Down 8 oz
By GotHydro
In Stock
$129.99

ean: 0632096972543,

4.3 out of 5 stars with 45 reviews
Plants get their nutrient from minerals but they can only get all the right minerals they need if certain conditions are right. Think of nutrients like a lock. pH is the key. pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). PH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH


Water Quality Test Meter Pancellent EC PH 2 in 1 Kit 0-9990us/cm Electrical Conductivity 0.01pH Resolution 0.01pH Accuracy
Water Quality Test Meter Pancellent EC PH 2 in 1 Kit 0-9990us/cm Electrical Conductivity 0.01pH Resolution 0.01pH Accuracy
By Pancellent
In Stock
$39.90
$19.17
You Save: 52%

mpn: TES-PH-USEC, ean: 0734009727124,

4.4 out of 5 stars with 45 reviews
Little Money to Know Water Quality The Pancellent EC 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


GuDoQi Digital Ph Tester Acidity Meter Water Quality Tester with Backlight ATC 0.01 Resolution 0-14 pH Measurement Range for Household Drinking Water Aquarium Swimming Pools Hydroponics
GuDoQi Digital Ph Tester Acidity Meter Water Quality Tester with Backlight ATC 0.01 Resolution 0-14 pH Measurement Range for Household Drinking Water Aquarium Swimming Pools Hydroponics
By GuDoQi
In Stock
$13.99

mpn: CE1325, ean: 0711531598620,

4.6 out of 5 stars with 13 reviews
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 fastened to lab coats etc. a case is included for easy storage No calibration needed for new units, just remember to keep the probes neutral by cleaning with distilled water before and after use, and not touching them A little tool for home and


Earth Juice Natural Down 25 lb
Earth Juice Natural Down 25 lb
By Earth Juice
In Stock
$249.99

mpn: 722178, ean: 8927615884929,

4.5 out of 5 stars with 32 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 plant micronutrient foliar solutions.Earth Juice® Natural UP & Natural DOWN. Brand Name: Earth Juice. PH/EC/TDS Meters and Solutions Parts & Systems for Hydroponics. Package Contains: 1 Units. USA & Canada Warehouses, Fast Shippings.



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