pH Testing & Control - Page 5 - Blowout Sale! Save up to 58%


Blowout Sale! Up to 58% off on pH Testing & Control at Halo Grow Box, Page 5. Top brands include Pancellent, Future Harvest, General Hydroponics, mooncity, XCSOURCE, Safer Gro, Bluelab, TekcoPlus, pH Meters, Fox Farm, Bettli, Gain Express, Krittapas Intertrade, huanhuatiancheng, HM Digital, & Digital Water Quality Tester. Hurry! Limited time offers. Offers valid only while supplies last.



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,

4.0 out of 5 stars with 135 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


Future Harvest Grow Boss - Nutrient Monitor
By Future Harvest
In Stock
$306.99

mpn: 716367, ean: 8927615884196,

4.9 out of 5 stars with 91 reviews
The Nutradip® GrowBoss is a nutrient monitoring system that assists growers in achieving maximum results for their growing efforts. The GrowBoss is a constant monitoring meter that indicates to the grower the exact levels of nutrient strength, pH and temperature. This allows the grower to adjust and optimize each parameter as the crop progresses through each growth cycle. The GrowBoss display receives information from three input devices each monitoring and measuring specific parameters within


General Hydroponics GH1514 General Hydroponics Ph YowdvU Control Kit (Pack of 5)
By General Hydroponics
In Stock
$166.77

ean: 0793094246842,

4.0 out of 5 stars with 86 reviews
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 range of 5.5 to 6.5, slightly acidic.Nutrient solution that is too high (basic) or too low (acidic) cannot be properly asbsorbed by plants. Incorrect nutrient solution pH can cause slow growth,sickly plants and low yields.Designed to work superbly


Digital pH Meter with Auto Calibration Button with ATC, 0.01pH High Accuracy, pH Buffer Solution and Carrying Case, pH Tester for Aquarium, Drinking Water, Pools & Spas, Hydroponics Gardening(Blue)
By mooncity
In Stock
$32.99

mpn: 4316275974, ean: 0608473150538,

4.1 out of 5 stars with 13 reviews
NEW! The Mooncity PH-90 is an economically priced, reliable pH meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. Specifications: Measure Range: 0.00-14.00 pH Resolution: 0.01 pH Accuracy:±0.01 pH Calibration: Digital automatic calibration (one point) Automatic temperature compensation: 0-50℃/ 122℉ Button battery: 2X 1.5V LR44 (included) Product dimensions:


XCSOURCE Professional TDS EC Tester pH Meter Digital Temp PPM Check Water Quality Purity for Filter Pool Aquarium Hydroponic BI670
By XCSOURCE
In Stock
$17.83

mpn: BI670, ean: 4894479833780,

4.3 out of 5 stars with 34 reviews
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 save batteries. ATC function: it can automatically change the displayed value into the value of 25 C. Big LCD display screen which has great waterproof performance and let you easily read the testing value. TDS&EC Meter: The 3-in-1 Digital TDS Meter


Safergro 9920 pH Down - Gallon
By Safer Gro
In Stock
$120.41

mpn: 9920, ean: 0644189992031,

4.0 out of 5 stars with 44 reviews
Certified Organic Acidifier. pH Down is an additive designed to use where the pH needs to be lowered into a more acidic range. The organic acid present in pH Down gently lower the pH of water, making nutrients more available and increasing uptake. pH Down can also remove scale and hard water deposts, and is excellent as a greenhouse cooling pad cleaner. 1 gallon concentrate makes 70 to 2,560 gallons of solution depending on the original pH of water. Dimensions;. Length: 6.75. Height; 10.25.


Bluelab PeriPod L3
By Bluelab
In Stock
$2,079.25

ean: 9421024920883,

4.4 out of 5 stars with 59 reviews
Peripod™ L3 doser is designed to be teamed with the Bluelab® Pro Controller™ for a fully integrated solution for optimal reservoir dosing. The Bluelab® PeriPod™ 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 PeriPod™ L3 responds to dosing triggers received from the Bluelab® Pro Controller™ and pumps pH adjusters and


2-Pcs Radiant Modern GH Calibration SolutionsReliable Results General Buffer Allowing Growers pH4.01 and pH7.01 Volume 32 oz
By General Hydroponics
In Stock
$52.09
4.9 out of 5 stars with 139 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..


TekcoPlus Portable 2 in 1 Water Quality PH CL2 Chlorine Level Tester Level Meter for Swimming Pool Spa Water Quality Monitor Meter
By TekcoPlus
In Stock
$24.99

mpn: TEK-203, ean: 0713072683353,

4.1 out of 5 stars with 22 reviews
Essential tool for quick and accurate readings of ph & chlorine as chlorine is the most commonly used disinfectant for water by killing bacteria, algae and microorganisms. An ideal tool for keeping your pool or spa within the safe Chlorine and PH ranges, no more chemicals or no more guess work. An electro-tester for testing pH and chlorine (Cl2) levels in water for routine monitoring of pH and chlorine levels of swimming pools, spas and different water sources. When chlorine and pH levels go


Digital Ph Meter + TDS Tester Aquarium Pool Hydroponic Monitor Water 0-9999 PPM
By pH Meters
In Stock
$15.18
$11.80
You Save: 22%

ean: 0730337086926,

4.2 out of 5 stars with 70 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.


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,

4.3 out of 5 stars with 75 reviews
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 save batteries. ATC function: it can automatically change the displayed value into the value of 25 C. Big LCD display screen which has great waterproof performance and let you easily read the testing value. TDS&EC Meter: The 3-in-1 Digital TDS Meter


FoxFarm Gringo Rasta pH Up Quart
By Fox Farm
In Stock
$27.79

mpn: 733296, ean: 8347951838613,

4.2 out of 5 stars with 72 reviews
It's time to get on Up! Grino Rasta® pH Up uses the power of potassium hydroxide to raise the pH of your nutrient solutions in both soil and hydroponic environments.FoxFarm® Gringo RastaTM pH Up. Brand Name: Fox Farm. PH/EC/TDS Meters and Solutions Parts and Systems for Hydroponics. Package Contains: 1 Units. USA & Canada Warehouses, Fast Shippings.


Bettli ph TESETER PH Meter TDS Meter, Water Quality Tester, Auto Calibration for 0-14.0 PH, Swimming Pool, Drinking Water,Pocket Size,Yellow(PH Tester)
By Bettli
In Stock
$19.99

ean: 0702706840767,

4.9 out of 5 stars with 139 reviews
PH Meter Specifications: Measuring Range: 0 to 14.0 pH Resolution: 0.01 pH Accuracy: +/-0.01 pH Operation Temperature: 0 to 60℃(32 to 140℉ ) Battery: 2 * 1.5V (LR44 button cell) Size:155mm*31mm*18mm Package Conclude: 1 x PH Meter 1 x Carrying Cases 2 x PH Buffer Powders 2 x User Manuals.


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 92 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


PH868-5 Digital Waterproof Water Quality pH Measurement Test Tool
By Krittapas Intertrade
In Stock
$106.83

mpn: PUEGSAGIKA-BK-1081, ean: 0799789636752,

4.4 out of 5 stars with 148 reviews
Description : PH868-5 Digital Waterproof Water Quality pH Measurement Test Tool Features : Automatic Calibration with just a push of a button Easy 3 points Calibration (pH 4.00, 7.00, 10.00) Comes with the Standard Buffer Solutions pH4.0, pH7.0 and pH10.0 USA standards Can measure alkaline solution Display Temperature and pH simultaneously Easy to switch between °C and °F Data Hold and ATC Auto Power off that can be disable Pen size, easy to fit in pocket Low battery indicator Wide range of


huanhuatiancheng Digital LCD PH Meter Aquarium Pool Water Wine Urine Tester Analyzer (yellow)
By huanhuatiancheng
In Stock
$23.59

mpn: 4336465319, ean: 0781903574767,

4.1 out of 5 stars with 39 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


HM Digital HydroMaster HM-500
By HM Digital
In Stock
$365.99

mpn: 716147, ean: 8927615883977,

4.6 out of 5 stars with 22 reviews
HydroMaster Digital tester makes monitoring water easier than ever by reading the levels that matter most and providing accurate readings that you can depend on. Continuous pH/EC/TDS/Temp monitor with rechargeable battery. Portable, wall mount or benchtop use. Tests pH at a range of 0 pH-14 pH, temperatures from 30°F-176°F, TDS from 0-9999 ppm and EC from 0-9999 μS. Stores up to 20 measurement readings, so you can monitor changes over time. LCD touch-type screen with auto backlighting.


Bluelab PowerPod
By Bluelab
In Stock
$557.99

mpn: 716492, ean: 8927615884455,

4.1 out of 5 stars with 65 reviews
The Bluelab® PowerPodTM is an electronically controlled mains switching box that is designed to activate mains powered equipment via control signals from a Bluelab® controller. The Bluelab® PowerPodTM is ideal for use when using a Bluelab® Pro ControllerTM with third party mains powered pumps, heaters and coolers for temperature control. Compatible with Bluelab® Pro Controller and Bluelab® DosetronicTM models. Adds temperature control to Bluelab® Pro Controller and some Bluelab®


Digital Water Quality Tester Pancellent TDS PH EC Temperature 4 in 1 Kit, Accurate TDS Range 0-9990ppm and 0.01 PH High Accuracy Water Quality Tester with 0-14 PH Measurement Range
By Digital Water Quality Tester
In Stock
$39.99
$16.99
You Save: 58%

ean: 0752097661021,

4.2 out of 5 stars with 44 reviews
The PH meter is a professional and handy tool to quickly and accurately get an indication for the ph level of the solution.It's not only ideal for household or laboratory use. Also suitable for testing pH balance of drinking water, pools, aquariums, RO system, Spas, hydroponics food, wine and beer making and more. What Is TDS and Why Should You Care Total Dissolved Solids (TDS) is the total weight of all solids (minerals, salts, or metals) that are dissolved in a given volume of water,


Bluelab Conductivity Pen
By Bluelab
In Stock
$100.99

mpn: 716482, ean: 8927615884370,

4.4 out of 5 stars with 73 reviews
Measures conductivity and temperature. Selectable units for conductivity and temperature. Backlit LCD display with low battery warning. Successful calibration indicator and calibration is optional. Fully waterproof. Auto off function and hold reading function. Automatic temperature compensation. Units: EC, 500ppm, 700ppm, °C, °F. Range: 0.0 - 10.0 EC, 0-5000ppm (500ppm), 0-7000ppm (700ppm) and 0°-50°C/32° -122°F. Resolution: 0.1 EC, 10ppm (500ppm), 10ppm (700ppm) and 1°C/1°F. Accuracy @



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