pH Testing & Control - Page 3


Save on pH Testing & Control at Mill Hollow Nursery, Page 3. Top brands include Bluelab, General Hydroponics, Torus Hydro, YARUIFANSEN, VANTAKOOL, Oakton, oshide, The Aquaponic Source, Jacksking, Lazmin, & (GIGA-MARKET). Hurry! Limited time offers. Offers valid only while supplies last.



Bluelab pH Probe KCl Storage Solution, 250 ml
By Bluelab
In Stock
$36.99

mpn: BLU7010, ean: 9421024920869,

4.1 out of 5 stars with 28 reviews
The perfect solution to store and hydrate your Bluelab pH products.Bluelab knows it is extremely important to care for and store pH probes correctly. pH probes are sensitive glass instruments which age through normal use. The life and performance of pH probes is reduced heavily when they are stored dry.Bluelab pH Probe KCI Storage Solution is made specifically for use with Bluelab pH products. It is designed to increase response time and maximize the life of Bluelab pH pens and pH probes. For


General Hydroponics pH Control Kit (5 Pack)
By General Hydroponics
In Stock
$223.99

ean: 0785614582394,

4.4 out of 5 stars with 31 reviews
Designed to work superbly in hydroponic environments, both soil-less mixtures and soil grown plants. Includes pH Test Indicator tube:fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator, and observe the coloration of the liquid in the vial.. Includes 8oz bottle of pH Up which is used to elevate it to the desired level. Contains 8oz bottle of pH down which uses food grade phosphoric acid to lower the pH to to the desired level. For best results, discard and replace


PerfectpH: World’s First Natural pH Balancing Capsule (70 Gal)
By Torus Hydro
In Stock
$199.00

ean: 0746160071510,

4.9 out of 5 stars with 58 reviews
The perfectpH is a revolutionary pH stabilizer that automatically balances the pH of your hydroponics system, keeping it in the ideal range for optimal nutrient absorption. Using next generation ionization technology, the perfectpH eliminates excess pH swing that inhibits plant growth and weakens the plants' immune system. Eliminate chemical buffers, frequent reservoir changes, pests, wasted water and nutrients, and dramatically increase yields with the same technology used by NASA. Simply drop


Original Online Industrial PH Controller ORP Meter Monitor Digital 0.02pH 1mV Upper Lower Limit Control Alarm PH Controller
By YARUIFANSEN
In Stock
$309.00

ean: 0791281231909,

4.9 out of 5 stars with 28 reviews
Original Online Industrial PH Controller ORP Meter Monitor Digital 0.02pH 1mV Upper Lower Limit Control Alarm PH Controller Packaging Details Unit Type: piece Package Weight: 0.6kg (1.32lb.) Package Size: 20cm x 15cm x 15cm (7.87in x 5.91in x 5.91in).


Digital PH Meter, VANTAKOOL 0.01 PH High Accuracy Pocket Size PH Meter/PH Tester with 0-14.0 Measuring Range for Household Drinking Water, Hydroponics, Aquariums, Swimming Pools
By VANTAKOOL
In Stock
$29.60

mpn: FBA_ph meter-blue, ean: 0606682170590,

4.6 out of 5 stars with 40 reviews
✧ VANTAKOOL Digital PH Meter Water Tester 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. ✧ High Quality and Durable It's highly accurate for measuring range of 0-14 PH, 0.1 PH resolution, measure & display pH result simultaneously with LCD diplay, reliable and quick


Bluelab 7.0 pH Calibration Solution, 20 ml Sachets
By Bluelab
In Stock
$67.87

ean: 9421024920333,

4.9 out of 5 stars with 35 reviews
Calibration and conductivity standard solutions... a must in every grower's toolbox. The Bluelab calibration and conductivity standard solutions are essential for use with all Bluelab products for the calibration of pH and testing the cleanliness of the Bluelab Conductivity/Temperature probe. Bluelab solutions are manufactured specifically for Bluelab products and are referenced to high laboratory standards to ensure your Bluelab products last longer and maintain accuracy. Many of Bluelab's


Oakton Replaceable Electrode for pH WP 2 Pen
By Oakton
In Stock
$109.06

mpn: OK3562429,

4.1 out of 5 stars with 26 reviews
This part number is for a replacement electrode only, for your Oakton pH WP 2 pen (not the actual unit itself).Optimize nutrient strength during growth, flowering, and fruiting. Reliable waterproof, dustproof housing and replaceable electrode provide long life and value, meaning you won't need to invest in or calibrate another Oakton pen once you've become comfortable using yours. Replacement sensors: OK-35624-09 for pHTestr 1 OK-35624-29 for pHTestr 2 OK-35653-01 pH 4.0?calibration solution.


Oakton Low/High/EC High Replacement Sensor
By Oakton
In Stock
$75.85

mpn: OK3566117,

4.1 out of 5 stars with 15 reviews
Purchase this replacement sensor for your Oakton Low/High/EC High tester and keep your instrument running in the most efficient shape possible. Note that this is a replacement sensor; purchase the Oakton device separately. Replacement sensors and solutions: OK-35661-17 for TDS tester Low, High, ECTestr High OK-35653-13 15 mS?calibration solution for High testers.


4-in-1 Portable Digital PH TDS EC TEMP Water Tester Multi-function Swimming Pool Drinking Water Spa Test Pen Kit
By oshide
In Stock
$36.99

mpn: HJ0093400cwHB, ean: 0029275992636,

4.9 out of 5 stars with 58 reviews
New Portable Water Quality Monitor 4 in 1 (PH / TDS / EC / temperature) for swimming pool, drinking water, aquariumProduct characteristics:Accurate and reliable: to achieve high precision, equipped with a high quality


AquaIron DTPA Chelated Iron 10% - 1lb
By The Aquaponic Source
In Stock
$44.38

ean: 0725264058788,

4.6 out of 5 stars with 31 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


Jacksking Wired Video Doorbell,7in Wired Video Door Phone HD 1.3 Million Pixels 150° Wired Video Doorbell with Monitor(Black)
By Jacksking
In Stock
$65.69

mpn: uzeki9qabs-05, ean: 0746771577036,

4.0 out of 5 stars with 37 reviews
Description: This high-end wired video door phone could be a truly efficient solution for improving security of your property. It adopts advanced technoloogy and the latest chip to ensure the stability and smoothness of images transmission. 150° wide angle gives you a full vision, lets you control whole situation completely.  Features: 150° Wide Angle - This wired video door phone adopts a 150° wide angle to give you a full vision. Let you control whole situation for better protection.  No


Jacksking Wireless Visible Doorbell,7" 2.4GHz Fingerprint Video Wireless Camera Doorbell Intercom Digital Visible Door Phone(#1)
By Jacksking
In Stock
$111.99

mpn: gs9yiknd8t-01, ean: 0746771467672,

4.4 out of 5 stars with 32 reviews
This doorbell is applied to replace the previous wired doorbell, or invisual doorbell, which greatly enhances home security performance.  Outdoor unit can be installed beside the door, indoor unit can be freely used in the stable signal intensity place. Indoor unit can be hung on the wall closet, etc or be placed above the desk, tea table, table etc.  Easy to use and easy to complete the visible interphone. Features: HD 7''color digital display screen and 150 degree visual angle, providing a


Jacksking Smart Camera Doorbell,720P Smart Home Security Wireless WiFi HD Smart Camera Doorbell IR Visible Intercom Doorphone
By Jacksking
In Stock
$39.99

mpn: 5edc6bukmg, ean: 0746771467382,

4.3 out of 5 stars with 26 reviews
Features: HD720P images and wide viewing angle, providing you with a clearer and broader perspective. Built-in 3400mA battery, ultra low power and long service time for 6 months. 6 IR Leds with IR-CUT filter mode are automatically switched by optical sensors, it can monitor and capture images in low illumination environment.  PIR motion detection and anti tamper alarm function, it can automatically record or capture photoes and will send your alarm information to your phone if there is motion.


Jacksking Video Camera Doorbell,ZC-IP06 720P WiFi Video Camera Doorbell Wireless Battery Operated Doorbell Work with Alexa Echo
By Jacksking
In Stock
$39.99

mpn: vgcrn7k84u, ean: 0746771461175,

4.4 out of 5 stars with 17 reviews
Features: Support Wi-Fi 2.4 GHz, IEEE 802.11b/g/n, no need any wire. HD720P images with 166 degrees wide viewing angle, providing you with a clearer and broader perspective. 6 IR Leds with IR-CUT filter mode are automatically switched by optical sensors, it can monitor and capture images in low illumination environment.  Built-in 3350mAH batteries, ultra low power and long service time for 3~6 months. PIR motion detection and anti tamper alarm function, it can automatically record or capture


Jacksking Video Doorbell Kit,7 inch Touch Screen Wired WiFi Video Camera Door Phone Ring Intercom Home Smart Doorbell Kit(#1)
By Jacksking
In Stock
$115.99

mpn: rhkdwa9s8e-01, ean: 0746771257549,

4.6 out of 5 stars with 39 reviews
This video doorbell kit combines many functions in one: two-way intercom, surveillance,  unlock,taking photo,video record, etc. Outdoor camera with clear IR night vision can monitor and capture images in low-illumination environment. The indoor monitor can support to connect 8 mobile phone APP user. Features: 7inch High definition digital LCD monitor, with take picture, visitor records and calendar function. Outdoor unit use 1000TVL analog high-definition camera, with IR-CUT. Combines many


Jacksking Lens Repair Tool Ring,9pcs Camera DSLR Lens Repair Tool Ring 8-83mm Lenses Removal Rubber Accessory
By Jacksking
In Stock
$29.59

mpn: b5dgf346tg, ean: 0787016010390,

4.8 out of 5 stars with 54 reviews
Features: This camera lens repair tools are made of good quality rubber, pliable and wear-resistant, durable for years of use. 9pcs per pack, from 8-83mm, suitable for almost all sizes cameras to use. High friction of the surface makes it has better grip to remove lens. High softness avoids scratches when remove lens. Nice tools for photographers to repair lens. Specification: Material: Rubber Color: As picture shown Quantity: 9pcs Type: 8-16mm, 22-32mm, 25-28mm, 26-35mm, 41-47mm,


Lazmin Wireless Signal Detector, 1.2G & 2.4G Detection RG Signal Detector 1MHz-8000MHz High Sensitivity Wireless Bug Detector
By Lazmin
In Stock
$57.59

mpn: mkvfu89sib, ean: 0701069957488,

4.4 out of 5 stars with 12 reviews
Description: This RF Signal Detector will find out all suspicious signals around you to ensure your security. 1MHz-8000MHz frequencies enable this bug finder to detect all devices, including hidden camera, suspicious signals, building roof base station, radiation sources, etc. Furthermore, sensitivity can be adjusted to let you find out the source of signal faster. Specifications: Product type: RF Signal Detector Frequency range: 1MHz - 8GHz Sensitivity: ≤0.03mw Compatible devices: Hidden


(GIGA-MARKET) HM Digital TDS-EZ PPM Meter, Home Drinking Tap Water Quality Purity Test/Tester
By (GIGA-MARKET)
In Stock
$29.99

ean: 0301657096454,

4.7 out of 5 stars with 28 reviews
Product Information The HM Digital TDS-EZ water quality tester is an easy to use handheld tester for measuring total dissolved solids in water. The variety of uses for this digital water quality tester include pool or spa water, tap water, aquariums, and even food prep, where a difference in the quantity of salts or other minerals in the water can make a difference in the recipe. It measures from 0 to 9999 ppm. This lightweight tester's auto-off function saves battery life. Weight0.1380 lbHM


Bluelab pH 7.0 Calibration Solution 20 ml Sachets
By Bluelab
In Stock
$62.10

mpn: 732894, ean: 9421024920333,

4.1 out of 5 stars with 24 reviews
pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH7.0 first (buffer) then to pH4.0 (slope). Bluelab's EC/CF equipment does not need calibrating as they are all factory calibrated. The CF27.7 (EC2.77) solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/CF probe..


Bluelab Truncheon Meter
By Bluelab
In Stock
$131.99

mpn: BLU2000E, ean: 9421024920012,

4.9 out of 5 stars with 33 reviews
It is essential when growing with a hydroponic solution to KNOW what the strength of the solution is before feeding your plants AND while they are growing. This is easy if you use the Bluelab Truncheon® Nutrient Meter! To take a reading of your solution, simply place the probe head into the solution for 1-2 minutes to reach the same temperature of your nutrient. The reading is indicated by the flashing lights. Calibration of the Meter is not required. Meter length: 40.7 cm (16 1/32 in).



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