Mill Hollow Nursery

pH Testing & Control - Page 2


Save on pH Testing & Control at Mill Hollow Nursery, Page 2. Top brands include General Hydroponics, Bluelab, Oakton, Fox Farm, Groline, Hydro Organics / Earth Juice, dezirZJjx, TekcoPlus, Hanna Instruments, AmHydro, Health Metric , CWP Instruments, Growee, & Unique Inc. Hurry! Limited time offers. Offers valid only while supplies last.



1-Set Paradisiac Popular GH pH Control Acid Alkaline Water Test Kit Accurate General Up and Down Volume 8 oz with 1 oz Indicator
1-Set Paradisiac Popular GH pH Control Acid Alkaline Water Test Kit Accurate General Up and Down Volume 8 oz with 1 oz Indicator
By General Hydroponics
In Stock
$21.90

mpn: 8111166364270, ean: 8111166364270,

4.1 out of 5 stars with 13 reviews


Bluelab Leap pH Probe (Probe Only)
Bluelab Leap pH Probe (Probe Only)
By Bluelab
In Stock
$99.19

mpn: 716446, ean: 9421024920944,

4.5 out of 5 stars with 44 reviews
The perfect, portable way to accurately measure and monitor pH levels in a wide range of media. We have combined the Bluelab Multimedia pH Meter and Bluelab Leap pH Probe to take fast accurate measurements in nutrient solution, soil, coco coir, rockw...


Oakton 1413 microsiemens/cm Conductivity Standard Solution, 500 ml
Oakton 1413 microsiemens/cm Conductivity Standard Solution, 500 ml
By Oakton
In Stock
$43.43

mpn: OK0065318,

4.0 out of 5 stars with 26 reviews
Standards have KCl, NaCl and 442 conversions printed on the bottle for ease of use. Temperature corrections are printed on the bottle, with the certified values listed in the tables, accurate to within ±0.5% and are referenced to 25°C....


FoxFarm Gringo Rasta pH Down Liquid, 1 qt
FoxFarm Gringo Rasta pH Down Liquid, 1 qt
By Fox Farm
In Stock
$34.83

mpn: FX14271, ean: 0752289250057,

4.0 out of 5 stars with 18 reviews
It’s time to get down! GRINGO RASTA® pH DOWN uses citric acid to lower the pH of your nutrient solution in both soil and hydroponic environments...


FoxFarm Gringo Rasta pH Up Liquid, 1 qt
FoxFarm Gringo Rasta pH Up Liquid, 1 qt
By Fox Farm
In Stock
$34.83

mpn: FX14281, ean: 0752289250026,

4.1 out of 5 stars with 36 reviews
It’s time to get on UP! GRINGO RASTA® pH UP uses the power of potassium hydroxide to raise the pH of your nutrient solutions in both soil and hydroponic environments....


Bluelab pH up & pH Down Bluelab pH Down 1 Gallon
Bluelab pH up & pH Down Bluelab pH Down 1 Gallon
By Bluelab
In Stock
$230.38

mpn: 716349, ean: 9421024920715,

4.4 out of 5 stars with 24 reviews
Our new pH Up and pH Down solutions can be used undiluted with the Bluelab pH Controller and Bluelab pH Controller Connect. They're manufactured with premium quality acid/alkali concentration....


Bluelab 716489 Pro Automated pH and Nutrient Controller
Bluelab 716489 Pro Automated pH and Nutrient Controller
By Bluelab
In Stock
$895.00

mpn: 716489, ean: 9421024920821,

4.5 out of 5 stars with 25 reviews
Bluelab Pro ControllerAutomated, constant control of reservoir pH and nutrient levels.Full control of reservoir pH, conductivity and temperature in one place.When connected to a dosing system the Bluelab® Pro Controller™ manages pH, conductivity a...


Hanna Groline PH/EC/TDS/Temperature Monitor with Multiparameter Probe
Hanna Groline PH/EC/TDS/Temperature Monitor with Multiparameter Probe
By Groline
In Stock
$289.95

ean: 0806810030110,

4.2 out of 5 stars with 59 reviews
The HI981420 GroLine Monitor for Hydroponic Nutrients provides around-the-clock, continuous monitoring of pH, conductivity (EC & TDS), and temperature in hydroponic nutrient solutions. Quick to setup, simple to use, this monitor was designed with Hyd...


Earth Juice Natural Down, 25 lbs
Earth Juice Natural Down, 25 lbs
By Hydro Organics / Earth Juice
In Stock
$184.28

mpn: HOH84024, ean: 0727644840242,

4.1 out of 5 stars with 44 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....


dezirZJjx Portable Dissolved Oxygen Meter, Water Quality Analyzer, DO Pen Digital Dissolved Oxygen Detector Meter for Hydroponics Growing Reverse Osmosis System
dezirZJjx Portable Dissolved Oxygen Meter, Water Quality Analyzer, DO Pen Digital Dissolved Oxygen Detector Meter for Hydroponics Growing Reverse Osmosis System
By dezirZJjx
In Stock
$155.65

mpn: 4YT7I05VWV8KXD13PG7, ean: 8710708571192,

4.5 out of 5 stars with 25 reviews
Specifications: Designed and made with imported components and sensor with high sensitivity and accuracy. Test the DO(dissolved oxygen) value and temperature(℃/℉) of water.Facilitate the user to carry on-site operation to display dissolved oxygen...


Digital 3in1 pH/ORP / Temp Meter Water Quality Tester with ATC Replaceable Detachable Electrode Probe for Aquarium, Laboratory Test, Hydroponics Water,Pool Testing Tool
Digital 3in1 pH/ORP / Temp Meter Water Quality Tester with ATC Replaceable Detachable Electrode Probe for Aquarium, Laboratory Test, Hydroponics Water,Pool Testing Tool
By TekcoPlus
In Stock
$86.90

mpn: PHTK-151, ean: 0713072684701,

4.5 out of 5 stars with 43 reviews
This advanced pH, ORP and Temperature meter specifically designed to provide precise measurements even under harsh conditions. Features:1. Uses repleceable pH electrode & ORP electrode2. ATC, adjust itself to correct temperature discrepancies d...


New Model Hanna Instruments HI 98107 pHep pH Tester, W/ +/- 0.1 Accuracy
New Model Hanna Instruments HI 98107 pHep pH Tester, W/ +/- 0.1 Accuracy
By Hanna Instruments
In Stock
$59.99

mpn: HI-98107, ean: 5060551551135,

4.5 out of 5 stars with 30 reviews
Waterproof pHep pH Tester The Hanna Instruments HI98107 pHep pH tester is a rugged and reliable pocket-sized tester for use in the lab or field. This modern looking meter is only 0.7" thick and extremely ergonomic, fitting comfortably in your hand. T...


2017 Bluelab Guardian Monitor
2017 Bluelab Guardian Monitor
By Bluelab
In Stock
$267.77

mpn: unknown,

4.7 out of 5 stars with 32 reviews
Bluelab Guardian Monitor Consistent pH, PPM, EC, TDS Meter & Temperature Tester. In just one glance the Bluelab Guardian Monitor measures all three critical parameters for successful growth pH, conductivity and temperature....


Bluelab pH Probe KCI Storage Solution 250ml (6/Cs)
Bluelab pH Probe KCI Storage Solution 250ml (6/Cs)
By Bluelab
In Stock
$29.39

mpn: 716495, ean: 9421024920869,

4.6 out of 5 stars with 7 reviews
The perfect solution to store and hydrate your Bluelab pH products. Bluelab pH Probe KCl 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 ...


AmHydro Supernova Bio-blend Plant Nutrient Additive
AmHydro Supernova Bio-blend Plant Nutrient Additive
By AmHydro
In Stock
$43.95

ean: 0852721006164,

4.6 out of 5 stars with 28 reviews
NPK: 1-1-1 Highly concentrated seaweed bio-blend of nutrients that stimulate lateral bud growth for increased flowering sites and bushier plants (Cannabis growers know this!). Contains Ascophyllum nodosum extract, natural plant nutrients, amino acids...


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 Health Metric
In Stock
$34.78

ean: 0711583508950,

4.4 out of 5 stars with 16 reviews
Now You Can Test The pH Of Your Aquarium, Pool, Water Or Any Other Liquid In a Snap! Are you tired of using the old paper strips or dangerous chemicals to test your pH? Of course you are! Itís time consuming and not even accurate! With our dev...


24-7 Nutrient Monitor, Replacement pH Probe
24-7 Nutrient Monitor, Replacement pH Probe
By CWP Instruments
In Stock
$49.95

ean: 0711320200024,

4.9 out of 5 stars with 22 reviews
If your 24-7 Nutrient Monitor pH electrode breaks or wears out, order this item. This electrode is also compatible with the combination Hanna meter listed on this site as HI9813-6 GROCHECK PORTABLE COMBO....


Growee Automated Nutrient and Ph Controller Doser
Growee Automated Nutrient and Ph Controller Doser
By Growee
In Stock
$799.00

ean: 0850005657125,

4.1 out of 5 stars with 36 reviews
Growee's smart device monitors the plant's environment and supplies an automated pH balancing and nutrient feeding solution. THE DEVICE Automatically balance the pH level according to the grower's settings. Automatically injects nutrients accordin...


Nutrient pH Tester HortiCare Trans Instruments
Nutrient pH Tester HortiCare Trans Instruments
By Unique Inc
In Stock
$54.00
4.1 out of 5 stars with 25 reviews
The HortiCare pH Check is specially designed for hydroponics nutrient test. The success of hydroponics lies in the control of nutrient solutions. Every plant species has its own pH requirement so its roots are able to absorb the nutrients more effect...


General Hydroponics pH Control Kit (2 Pack)
General Hydroponics pH Control Kit (2 Pack)
By General Hydroponics
In Stock
$40.95

ean: 0785614582363,

4.8 out of 5 stars with 44 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 liqui...



Viewing Page 2 of 4

View more products in Indoor Gardening & Hydroponics.
Feel free to Browse Our Catalog.

Scroll To Top


Privacy Policy / Terms of Service / Accessibility Statement
© 2019 - millhollownursery.com. All Rights Reserved.