Horticulture Source » Gardening & Hydroponics Store » Meters, Timers & Instruments » pH, EC, PPM & TDS Testers   Mobile   Secure |  My Account | Cart Contents | Checkout )
You have JavaScript disabled or are using a browser which does not support it. Please turn on JavaScript or consider upgrading or switching your web browser, e.g. FireFox or Opera.
Categories
* Lamps / Tubes / Bulbs ++ (521)
* Lighting Systems ++ (1083)
* Nutrients & Supplements (4367)
* Composters & Compost Tea Brewing (43)
* Organic Gardening (533)
* Leaf Shines & Washes (123)
* Pest & Disease Control (545)
* Cloning & Propagation (428)
* Grow Systems ++ (589)
! Meters, Timers & Instruments ++ (696)
 » Calibration, Storage & Cleaning Solutions, pH Up & Down (208)
 » Instruments, Thermometers, Hygrometers & Light Meters (24)
 » ! pH, EC, PPM & TDS Testers (341)
 » Timers & Lighting Controllers (123)
* Pots / Containers (1021)
* Pumps, Irrigation & Watering Supplies ++ (1558)
* Grow Media (566)
* Plant Seeds (18)
* Environmental Control ++ (1926)
* Greenhouses (90)
* Grow Rooms / Tents (166)
* Reflective / B&W Films (131)
* Garden Accessories ++ (892)
* Hand Tools ++ (523)
* Gardening Books & DVDs (59)
* Growing Apparel (11)
Manufacturers more
What's New? more
CNS17 Bloom, 2.5 gal
hf-BCCNS17B25
CNS17 Bloom, 2.5 gal
$37.01
Quick Find
Quick Find
Use keywords to find the product you are looking for.
Advanced Search

Information
Who else is online?
There are 21 guests online.
Frequent searches
Ads

What do we have here?
Meters, Timers & Instruments: pH, EC, PPM & TDS Testers: pH, EC, PPM & TDS Meters, Monitors, Testers, Pens & Test Kits for Water & Soil

Show: 
What do we have here?
Displaying 81 to 100 (of 341 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  [Next >>] 
 Sort by Popularity-   Manufacturer   Product(s)   Model   Price   Buy Now 
 Soil pH Meter   Bluelab   Soil pH Meter 
Bluelab Soil pH Meter (BLU2330E)The pH level of soils or substrates strongly influences crop performance. Do you know what the pH of your soil is? Soil pH measuring made simple! If you need to measure the pH level of soil, media or substrates, then the Bluelab Soil pH Meter is just what you need. This hand-held meter comes with a Soil pH Probe, Dibber/Auger, pH4.0 and pH 7.0 calibr... Note: Calibration Buffer Solutions are available separately. — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-BLU2330E   $164.45 
 Soil pH Probe   Bluelab   Soil pH Probe 
Bluelab Soil pH Probe (BLU24115)Handy for direct pH testing of soils or pH soil solutions. The non-refillable Bluelab Soil pH Probe is used to measure the pH levels of soil or media of cropping, pasture, containerised plants, home gardens, propagation culture... anywhere that the soils' pH requires testing. The Bluelab Soil pH Probe can be connected to the Bluelab pH Meter and Blue... Note: Calibration Buffer Solutions are available separately. — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-BLU24115   $75.90 
 Bluelab Dosetronic Peridoser Kit (Special Order)   Bluelab   Bluelab Dosetronic Peridoser Kit (Special Order) 
The simple solution for automatic feeding systems - perfect for commercial or large scale hydroponic growers. Optimize crop performance by providing consistent and accurate management of the feed system by using the Bluelab Dosetronic® Peridoser Kit. It's the easy way to control your system 24 hours a day, 7 days a week, 12 months a year, so you can focus on tending to your plants... — Ships separately from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-BLUDOPKITNA   $2,395.40 
 Bluelab Dosetronic Solenoid Kit (Special Order)   Bluelab   Bluelab Dosetronic Solenoid Kit (Special Order) 
The Bluelab Dosetronic Solenoid Kit provides you with everything you need to set up an accurate, easy to manage, automated hydroponic nutrient management system. This kit has been specially designed for hobby or small scale hydroponic growers. For commercial or large scale hydroponic growers please see our Bluelab Dosetronic Peridoser Kit. The Bluelab Dosetronic is also available... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-BLU24100   $1,598.50 
 Continuous Monitor/Portable PH meter   Milwaukee Instruments   Continuous Monitor/Portable PH meter 
Milwaukee Instruments Continuous Monitor/Portable PH meter (MIBEM101)pH Meter, Range 0.00 to 14.00 pH, With 2 Point Manual Calibration, Manual Temperature Compensation, ±0.02 pH Accuracy, comes with a SE220 Double Junction pH probe, 110 Volt Power Supply, & 9volt battery, With Unit Mounting Kit, Probe Holder, 20 ml. pH 7.01 & 4.01 Sachet Calibration Solution & Screwdriver fo... Note: Calibration Buffer Solutions are available separately. — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-MIBEM101   $104.87 
 EC/TDS Probe for HI981409 & HI981410   Hanna Instruments   EC/TDS Probe for HI981409 & HI981410 
Hanna Instruments EC/TDS Probe for HI981409 & HI981410 (HI1220)EC/TDS Probe for HI981409 & HI981410 with DIN connector measures 24 cm (9.4") and can be used to mix the fertilizer solution. The meter switches off after five minutes of inactivity to save battery life. The outer casing also incorporates a molded eye so that the meter can be hung right where it is needed. Calibration w... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI1220   $48.27 
 EC65 Waterproof Tester   Milwaukee Instruments   EC65 Waterproof Tester 
Milwaukee Instruments EC65 Waterproof Tester (MIC65)The C65 is a microprocessor-based conductivity tester with a rugged one-piece IP67 waterproof casing. Immersible up to the LCD. This instrument is a low-cost and easy to use meter with a replaceable electrode. Includes 3 1.5 volt button batteries.Features Automatic Temperature Compensation IP67 waterproof casing Replaceable ele... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-MIC65   $61.40 
 Eco Tester TDS High   Oakton   Eco Tester TDS High 
Oakton Eco Tester TDS High (OK3546215)New economical conductivity and TDS pocket meters feature a large, ergonomically designed display so that you can easily view measurements at a glance. The orientation of the display means there's no need to turn your head or tilt the tester. Waterproof and dustproof housing is designed for use in dirty and damp field conditions. Convenient, bu... Note: Calibration Buffer Solutions are available separately. — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-OK3546215   $61.40 
 Eco Tester TDS Low   Oakton   Eco Tester TDS Low 
Oakton Eco Tester TDS Low (OK3546210)New economical conductivity and TDS pocket meters feature a large, ergonomically designed display so that you can easily view measurements at a glance. The orientation of the display means there's no need to turn your head or tilt the tester. Waterproof and dustproof housing is designed for use in dirty and damp field conditions. Convenient, bui... Note: Calibration Buffer Solutions are available separately. — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-OK3546210   $60.02 
 GroChek EC Electrode   Hanna Instruments   GroChek EC Electrode 
Hanna Instruments GroChek EC Electrode (HI7632)Hanna replacement EC electrode for pocket testers. Manufacturer's Product Information MSRP each $57.95 Dimensions3 x 1.8 x 6.5 Case Quantity1 ... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI7632   $39.99 
 GroChek EC Monitor   Hanna Instruments   GroChek EC Monitor  
Hanna Instruments GroChek EC Monitor (HI983302N) Waterproof Rugged Housing Large LCD Manufacturer's Product Information MSRP each $114.95 Dimensions4.52 x 1 x 7 Case Quantity1 ... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI983302N   $79.32 
 GroChek EC Tester   Hanna Instruments   GroChek EC Tester 
Hanna Instruments GroChek EC Tester (HI981410)This EC tester has been specifically designed to address the needs of operators in hydroponics, greenhouses, and nurseries. Calibration is easy and completely automatic. Simply press and hold the on/off button for a few seconds and the meter will request the appropriate calibration solution. Place the probe in the solution and wait unti... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI981410   $80.01 
 GroChek Hanna pH Indicator   Hanna Instruments   GroChek Hanna pH Indicator 
Hanna Instruments GroChek Hanna pH Indicator (HI981401N)This pH indicator has been designed to meet the grower's need for equipment suited to the aggressive environments found in agricultural and hydroponics applications. The housing is water-resistant and features a molded eye which allows installation right above the sample to be monitored. Measurements are highly accurate and ca... Note: Calibration Buffer Solutions are available separately. — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI981401N   $95.90 
 GroChek pH Tester   Hanna Instruments   GroChek pH Tester 
Hanna Instruments GroChek pH Tester (HI981408)This tester has been specifically designed to address the needs of growers in hydroponics, greenhouses, and nurseries. The meter has all the features necessary to check the pH of the fertilizer solution during preparation. With a sturdy body, it also floats so that it can be quickly retrieved if accidentally dropped in the tank. Frequen... Note: Calibration Buffer Solutions are available separately. — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI981408   $78.63 
 GroChek pH/EC/TDS/Temp. Combo   Hanna Instruments   GroChek pH/EC/TDS/Temp. Combo 
Hanna Instruments GroChek pH/EC/TDS/Temp. Combo (HI991404)This indicator continuously monitors the three most crucial nutrient parameters in hydroponic, greenhouse, and horticultural applications. At startup, the GroChek performs a self-check to assure proper working condition. The stability indicator and HOLD function lets the user know when to take readings and freezes the readin... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI991404   $179.39 
 GroChek TDS Tester   Hanna Instruments   GroChek TDS Tester 
Hanna Instruments GroChek TDS Tester (HI981409)This TDS tester has been specifically designed to address the needs of operators in hydroponics, greenhouses, and nurseries. Calibration is easy and completely automatic. Simply press and hold the on/off button for a few seconds and the meter will request the appropriate calibration solution. Place the probe in the solution and wait un... Note: Calibration Buffer Solutions are available separately. — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI981409   $80.01 
 Hanna pH Kit for Hydroponics   Hanna Instruments   Hanna pH Kit for Hydroponics 
Hanna Instruments Hanna pH Kit for Hydroponics (HI98103H)Economical pH kit for all hydroponic growers. The Checker®1 is easy to calibrate, uses a replaceable pH electrode and works for 3000 hours before you have to change the batteries! Kit includes:• HI98103• Hard Plastic Case• Screwdriver for Calibration• pH 7.01 and 4.01 Sachets• Cleaning Solution Sa... Note: Calibration Buffer Solutions are available separately. — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI98103H   $37.92 
 HM Digital Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp   HM Digital   HM Digital Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp 
HydroMaster Digital testers make 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. HydroMaster HM-500 pH/EC/TDS/°F Tester (113831)• Tests pH at a range of 0 pH-14 pH, temperatures from 30°F-176°F, TDS fro... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HMD500   $247.25 
 Hydro RX Water & Soil   HydroFarm   Hydro RX Water & Soil 
Hydrofarm Hydro RX Water & Soil (HGLABTEST)Tired of guessing whether your water's nutrient levels are adequate? Hydro Rx takes the guess-work out of water management. Hydrofarm Test Lab has developed a kit that lets you manage your plants' nutrients with lab-tested precision. Hydro Rx is simple: Just take a source water, hydroponic solution, or soil sample and send it back to Hydro... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HGLABTEST   $29.87 
 MA 850 Replacement probe for SM801/802   Milwaukee Instruments   MA 850 Replacement probe for SM801/802 
Milwaukee Instruments MA 850 Replacement probe for SM801/802 (MIMA850)MA 850 Replacement probe FOR MISM802 ONLY, NOT MIMW802 Manufacturer's Product Information MSRP each $99.95 UPC810666006335 Dimensions5 x 5 x 10 Case Quantity1 ... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-MIMA850   $68.97 
Displaying 81 to 100 (of 341 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  [Next >>] 
Ads
Social Bookmark
Shopping Cart more
0 items - Add an item to the cart to get a quote!
 Get Quote by adding products to the cart!
Shop By Price
Reviews more
SUN SYSTEM®  4  HPS  150W
This is not a switchable or convertible and is either 150hps ..
1 of 5 Stars!
BizRate Customer Certified (GOLD) Site - HorticultureSource.com -Specialty Gardening Supply Reviews at Bizrate


Specials more
EcoPlus Replacement Eco 1/2 in Press on Tapered Fitting
EcoPlus Replacement Eco 1/2 in Press on Tapered Fitting
$1.15
$1.04
Most Viewed in pH, EC, PPM & TDS Meters, Monitors, Testers, Pens & Test Kits for Water & Soil
CW 24-7 NUTRIENT MONITOR PPM/pH/TEMPERATURE
CW 24-7 NUTRIENT MONITOR PPM/pH/TEMPERATURE
RAPITEST 4 WAY ANALYZER FERTILIZER/LIGHT/MOISTURE/pH MODEL 1880
RAPITEST 4 WAY ANALYZER FERTILIZER/LIGHT/MOISTURE/pH MODEL 1880
pH CONTROL KIT (12/CASE)
pH CONTROL KIT (12/CASE)
Control Wizard Accurate pH 8
Control Wizard Accurate pH 8
RAPITEST SOIL TEST pH NPK
RAPITEST SOIL TEST pH NPK
BLUELAB COMBINATION METER MEASURES pH, NUTRIENTS AND TEMPERATURE
BLUELAB COMBINATION METER MEASURES pH, NUTRIENTS AND TEMPERATURE
MI MW802 (was SM802) SMART pH/EC/TDS COMBINATION METER (1/CASE)
MI MW802 (was SM802) SMART pH/EC/TDS COMBINATION METER (1/CASE)
CW SOIL, pH AND MOISTURE MONITOR
CW SOIL, pH AND MOISTURE MONITOR
RAPITEST SOIL pH METER
RAPITEST SOIL pH METER
HANNA WATERPROOF PH/EC/TDS/TEMP (HI98129)
HANNA WATERPROOF PH/EC/TDS/TEMP (HI98129)
PH600-AQ PH METER 10/CS
PH600-AQ PH METER 10/CS
ORIGINAL TRUNCHEON METER MEASURE EC AND PPM
ORIGINAL TRUNCHEON METER MEASURE EC AND PPM
Hanna Tri-Meter - pH/TDS/Temp. (HI981504/7)
Hanna Tri-Meter - pH/TDS/Temp. (HI981504/7)
BLUELAB GUARDIAN MONITOR
BLUELAB GUARDIAN MONITOR
REPLACEMENT PROBE FOR BLUELAB COMBINATION METER & pH MONITORS
REPLACEMENT PROBE FOR BLUELAB COMBINATION METER & pH MONITORS
24-7 Nutrient Monitor.
24-7 Nutrient Monitor.
pHydrion Litmus Paper. (ph Test Strip)
pHydrion Litmus Paper. (ph Test Strip)
Grocheck Combo Meter.
Grocheck Combo Meter.
pH TEST KIT 1OZ (24/CASE)
pH TEST KIT 1OZ (24/CASE)
KILL A WATT METER
KILL A WATT METER
Bestsellers
01.RAPITEST SOIL TEST pH NPK
02.Bluelab Replacement pH Probe for Guardian, Combo, & pH Meter
03.Checker pH Tester with Replaceable Electrode
04.Hydroponic Essentials pH Test Kit
05.Continuous pH/TDS/temp Monitor
06.Digital pH Controller
07.Combo pH/EC/TDS/C/PPM Tester
08.Nutradip PH AC/DC Combo Meter
09.Bluelab pH Pen
10.EC/TDS/Temp Waterproof Hydro Tester
11.BlueLab Combo Meter
12.Nutradip (Tri Meter) Nutradip Grow Boss
13.Rapitest Digital 3-Way Analyzer
14.GroChek pH/EC/TDS/C Portable meter
15.pH Controller Sampling Kit
Languages
English Deutsch Español
Currencies
Feeds
RSS 2.0
Google Sitemap
ROR Sitemap
ROR Feed
Ads
Amazon Ad
Ads

Customer Service

 

Shopping Help

 

My Account

 

Tools & Resources

BizRate Customer Certified (GOLD) Site - HorticultureSource.com -Specialty Gardening Supply Reviews at Bizrate ShopWiki Certified Store Official PayPal Seal
Merchant Services
Secured by RapidSSL 100% Satisfaction Guaranteed  Proud Hydro for Hunger Participant
Matched Content
APO/FPO addresses are no problem.
International orders are always welcome!
UPSFedExUSPS OnTrac CalOver EstesR+LSouthEasternSAIA
Copyright © 2005 — 2016 Usisu, Inc.: Conditions of Use VISAMasterCardAmerican ExpressDiscoverDiners ClubJBCPayPal Money Order