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 ++ (509)
* Lighting Systems ++ (1081)
* Nutrients & Supplements (4284)
* Composters & Compost Tea Brewing (43)
* Organic Gardening (537)
* Leaf Shines & Washes (125)
* Pest & Disease Control (542)
* Cloning & Propagation (425)
* Grow Systems ++ (594)
! Meters, Timers & Instruments ++ (702)
 » Calibration, Storage & Cleaning Solutions, pH Up & Down (213)
 » Instruments, Thermometers, Hygrometers & Light Meters (24)
 » ! pH, EC, PPM & TDS Testers (342)
 » Timers & Lighting Controllers (123)
* Pots / Containers (999)
* Pumps, Irrigation & Watering Supplies ++ (1556)
* Grow Media (558)
* Plant Seeds (18)
* Environmental Control ++ (1924)
* Greenhouses (90)
* Grow Rooms / Tents (166)
* Reflective / B&W Films (130)
* Garden Accessories ++ (875)
* Hand Tools ++ (522)
* Gardening Books & DVDs (59)
* Growing Apparel (11)
Manufacturers more
What's New? more
Soul Big Swell 5 Gallon
715346
Soul Big Swell 5 Gallon
$379.50
Quick Find
Quick Find
Use keywords to find the product you are looking for.
Advanced Search

Information
Who else is online?
There are 22 guests and 
1 logged in customer 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 41 to 60 (of 342 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 
 Waterproof EcoTster pH1   Oakton   Waterproof EcoTster pH1 
Oakton Waterproof EcoTster pH1 (OK35423-00)Ideal for Student, Hydroponics, and Hobbyist use! Economical, pocket sized meter is perfect for less demanding applications Waterproof, dustproof housings float Easy to use; push-button calibration with auto buffer recognition Includes transparent electrode cover / sample cup Push-button calibration, HOLD function, and error messagesOAKT... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA...more info.
 hf-OK35423-00   $49.48 
 Bluelab Connect Stick   Bluelab   Bluelab Connect Stick 
Get connected - data log and view nutrient measurements from your crop wirelessly. The Bluelab Connect Stick receives wireless data from Bluelab Connect Monitors or Controllers, logging the data to the cloud. One Connect Stick will receive data from multiple Bluelab Connect Devices. Simply place the Connect Stick into a USB port on your computer, download and install the free Con... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA...more info.
 hf-BLU8002   $101.70 
 Commercial Grade Combo pH/EC/TDS/Temp Meter (SPECIAL ORDER)      Commercial Grade Combo pH/EC/TDS/Temp Meter (SPECIAL ORDER) 
Martini Instruments Commercial Grade Combo pH/EC/TDS/Temp Meter (MI805) (SPECIAL ORDER) Multi-range pH/EC/TDS and Temperature meter - 4-in-1 pH/EC/TDS/Temperature probe - The rugged MA851D/1 probe has been designed for heavy-duty applications (agriculture, industrial, etc.)RANGE:0.00 - 14.00 pH 0 - 3999 µS/cm 0 - 1999 ppm 0.0 - 60.0°C 32.0 - 140.0°... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA...more info.
 hf-MI805   $340.10 
 DiST 5 EC/TDS Meter   Hanna Instruments   DiST 5 EC/TDS Meter 
Hanna Instruments DiST 5 EC/TDS Meter (HI98311)When the original DiST (Dissolved Solids Tester) was first introduced, conductivity and total dissolved solids measurements became easy and affordable. The DiST's ease of use, in combination with its affordability, made it the standard in EC and TDS measurement. HANNA continues the standard in EC and TDS testing with the DiST 5. This ... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA...more info.
 hf-HI98311   $89.48 
 Double Junction PH Probe for MW100   Milwaukee Instruments   Double Junction PH Probe for MW100 
Milwaukee Instruments Double Junction PH Probe for MW100 (MISE220)Double junction pH electrode with 1 meter ccable and gel filled electrolyte solution for all "MW" and old style "SM" pH units.**Note: This probe replaces the old MA911B/1 Manufacturer's Product Information ... 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-MISE220   $42.70 
 GroChek Hanna pH/EC/TDS/C/PPT Pocket Tester   Hanna Instruments   GroChek Hanna pH/EC/TDS/C/PPT Pocket Tester 
Hanna Instruments GroChek Hanna pH/EC/TDS/C/PPT Pocket Tester (HI98130)Here is a waterproof tester that offers high accuracy pH, EC/TDS, and temperature measurements in a single tester! No more switching between meters for your routine measurements. This floating, waterproof combination tester has an easy to read LCD and an automatic shut-off. pH and EC/TDS readings are automatical... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA...more info.
 hf-HI98130   $135.59 
 Hanna GroChek pHEP 4 Meter   Hanna Instruments   Hanna GroChek pHEP 4 Meter 
Hanna Instruments Hanna GroChek pHEP 4 Meter (HI98127)The pHEP 4 includes a dual-level LCD, battery level indicator, BEPS, replaceable pH electrode cartridge, stability indicator, automatic shut-off, electrode removal tool, and automatic calibration -- all in a floating, waterproof casing. It is ideal for users who require the greatest accuracy and features while staying econo... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA...more info.
 hf-HI98127   $79.31 
 Waterproof EC/TDS/Temp Combo Meter   HM Digital   Waterproof EC/TDS/Temp Combo Meter 
HM Digital Meters Waterproof EC/TDS/Temp Combo Meter (HMDCOM100) Measures EC, TDS and temperature. It has three different calibration options (KCl, 442TM, NaCl), each with its own non-linear conversion factor, and Automatic Temperature Compensation (ATC) using three temperature coefficients. Measurement Range: 0-9990 uS; 0-8560 ppm (auto ranging). ... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA...more info.
 hf-HMDCOM100   $51.92 
 Digital Moisture Meter   Luster Leaf Products, Inc.   Digital Moisture Meter 
Luster Leaf Digital Moisture Meter (LL01825)This sleek updated design offers an instant and easy to read digital format. It checks soil moisture where it counts: at root level. Monitoring a plant's soil moisture level helps prevent over and / or under watering. Batteries required and included. Manufacturer's Product Information ... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA...more info.
 hf-LL01825   $10.57 
 Digital pH Meter   Luster Leaf Products, Inc.   Digital pH Meter 
Luster Leaf Digital pH Meter (LL01845)The slender redesigned meter style provides an easier to read, instant digtal read-out. It measures and displays the acidity / alkalinity of garden and container soil. Batteries are required and included. Manufacturer's Product Information ... 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-LL01845   $12.19 
 pH Replacement Electrode for HI98103, HI9910   Hanna Instruments   pH Replacement Electrode for HI98103, HI9910 
Hanna Instruments pH Replacement Electrode for HI98103, HI9910 (HI1270)Spare pH electrode for HI98103 and HI9910 with cloth junction, for general purpose, field applications. Manufacturer's Product Information MSRP each $29.95 Dimensions2 x 1.9 x 9.6 ... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA...more info.
 hf-HI1270   $20.31 
 PH/Temperature Meter   HM Digital   PH/Temperature Meter 
HM Digital Meters PH/Temperature Meter (HMDPHM80)pH/temperature meter. Manufacturer's Product Information MSRP each $62.95 Dimensions2.25 x 2.25 x 3.75 Case Weight3 Case Quantity10 ... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA...more info.
 hf-HMDPHM80   $42.71 
 Tri Calibration kit PPM/EC, pH 4, pH 7 500ml   FHD (Future Harvest Development)   Tri Calibration kit PPM/EC, pH 4, pH 7 500ml 
Nutradip (Tri Meter) Tri Calibration kit PPM/EC, pH 4, pH 7 500ml (ND1100041)Monitoring your nutrient strength and the acidity in your nutrient solution is a simple process with outstanding results! Start managing your crop's nutrient requirements with Nutradip, and get the results you deserve! Managing nutrient strength and pH levels is critical to achieving maximum yields. The f... 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-ND1100041   $15.98 
 Bluelab Connect Range Extender (Special Order)   Bluelab   Bluelab Connect Range Extender (Special Order) 
Boost the wireless range between Bluelab Connect Products. The Bluelab Connect Range Extender is required if you need to boost the signal range for wireless monitoring of your crop. Simply plug into a power supply to use when there is a longer distance to cover between Bluelab Connect devices and the Bluelab Connect Stick. For extra-long distances multiple Connect Range Extenders... — Ships separately from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA...more info.
 hf-BLU8003   $111.19 
 Bluelab pH meter with probe   Bluelab   Bluelab pH meter with probe 
Bluelab Bluelab pH meter with probe (BLU2320E)The Bluelab pH Meter is used to accurately measure the pH value of a solution. Simply place the Bluelab pH probe into the solution and the reading will be displayed on the screen. As the meter is portable and does not need a power supply to operate, it can be used anywhere and anytime to help you manage your crops' daily nutrient requir... 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-BLU2320E   $142.38 
 Bluelab ppm Pen   Bluelab   Bluelab ppm Pen 
Bluelab Bluelab ppm Pen (BLU2221)The ultimate handy solution for measuring conductivity! The Bluelab ppm Pen is the latest innovation for hand held conductivity meters. It provides a compact, quick and handy way to manage the success of your crops. The Bluelab ppm Pen simply tells you that your plants have the right amount of nutrient in your solution and lets you know if adjustmen... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA...more info.
 hf-BLU2221   $63.62 
 Champ pH Tester   Hanna Instruments   Champ pH Tester 
Hanna Instruments Champ pH Tester (HI98106)The Champ revolutionized the pH industry by providing non-technical personnel with a simple, inexpensive solution to accurate pH measurement. This tester is used by millions of people around the world to monitor pH in laboratories and industrial applications as well as in agriculture, fish farming, food manufacturing and quality control, s... 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-HI98106   $42.70 
 Conductivity/TDS Probe for Soil Measurement of HI993310 (SPECIAL ORDER)   Hanna Instruments   Conductivity/TDS Probe for Soil Measurement of HI993310 (SPECIAL ORDER) 
Hanna Instruments Conductivity/TDS Probe for Soil Measurement of HI993310 (HI76305)(SPECIAL ORDER) Stainless steel conductivity probe with internal temperature sensor, DIN connector and 1 m (3.3') cable for direct soil measurement. For use with HI993310 only.   Manufacturer's Product Information ... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA...more info.
 hf-HI76305   $106.41 
 Digital Brix Refractometer Range - 0 to 85   Milwaukee Instruments   Digital Brix Refractometer Range - 0 to 85 
Milwaukee Instruments Digital Brix Refractometer Range - 0 to 85 (MIMA871)Digital Sugar Refractometer for general purpose with automatic temperature compensation (ATC).Range 0-85% Brix, resolution 0.1%, units come with battery. Manufacturer's Product Information MSRP each $169... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA...more info.
 hf-MIMA871   $140.33 
 Digital Light Meter (SPECIAL ORDER)   Hanna Instruments   Digital Light Meter (SPECIAL ORDER) 
Hanna Instruments Digital Light Meter (HI97500) (SPECIAL ORDER)Designed for simplicity of use in taking rapid light measurements, this product is a portable lux meter designed to perform light measurements simply and accurately. The instrument is supplied with a light sensor connected by a fixed 1.5 m coaxial cable to allow measurements to be taken from a distance without any inter... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA...more info.
 hf-HI97500   $119.97 
Displaying 41 to 60 (of 342 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
6 Outlet Air Manifold
goodgoodgoodgoo-
dgoodgoodgoodgo-
odgoodgoodgoodg-
oodgoodgoodgood ..

5 of 5 Stars!
BizRate Customer Certified (GOLD) Site - HorticultureSource.com -Specialty Gardening Supply Reviews at Bizrate


Specials more
SunBlaster NanoTech T5 HO Fixture 4 ft w/ NanoTech Reflector Combo (6/Cs)
SunBlaster NanoTech T5 HO Fixture 4 ft w/ NanoTech Reflector Combo (6/Cs)
$35.09
$32.01
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)
BLUELAB COMBINATION METER MEASURES pH, NUTRIENTS AND TEMPERATURE
BLUELAB COMBINATION METER MEASURES pH, NUTRIENTS AND TEMPERATURE
Control Wizard Accurate pH 8
Control Wizard Accurate pH 8
RAPITEST SOIL TEST pH NPK
RAPITEST SOIL TEST pH NPK
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.Digital pH Controller
06.Nutradip PH AC/DC Combo Meter
07.Bluelab pH Pen
08.Combo pH/EC/TDS/C/PPM Tester
09.EC/TDS/Temp Waterproof Hydro Tester
10.BlueLab Combo Meter
11.GroChek pH/EC/TDS/C Portable meter
12.Nutradip (Tri Meter) Nutradip Grow Boss
13.Rapitest Digital 3-Way Analyzer
14.pH Controller Sampling Kit
15.Bluelab Guardian Monitor Power Supply
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