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.
Celebrating 10 Years of Service to Gardeners in 91 Countries! Thank you for your business!
Categories
* Lamps / Tubes / Bulbs ++ (529)
* Lighting Systems ++ (1132)
* Nutrients & Supplements (4328)
* Composters & Compost Tea Brewing (43)
* Organic Gardening (542)
* Leaf Shines & Washes (98)
* Pest & Disease Control (568)
* Cloning & Propagation (445)
* Grow Systems ++ (590)
! Meters, Timers & Instruments ++ (672)
 » Calibration, Storage & Cleaning Solutions, pH Up & Down (210)
 » Instruments, Thermometers, Hygrometers & Light Meters (24)
 » ! pH, EC, PPM & TDS Testers (318)
 » Timers & Lighting Controllers (120)
* Pots / Containers (1015)
* Pumps, Irrigation & Watering Supplies ++ (1630)
* Grow Media (569)
* Plant Seeds (21)
* Environmental Control ++ (1948)
* Greenhouses (89)
* Grow Rooms / Tents (167)
* Reflective / B&W Films (141)
* Garden Accessories ++ (957)
* Hand Tools ++ (525)
* Gardening Books & DVDs (59)
* Growing Apparel & Bags (45)
Manufacturers more
What's New? more
HydroDynamics Clonex Mycorrhizae Root Maximizer 1 lb Granular (8/Cs)
726036
HydroDynamics Clonex Mycorrhizae Root Maximizer 1 lb Granular (8/Cs)
$56.93
Quick Find
Quick Find
Use keywords to find the product you are looking for.
Advanced Search

Information
Who else is online?
There are 51 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 61 to 80 (of 318 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  [Next >>] 
 Sort by Popularity-   Manufacturer   Product(s)   Model   Price   Buy Now 
 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   $43.46 
 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   $108.30 
 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   $142.82 
 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   $122.10 
 Dissolved Oxygen Meter   Milwaukee Instruments   Dissolved Oxygen Meter 
Milwaukee Instruments Dissolved Oxygen Meter (MISM600)Entry level, inexpensive Dissolved Oxygen Portable Meter for fast and reliable results. The MISM600 is a compact Portable Dissolved Oxygen meter with Faster Micro Processor. This handy and ergonomically designed portable meter is ideal for anyone working on alow budget and still requires fast and reliable measure-ments. This por... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-MISM600   $195.93 
 DiST 1 TDS Tester   Hanna Instruments   DiST 1 TDS Tester 
Hanna Instruments DiST 1 TDS Tester (HI98301)DiSTs are rugged and reliable pocket-sized testers that offer quick and accurate readings of conductivity or TDS. The DiST family of testers is widely used for monitoring EC/TDS in drinking water, water conditioning, reverse osmosis, cooling towers, wastewater, laboratories, agriculture, aquaculture and aquariums, hydroponics, and the pr... 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-HI98301   $47.60  $43.05 
 GroChek Hanna EC/TDS Monitor w/ HI7632 EC Probe   Hanna Instruments   GroChek Hanna EC/TDS Monitor w/ HI7632 EC Probe 
Hanna Instruments GroChek Hanna EC/TDS Monitor w/ HI7632 EC Probe (HI983301N)Waterproof and chemically resistant, this monitor has been designed to meet the grower's need for equipment suited to the aggressive environments found in agricultural and hydroponics applications. At startup, the meter performs a self-check to ensure proper working condition. This monitor from Hanna has ... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI983301N   $79.32 
 GroChek pH & TDS Combo Continuous Reading Meter   Hanna Instruments   GroChek pH & TDS Combo Continuous Reading Meter 
Hanna Instruments GroChek pH & TDS Combo Continuous Reading Meter (HI981404N)This continuous reading meter is ideal for agricultural, horticultural, and hydroponics applications where pH and TDS levels need to be continuously monitored for optimal plant growth. This instrument continuously monitors and displays the values of a solution on an easy to read set of LCDs. The gel-filled... 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-HI981404N   $155.24 
 Guardian Monitor   Bluelab   Guardian Monitor 
Bluelab Guardian Monitor (BLU27100)In just one glance it magically measures all 3 critical parameters for successful growth; pH, conductivity AND temperature. The Bluelab Guardian Monitor is a constant indicator of the desired levels of EC/ppm 700/TDS/CF, pH and temperature, enabling the grower to optimise these parameters as the crop progresses through each growing phase. The Blue... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-BLU27100   $271.98 
 MC720 Dosing Pump Kit   Milwaukee Instruments   MC720 Dosing Pump Kit 
The MC720 Kit -- Comes with the MC122 pH controller and MP810 dosing pump The small and precise flow of the MP810 provides fully automated pH control of aqueous solutions in the hydroponic systems. It has been specifically designed to control the pH in mixing tanks for fertilization. The peristaltic pump allows you to maintain the ideal pH values in your tank. After selecting th... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-MIMC720   $233.21 
 Oakton Replaceable Electrodes pH WP 2 Pen   Oakton   Oakton Replaceable Electrodes pH WP 2 Pen 
Oakton Oakton Replaceable Electrodes pH WP 2 Pen (OK3562429)This part number is just for a replacement electrode 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... 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-OK3562429   $54.50 
 pH Combination Electrode (SPECIAL ORDER)   Hanna Instruments   pH Combination Electrode (SPECIAL ORDER) 
Hanna Instruments pH Combination Electrode (HI1333B) (SPECIAL ORDER)pH combination electrode Ultem body double-junction, refillable, cloth junction, gel filled, 1m cable Manufacturer's Product Information MSRP each $60.95 Dimensions2.75 x 0.25 x ... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI1333B   $42.06 
 pH Controller 115V   Hanna Instruments   pH Controller 115V 
Hanna Instruments pH Controller 115V (HIBL981411-1)This pH controller has been designed for easy, affordable installation in tight spaces, ideal for simple and effective process control. The unit is provided with high impedance pH input and can be used with any pH electrode with standard BNC connector. Measurements are clearly displayed on the LCD, while the status LED indicates op... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HIBL981411-1   $151.79 
 PH/EC/TDS/C Portable Meters   Hanna Instruments   PH/EC/TDS/C Portable Meters 
Hanna Instruments PH/EC/TDS/C Portable Meters (HI9811-5N)Experience ease and simplicity in taking pH, µS/cm, ppm (mg/L), and temperature measurements with this pH/EC/TDS waterproof meter, which is ideal for hydroponics, greenhouses, farming, and groundwater applications. Due to the built-in temperature sensor, conductivity readings are automatically compensated for temperatur... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI9811-5N   $184.22 
 Rapitest Digital Soil Test Kit   Luster Leaf Products, Inc.   Rapitest Digital Soil Test Kit 
Quickly and easily tests soil samples measuring levels of pH, Nitrogen, Phosphorus, and Potash.... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-LL01605   $26.55 
 Rapitest pH Soil Tester   Luster Leaf Products, Inc.   Rapitest pH Soil Tester 
Luster Leaf Rapitest pH Soil Tester (LL01612)10 tests for pH, patented comparator test system. Manufacturer's Product Information MSRP each $5.45 UPC035307016256 Dimensions4.02 x 1.58 x 12.13 Case Weight2 Case Quantity12 ... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-LL01612   $4.96 
 Rapitest Soil Test Kit   Luster Leaf Products, Inc.   Rapitest Soil Test Kit 
Luster Leaf Rapitest Soil Test Kit (LL01601)40 tests: 10 each for pH, nitrogen, phosphorus and potash. Patented color comparator system. Manufacturer's Product Information MSRP each $17.95 UPC035307016126 Dimensions4.38 x 7.44 x 1.32 Case W... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-LL01601   $13.65 
 Replacement probe for HI9026   Hanna Instruments   Replacement probe for HI9026 
Hanna Instruments Replacement probe for HI9026 (HI1230B)This replacement probe supports the combination pH electrode for field applications. The HI 9026 is an advanced pH/ORP meter specifically designed to provide affordable and very precise results under harsh industrial conditions. The meter features a backlit display for clear readings in the darkest environments. When calibra... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI1230B   $73.80 
 Replacement Probe for MIMW802 ONLY   Milwaukee Instruments   Replacement Probe for MIMW802 ONLY 
Milwaukee Instruments Replacement Probe for MIMW802 ONLY (MISE600)Combination Probe For pH/EC/TDS with 1 meter cable  ** FOR NEW STYLE MIMW802 UNITS ONLY, NOT MISM802 Manufacturer's Product Information MSRP each $99.95 UPC810666003112 Dimensions... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-MISE600   $77.96 
 Replacement Sensor   Oakton   Replacement Sensor 
Oakton Replacement Sensor (OK3542550)Replacement sensor for Oakton Waterproof Multiparameter TestrTM 35-series Pocket Meters (OK3542500 and OK3542505). Manufacturer's Product Information MSRP each $104.95 Dimensions6 x 1 x 10 Case Quantity1 ... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-OK3542550   $82.10 
Displaying 61 to 80 (of 318 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  [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
Titan Controls Ares 4 LP Four Burner CO2 Generator
If you dont own one then buy one. big increase in growth if ..
5 of 5 Stars!
BizRate Customer Certified (GOLD) Site - HorticultureSource.com -Specialty Gardening Supply Reviews at Bizrate


Specials more
Uprising Grow 3lb
Uprising Grow 3lb
$13.80
$12.48
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
PH600-AQ PH METER 10/CS
PH600-AQ PH METER 10/CS
RAPITEST SOIL pH METER
RAPITEST SOIL pH METER
BLUELAB GUARDIAN MONITOR
BLUELAB GUARDIAN MONITOR
Hanna Tri-Meter - pH/TDS/Temp. (HI981504/7)
Hanna Tri-Meter - pH/TDS/Temp. (HI981504/7)
ORIGINAL TRUNCHEON METER MEASURE EC AND PPM
ORIGINAL TRUNCHEON METER MEASURE EC AND PPM
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
OAKTON WATERPROOF pH TESTER 30
OAKTON WATERPROOF pH TESTER 30
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.Nutradip (Tri Meter) Nutradip Grow Boss
05.Hydroponic Essentials pH Test Kit
06.Continuous pH/TDS/temp Monitor
07.EC/TDS/Temp Waterproof Hydro Tester
08.Combo pH/EC/TDS/C/PPM Tester
09.Bluelab pH Pen
10.Digital pH Controller
11.Nutradip PH AC/DC Combo Meter
12.BlueLab Combo Meter
13.Bluelab Guardian Monitor Power Supply
14.Rapitest Digital 3-Way Analyzer
15.GroChek pH/EC/TDS/C Portable meter
Languages
English Deutsch Español
Currencies
Feeds
RSS 2.0
Google Sitemap
ROR Sitemap
ROR Feed
Ads
Amazon Ad
Matched Content
Ads
Summerstone Nursery

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  Celebrating 10 Years of Service to Gardeners in 91 Countries! Thank you for your business!  Proud Hydro for Hunger Participant
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