Horticulture Source   Lowest prices guaranteed: We beat and match prices!

Shop 14,300+ Horticultural, Organic & Hydroponics items!

  Contact Us Download vCard    Follow us on Twitter Our Facebook Profile
 
  Search: Quick Find  
Help [?] Phrase Advanced Search
 
Bookmark and Share
 
Secure   My Account   Cart Contents   Checkout  
  Horticulture Source » Discount Specialty Farm, Greenhouse, Garden & Hydroponics Supply 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 ++ (545)
* Lighting Systems ++ (1151)
* Nutrients & Supplements (3871)
* Composters & Compost Tea Brewing (37)
* Organic Gardening (462)
* Leaf Shines & Washes (104)
* Pest & Disease Control (515)
* Cloning & Propagation (368)
* Grow Systems ++ (639)
! Meters, Timers & Instruments ++ (693)
 » Calibration, Storage & Cleaning Solutions, pH Up & Down (214)
 » Instruments, Thermometers, Hygrometers & Light Meters (29)
 » ! pH, EC, PPM & TDS Testers (345)
 » Timers & Lighting Controllers (105)
* Pots / Containers (878)
* Pumps, Irrigation & Watering Supplies ++ (1392)
* Grow Media (538)
* Plant Seeds (10)
* Environmental Control ++ (1920)
* Greenhouses (82)
* Grow Rooms / Tents (125)
* Reflective / B&W Films (120)
* Garden Accessories ++ (737)
* Hand Tools ++ (511)
* Gardening Books & DVDs (57)
* Growing Apparel (3)
* Aquaculture / Aquarium / Reef Tank / Marine ++ (2)
Manufacturers more
What's New? more
Bat Guano Grow 5-2-1, 20 lbs
hf-HOF01185
Bat Guano Grow 5-2-1, 20 lbs
$61.81
Quick Find
Quick Find
Use keywords to find the product you are looking for.
Advanced Search

Information
Who else is online?
There are 441 guests and 
3 logged in customers online.
Frequent search words
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 101 to 120 (of 345 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 
 HANNA REPLACEMENT PH PROBE (HI73127) Special Order   Hanna Instruments   HANNA REPLACEMENT PH PROBE (HI73127) Special Order 
FOR Hanna Combo pH/EC/TDS/Temperature Tester With Low Range EC (Model HI 98129) The HI 98129 Combo waterproof tester offer high accuracy pH, EC/TDS and temperature measurements in a single tester! No more switching between meters for your routine measurements. The waterproof Combo (it even floats) has a large easy-to-read, dual-level LCD and automatic shut-off. pH and EC/TDS rea... Note: Calibration Buffer Solutions are available separately. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716831   $49.56 
 HANNA PRIMO TDS TESTER   Hanna Instruments   HANNA PRIMO TDS TESTER 
Hanna Primo TDS Tester The Primo TDS tester provides a fast and dependable way to measure the Total Dissolved Solids in your water samples. It is ideally suited for the rigorous demands of water quality professionals, who will appreciate the practicality of Primo's easy-to-read LCD when demonstrating the before and after results of conditioning and filtration systems. Temperat... Note: Calibration Buffer Solutions are available separately. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716833   $33.68 
 HANNA REPLACEMENT PROBE (HI1285-0) Special Order   Hanna Instruments   HANNA REPLACEMENT PROBE (HI1285-0) Special Order 
FOR Hanna Waterproof pH/EC/TDS Meter (Model HI 9813-0) HI 9813-0 allows you to measure pH, EC (conductivity) and TDS with just one instrument! This meter has a full-spectrum pH measurement range. The EC range goes to 4.00 mS/cm. In the TDS range, both instruments use a conversion factor from 0.56 to 0.72 for fertilizer readings, to ensure your measurements fully conform to in... — Ships separately from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716836   $107.81 
 HANNA PHEP METER (HI98107)   Hanna Instruments   HANNA PHEP METER (HI98107) 
Hanna PHEP Tester (Model HI 98107) The HI 98107 (pHep®), which is the result of over two decades of research and manufacturing experience, is the updated version of our widely popular 96107 (pHep®). Today the redesigned pHep series feature a rugged and ergonomically enhanced casing that fits comfortably in your hand and a larger LCD which makes it easier to read at any angle. Wi... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716840   $44.87 
 HANNA PH 1500PPM CAL SOL. 16 oz 12/CASE   Hanna Instruments   HANNA PH 1500PPM CAL SOL. 16 oz 12/CASE 
Hanna 1500PPM and 1413 uS-CM Calibration Solutions MSRP: $19.49... Note: Calibration Buffer Solutions are available separately. This item is sold individually. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716855   $16.04 
 HANNA PH 1413 uS/CM CAL SOL 16OZ 12/CASE   Hanna Instruments   HANNA PH 1413 uS/CM CAL SOL 16OZ 12/CASE 
Hanna 1500PPM and 1413 uS-CM Calibration Solutions MSRP: $19.49... Note: Calibration Buffer Solutions are available separately. This item is sold individually. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716860   $16.04 
 HANNA PH/TDS PEN BATTERIES 12/PACK   Hanna Instruments   HANNA PH/TDS PEN BATTERIES 12/PACK 
Hanna Batteries For PH-TDS Pens 12 Pack MSRP: $19.95... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716865   $16.84 
 HANNA GROCHEK®  GROCHECK TDS MONITOR (MODEL HI 983301N)   Hanna Instruments   HANNA GROCHEK® GROCHECK TDS MONITOR (MODEL HI 983301N) 
Hanna GroCheck TDS Monitor (Model HI983301N) HANNA GRO'CHEK TDS MONITOR (HI 983301N) These state-of-the-art meters have been engineered with a host of features suited to the aggressive environments commonly found in agricultural applications; housings and cable connections have been sealed against vapor and humidity. With a 12 volt DC power supply included with the meter, low... Note: Calibration Buffer Solutions are available separately. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716870   $82.05 
 HANNA GROCHEK®  pH 4.01 CALIBRATION SOLUNTION - 20 ML (CASE of 25) MODEL # HI 70004P (FULL CASE QUANTITIES ONLY)   Hanna Instruments   HANNA GROCHEK® pH 4.01 CALIBRATION SOLUNTION - 20 ML (CASE of 25) MODEL # HI 70004P (FULL CASE QUANTITIES ONLY) 
Hanna 20 ml Packet Solution HANNA PH 4.01 CALIBRATON SOL 20ML 25/CS MSRP: $1.29 each packet... Note: Calibration Buffer Solutions are available separately. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716875   $26.13 
 HANNA GROCHEK®  pH 7.01 CALIBRATION SOLUNTION - 20 ML (CASE of 25) MODEL # HI 70007P (FULL CASE QUANTITIES ONLY)   Hanna Instruments   HANNA GROCHEK® pH 7.01 CALIBRATION SOLUNTION - 20 ML (CASE of 25) MODEL # HI 70007P (FULL CASE QUANTITIES ONLY) 
Hanna 20 ml Packet Solution HANNA PH 7.01 CALIBRATON SOL 20ML 25/CS MSRP: $1.29 each packet... Note: Calibration Buffer Solutions are available separately. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716876   $26.13 
 HANNA GROCHEK®  pH 10.01 CALIBRATION SOLUNTION - 20 ML (CASE of 25) MODEL # HI 700010P (FULL CASE QUANTITIES ONLY)   Hanna Instruments   HANNA GROCHEK® pH 10.01 CALIBRATION SOLUNTION - 20 ML (CASE of 25) MODEL # HI 700010P (FULL CASE QUANTITIES ONLY) 
Hanna 20 ml Packet Solution HANNA PH 10.01 CALIBRATON SOL 20ML 25/CS MSRP: $1.29 each packet... Note: Calibration Buffer Solutions are available separately. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716877   $26.13 
 Rapitest Digital Moisture Meter   Luster Leaf Products, Inc.   Rapitest Digital Moisture Meter 
Rapitest Digital Moisture Meter Rapitest Digital Moisture Meter tests for moisture at the roots - where it matters - you no longer risk over watering a healthy plant just because the soil near the surface is dry or under-watering because it appears moist. Ideal for houseplants, window boxes, patio tubs and hanging baskets. Instant digital read-out. Checks soi... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716900   $9.40 
 Rapitest Digital Plus Moisture Meter   Luster Leaf Products, Inc.   Rapitest Digital Plus Moisture Meter 
New digital technology take the guess out of determining the watering needs for lawns, flowers, shrubs and houseplants. The Rapitest Digital Plus Rapitest Digital Plus Moisture Meter Soil Moisture Meter is programmed with moisture requirements for over 150 vegetables, landscape plants, healthy perennials and vigorous house plants. The meter's numeric format is easy to read. ... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716905   $14.09 
 Rapitest Digital Soil PH Meter   Luster Leaf Products, Inc.   Rapitest Digital Soil PH Meter 
Rapitest Digital Soil PH Meter Plants need the correct pH level which controls how well plants utilize the nutrients available in your soil. All plants have a pH preference, so it is important to know the pH level of your soil. You can choose plants with the same pH preferences, avoid those that will not do well in your soil, or know how to go about supplying their special gro... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716910   $10.65 
 Rapitest Digital Plus Soil pH Meter   Luster Leaf Products, Inc.   Rapitest Digital Plus Soil pH Meter 
Rapitest Digital Plus Soil pH MeterThe Rapitest Digital Plus Soil pH Meter is programmed with plant pH preferences for over 400 fruits, vegetables, grasses and landscape plants. The meter's numeric format is easy to read. All results are displayed on the digital LCD screen, ranging from 3.5 to 9.0. Measures the acidity or alkalinity of your soil. Instant digita... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716915   $21.38 
 Rapitest Soil Tester (12/Cs)   Luster Leaf Products, Inc.   Rapitest Soil Tester (12/Cs) 
Rapitest Soil Tester It’s vital to know the existing pH, Nitrogen, Phosphorus and Potash levels in garden soil. The soil’s pH controls the availability of these three nutrients essential to plant health. Test results allow the gardener to amend and fertilize appropriately, ensuring the best possible growing results. 4 color-coded tests: 1 each for pH, nitrogen, phosphorous and... This item is sold individually. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716917   $4.51 
 Hanna Checker Phosphate HC Low Range   Hanna Instruments   Hanna Checker Phosphate HC Low Range 
Hanna Checker - Phosphate Easier to use and more accurate than chemical test kits Ascorbic acid method ±0.04 ppm ±4% of reading accuracy 
Large, easy to read digits
 Auto shut off Dedicated to a single parameter Designed to work with HANNA’s reagents Uses 10 mL glass cuvettes Small size, big convenience Weigh... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716920   $47.60 
 Hanna Checker Phosphate LR Reagents (25pcs)   Hanna Instruments   Hanna Checker Phosphate LR Reagents (25pcs) 
FOR Hanna Checker - Phosphate Easier to use and more accurate than chemical test kits Ascorbic acid method ±0.04 ppm ±4% of reading accuracy 
Large, easy to read digits
 Auto shut off Dedicated to a single parameter Designed to work with HANNA’s reagents Uses 10 mL glass cuvettes Small size, big convenience W... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716925   $66.67 
 Hanna Checker Phosphate LR Reagents (300pcs)   Hanna Instruments   Hanna Checker Phosphate LR Reagents (300pcs) 
FOR Hanna Checker - Phosphate Easier to use and more accurate than chemical test kits Ascorbic acid method ±0.04 ppm ±4% of reading accuracy 
Large, easy to read digits
 Auto shut off Dedicated to a single parameter Designed to work with HANNA’s reagents Uses 10 mL glass cuvettes Small size, big convenience W... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716935   $63.70 
 Hanna Checker Phosphorous HC Ultra Low Range   Hanna Instruments   Hanna Checker Phosphorous HC Ultra Low Range 
Hanna Checker - Phosphorus ULR Easier to use and more accurate than chemical test kits Ascorbic acid method ±0.04 ppm ±4% of reading accuracy
 Large, easy to read digits 
Auto shut off Dedicated to a single parameter Designed to work with HANNA’s reagents Uses 10 mL glass cuvettes Small size, big convenience ... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716940   $47.60 
Displaying 101 to 120 (of 345 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!
 Estimate Shipping Costs by adding a product to the cart.
Shop By Price
Reviews more
Spectralux T5 54 Watt HO Lamp 4 ft Blue 6500K (25/Cs)
Price is great but the shipping costs are way too high, brin ..
2 of 5 Stars!
BizRate Customer Certified (GOLD) Site - HorticultureSource.com -Specialty Gardening Supply Reviews at Bizrate


PriceGrabber User Ratings for Horticulture Source
Specials more
INVENTORY BLOWOUT SALE
MANY ITEMS FAR BELOW COST - while quantities last

Round Net Pot. 2 in
Round Net Pot. 2 in
$0.17
$0.16
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
BLUELAB COMBINATION METER MEASURES pH, NUTRIENTS AND TEMPERATURE
BLUELAB COMBINATION METER MEASURES pH, NUTRIENTS AND TEMPERATURE
pH CONTROL KIT (12/CASE)
pH CONTROL KIT (12/CASE)
CW SOIL, pH AND MOISTURE MONITOR
CW SOIL, pH AND MOISTURE MONITOR
MI MW802 (was SM802) SMART pH/EC/TDS COMBINATION METER (1/CASE)
MI MW802 (was SM802) SMART pH/EC/TDS COMBINATION METER (1/CASE)
RAPITEST SOIL pH METER
RAPITEST SOIL pH METER
RAPITEST SOIL TEST pH NPK
RAPITEST SOIL TEST pH NPK
Control Wizard Accurate pH 8
Control Wizard Accurate pH 8
ORIGINAL TRUNCHEON METER MEASURE EC AND PPM
ORIGINAL TRUNCHEON METER MEASURE EC AND PPM
HANNA WATERPROOF PH/EC/TDS/TEMP (HI98129)
HANNA WATERPROOF PH/EC/TDS/TEMP (HI98129)
BLUELAB GUARDIAN MONITOR
BLUELAB GUARDIAN MONITOR
PH600-AQ PH METER 10/CS
PH600-AQ PH METER 10/CS
FH TRI-METER CONTINUOUS MONITOR #202 PPM/pH/TEMPERATURE
FH TRI-METER CONTINUOUS MONITOR #202 PPM/pH/TEMPERATURE
KILL A WATT METER
KILL A WATT METER
pHydrion Litmus Paper. (ph Test Strip)
pHydrion Litmus Paper. (ph Test Strip)
REPLACEMENT PROBE FOR BLUELAB COMBINATION METER & pH MONITORS
REPLACEMENT PROBE FOR BLUELAB COMBINATION METER & pH MONITORS
Hanna Tri-Meter - pH/TDS/Temp. (HI981504/7)
Hanna Tri-Meter - pH/TDS/Temp. (HI981504/7)
FH TRI-METER CONTINUOUS MONITOR #204 EC/pH/TEMPERATURE
FH TRI-METER CONTINUOUS MONITOR #204 EC/pH/TEMPERATURE
24-7 Nutrient Monitor.
24-7 Nutrient Monitor.
Bestsellers
01.RAPITEST SOIL TEST pH NPK
02.pH CONTROL KIT (12/CASE)
03.Control Wizard Accurate pH 8
04.CW 24-7 NUTRIENT MONITOR PPM/pH/TEMPERATURE
05.HANNA WATERPROOF PH/EC/TDS/TEMP (HI98129)
06.RAPITEST 4 WAY ANALYZER FERTILIZER/LIGHT/MOISTURE/pH MODEL 1880
07.PH600-AQ PH METER 10/CS
08.BLUELAB GUARDIAN MONITOR
09.pH TEST KIT 1OZ (24/CASE)
10.HANNA PRIMO TDS TESTER
11.Hanna Tri-Meter - pH/TDS/Temp. (HI981504/7)
12.pHep®4 pH Tester (HI98127).
13.RAPITEST SOIL pH METER
14.CW SOIL, pH AND MOISTURE MONITOR
15.BLUELAB COMBINATION METER MEASURES pH, NUTRIENTS AND TEMPERATURE
Languages
English Deutsch Español
Currencies
Feeds
RSS 2.0
Google Sitemap
ROR Sitemap
ROR Feed
Ads
Ads

Customer Service

 

Shopping Help

 

My Account

 

Tools & Resources

BizRate Customer Certified (GOLD) Site - HorticultureSource.com -Specialty Gardening Supply Reviews at Bizrate PriceGrabber User Ratings for Horticulture Source ShopWiki Certified Store
Official PayPal Seal
Merchant Services
HorticultureSource.com is an Upfront Merchant on TheFind. Click for info. Secured by RapidSSL
Secured by RapidSSL
100% Satisfaction Guaranteed  Proud Hydro for Hunger Participant
 Proud Participant
APO/FPO addresses are no problem.
International orders are always welcome!
UPSFedExUSPS OnTrac CalOver EstesR+LSouthEasternSAIA
Copyright © 2005 — 2014 Usisu, Inc.: Conditions of Use VISAMasterCardAmerican ExpressDiscoverDiners ClubJBCPayPal Money Order