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.
We are accepting orders as always but please note our offices will be closed February 25, 2016 – March 7, 2016.
Categories
* Lamps / Tubes / Bulbs ++ (510)
* Lighting Systems ++ (1087)
* Nutrients & Supplements (4297)
* Composters & Compost Tea Brewing (46)
* Organic Gardening (545)
* Leaf Shines & Washes (125)
* Pest & Disease Control (525)
* Cloning & Propagation (413)
* Grow Systems ++ (623)
! Meters, Timers & Instruments ++ (692)
 » Calibration, Storage & Cleaning Solutions, pH Up & Down (213)
 » Instruments, Thermometers, Hygrometers & Light Meters (24)
 » ! pH, EC, PPM & TDS Testers (342)
 » Timers & Lighting Controllers (113)
* Pots / Containers (992)
* Pumps, Irrigation & Watering Supplies ++ (1547)
* Grow Media (561)
* Plant Seeds (14)
* Environmental Control ++ (1915)
* Greenhouses (90)
* Grow Rooms / Tents (159)
* Reflective / B&W Films (131)
* Garden Accessories ++ (848)
* Hand Tools ++ (521)
* Gardening Books & DVDs (60)
* Growing Apparel (11)
Manufacturers more
What's New? more
FoxFarm Force of Nature Miticide (concentrate), 1 qt
hf-FX14118
FoxFarm Force of Nature Miticide (concentrate), 1 qt
$38.00
Quick Find
Quick Find
Use keywords to find the product you are looking for.
Advanced Search

Information
Who else is online?
There are 25 guests and 
3 logged in customers online.
Frequent searchs
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 
 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: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-ND1100041   $15.98 
 pH & EC Cleaning & Calibration Kit   Hanna Instruments   pH & EC Cleaning & Calibration Kit 
Attractive, easily shelved packaging, with both written and photographic instructions on solution use. Aggressively priced to encourage customers to purchase more maintenance solutions. Includes five each of pH 7.01, 1413 uS/cm, and cleaning solution (20 mL sachets)... — Ships from Seattle, Washington USA...more info.
 eco-5524D   $16.03 
 Bluelab Meter Carry Case   Bluelab   Bluelab Meter Carry Case 
Bluelab Bluelab Meter Carry Case (BLU7000)Bluelab is excited to introduce a new accessory which makes transporting and using their Meters even easier! The Bluelab Carry Case provides a custom fit so you can use and read your Bluelab Meter right from the carry case. A firm outer casing offers impact reduction for your Meter. There are two pockets in the top of the case especially m... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-BLU7000   $16.95 
 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 Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 716865   $17.04 
 Bluelab Carry Case   Bluelab   Bluelab Carry Case 
Bluelab Carry Case The Bluelab Carry Case provides a custom fit so you can use and read your Bluelab Meter right from the carry case. A firm outer casing offers impact reduction for your Meter. There are two pockets in the top of the case especially made for meter probes. The internal strap is a tidy way to tuck away the probe cables. Removable and adjustable straps prov... — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 716440   $17.10 
 24-7 Nutrient Monitor Power Adapter      24-7 Nutrient Monitor Power Adapter 
This item is the replacement power adapter for the 24-7 Nutrient Monitor.The 24–7 Nutrient Meter from Control Wizard Products is a great all around meter for nutrient applications needing constant monitoring. It measures PPM, pH and Temperature and with its large illuminated display it is easy to read from a distance. Calibration screws are conveniently located on the front for eas... — Ships from Portland, Oregon USA...more info.
 CW507   $17.95 
 Moisture Meter.      Moisture Meter. 
RAPITEST MOISTURE METER (PROBE TYPE)... — Ships from Portland, Oregon USA...more info.
 MI210   $18.09 
 Soil Test Kit.   Luster Leaf Products, Inc.   Soil Test Kit. 
Rapitest Garden Soil Test Kit. 4 Separate Tests (pH, Nitrogen, Phosphorus, Potassium)... — Ships from Portland, Oregon USA...more info.
 MI429   $18.13 
 Watersafe Hydroponics Water Test Kit (12/Cs)      Watersafe Hydroponics Water Test Kit (12/Cs) 
Watersafe Hydroponics Water Test Kit Have you ever had your water analyzed? The hydroponics water test kit gives growers an inexpensive, easy, and reliable way to evaluate water quality. Testing results should guide your decisions on water treatment. It's critical to test your water regularly to remain informed on the constantly changing conditions.   Water quality ... This item is sold individually. — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 748290   $18.95 
 TDS-3 Handheld TDS meter   HM Digital   TDS-3 Handheld TDS meter 
HM Digital Meters TDS-3 Handheld TDS meter (HMDTDS3)Ideal for commercial use, the TDS-3 includes a carrying case with belt clip. It is highly efficent and accurate due to its advanced microprocessor technology. It features a measurment range of 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1 ppm. From 1000 to 9990 ppm, the resolution is in increments of 10ppm, indi... Note: Calibration Buffer Solutions are available separately. — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-HMDTDS3   $20.28 
 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: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-HI1270   $20.31 
 HM HANDHELD TDS-3 TESTER   HM Digital   HM HANDHELD TDS-3 TESTER 
HM Digital Handheld TDS Tester Model TDS-3 Ideal for commercial use. Includes a carrying case with belt clip. Highly efficient and accurate due to its advanced microprocessor technology. Hold Function: saves measurements for convenient reading and recording. Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries. Measurement Rang... — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 716187   $20.46 
 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 Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 716915   $20.49 
 Hanna Checker Replacement Electrode (HI 1270)   Hanna Instruments   Hanna Checker Replacement Electrode (HI 1270) 
Hanna Checker pH Tester (HI 98103)Hanna Checker Replacement Electrode (HI 1270) (716436)At the cost of just a few rolls of litmus paper, you can have the industry's best pocket-size pH tester. The Checker supplies you with fast and accurate readings from 0.00 to 14.00 pH with a resolution of 0.01 pH. This compact tester features a large easy-to-read LCD and a simple to perform 2-po... — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 716436   $21.55 
 Rapitest Electronic 4-Way Analyzer   Luster Leaf Products, Inc.   Rapitest Electronic 4-Way Analyzer 
Luster Leaf Rapitest Electronic 4-Way Analyzer (LL01880)Unique three probe design allows one meter to measre the essentials for plant growth: sunlight, soil pH, moisture, and combined N-P-K levels. Manufacturer's Product Information MSRP each $34.95 Dimensions0.88... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-LL01880   $24.40  $21.96 
 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 Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 716876   $22.52 
 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 Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 716875   $22.52 
 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 Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 716877   $22.52 
 PH600-AQ PH METER 10/CS   Milwaukee Instruments   PH600-AQ PH METER 10/CS 
Milwaukee pH Tester Model pH 600 AQ Milwaukee’s most affordable pH tester, range: 0.0 to 14.0 pH, with one point manual calibration ,and accuracy of_+ 0.2 pH. Battery Life: 700 hours. Calibration solution sold separately. 30 day warranty. MSRP: $33.95... Note: Calibration Buffer Solutions are available separately. This item is sold individually. — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 716642   $22.74 
 RAPITEST 4 WAY ANALYZER FERTILIZER/LIGHT/MOISTURE/pH MODEL 1880   Luster Leaf Products, Inc.   RAPITEST 4 WAY ANALYZER FERTILIZER/LIGHT/MOISTURE/pH MODEL 1880 
Rapitest 4 -Way Analyzer [model 1880] FOUR WAY ANALYZER Instantly tells you the fertility of your soilMeasures the light intensity in footcandlesInstantly tells you when to water your plants by measuring the moisture levelInstantly tells you how acid or alkaline your soil is by measuring the pH levelMeasures four different levels for fertilizer, light, moisture and pH. Includ... — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 716752   $25.65  $23.09 
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
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


PriceGrabber User Ratings for Horticulture Source
Specials more
RAPITEST 4 WAY ANALYZER FERTILIZER/LIGHT/MOISTURE/pH MODEL 1880
RAPITEST 4 WAY ANALYZER FERTILIZER/LIGHT/MOISTURE/pH MODEL 1880
$25.65
$23.09
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.
KILL A WATT METER
KILL A WATT METER
pH TEST KIT 1OZ (24/CASE)
pH TEST KIT 1OZ (24/CASE)
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.Rapitest Digital 3-Way Analyzer
11.BlueLab Combo Meter
12.pH Controller Sampling Kit
13.Bluelab Guardian Monitor Power Supply
14.Probe pH Electrode
15.Nutradip (Tri Meter) Nutradip Grow Boss
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
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 — 2015 Usisu, Inc.: Conditions of Use VISAMasterCardAmerican ExpressDiscoverDiners ClubJBCPayPal Money Order