Horticulture Source » Gardening & Hydroponics Store » Meters, Timers & Instruments » pH, EC, PPM & TDS Testers   Mobile   Secure |  My Account | Cart Contents | Checkout )
Happy National Garden Month!
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 our 11th Year of Service to Gardeners in 91 Countries! Thank you for your business!
Categories
* Lamps / Tubes / Bulbs ++ (539)
* Lighting Systems ++ (1181)
* Nutrients & Supplements (4269)
* Composters & Compost Tea Brewing (43)
* Organic Gardening (538)
* Leaf Shines & Washes (97)
* Pest & Disease Control (573)
* Cloning & Propagation (451)
* Grow Systems ++ (669)
! Meters, Timers & Instruments ++ (645)
 » Calibration, Storage & Cleaning Solutions, pH Up & Down (198)
 » Instruments, Thermometers, Hygrometers & Light Meters (24)
 » ! pH, EC, PPM & TDS Testers (304)
 » Timers & Lighting Controllers (119)
* Pots / Containers (1016)
* Pumps, Irrigation & Watering Supplies ++ (1705)
* Grow Media (551)
* Plant Seeds (61)
* Environmental Control ++ (1955)
* Greenhouses (89)
* Grow Rooms / Tents (166)
* Reflective / B&W Films (141)
* Garden Accessories ++ (1014)
* Hand Tools ++ (527)
* Gardening Books & DVDs (58)
* Growing Apparel & Bags (97)
Manufacturers more
What's New? more
Rock Star A 1 Liter (12/Cs)
746166
Rock Star A 1 Liter (12/Cs)
$10.97
Quick Find
Quick Find
Use keywords to find the product you are looking for.
Advanced Search

Information
Who else is online?
There are 6 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 141 to 160 (of 304 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 
 Hanna TDS Gro'Chek Stick Tester HI 981409   Hanna Instruments   Hanna TDS Gro'Chek Stick Tester HI 981409 
HI 981409 TDS Gro'Chek Stick Tester is a TDS tester ideal for mixing fertilizer. This tester will run for 2000 hours continuously on AA batteries.... Note: Calibration Buffer Solutions are available separately. — Ships from Seattle, Washington USA....more info.
 eco-5521H   $115.95 
 Hanna Dist 5 TDS Pen (HI 98311)   Hanna Instruments   Hanna Dist 5 TDS Pen (HI 98311) 
Hanna Dist 5 TDS Pen (HI 98311) (eco-5522A)DiST 5 EC/TDS Meter Dual-level LCD Replaceable Graphite Electrode Cartridge Automatic Calibration Dist 5 Dist 5 will accurately measure EC and TDS. Features include replaceable electrode, adjustable TDS ratio, temperature in degrees C or degrees F, automatic temperature compensation, battery level indicator and automa... Note: Calibration Buffer Solutions are available separately. — Ships from Seattle, Washington USA....more info.
 eco-5522A   $91.77 
 Replacement probe for Combo Pen (HI 73127)   Hanna Instruments   Replacement probe for Combo Pen (HI 73127) 
Replacement probe for Combo Pen (HI 73127) (eco-5522B)Replacement pH Electrode for HI98127, HI98128, HI98129, & HI98130 Replacement pH Electrode for HI98127, HI98128, HI98129, & HI98130 SKU: HI73127 Weight: 1.0 lbs. Package Dimensions: 5.7L x 2.7W x 1.1H Suggested Retail: $58.95 Manufacturer's Product Information ... — Ships from Seattle, Washington USA....more info.
 eco-5522B   $40.88 
 Hanna pHep 5 pH Pen (HI 98128)   Hanna Instruments   Hanna pHep 5 pH Pen (HI 98128) 
Hanna pHep 5 pH Pen (HI 98128) (eco-5522C)Hanna Gro'CHEK pHEP 5 Meter The pHep 4 and pHep 5 includes features such as a dual-level LCD, battery level indicator, replaceable pH electrode cartridge, instability indicator, automatic shut-off and automatic calibration all in a floating, waterproof casing. pHep 5 pHep 5 is the most advanced pH tester on the market today. Has ... Note: Calibration Buffer Solutions are available separately. — Ships from Seattle, Washington USA....more info.
 eco-5522C   $93.17 
 Replacement probe for pHep 5 (HI 73127)   Hanna Instruments   Replacement probe for pHep 5 (HI 73127) 
Replacement probe for pHep 5 (HI 73127) (eco-5522D)Replacement probe for pHep 5 (HI 73127) Manufacturer's Product Information MSRP $59.95 ... — Ships from Seattle, Washington USA....more info.
 eco-5522D   $44.12 
    Hanna Instruments   Replacement probe for Dist 5 (HI 73311) 
Replacement probe for Dist 5 (HI 73311) (eco-5522E)Replacement probe for Dist 5 (HI 73311) Manufacturer's Product Information MSRP $59.95 ... — Ships from Seattle, Washington USA....more info.
 eco-5522E   $48.65 
 Hanna pHep 1 pH Pen (HI 98107)   Hanna Instruments   Hanna pHep 1 pH Pen (HI 98107) 
Hanna pHep 1 pH Pen (HI 98107) (eco-5523)pHep pHep®, the standard in pH measurement with 0.1 pH accuracy, has 2 point calibration, large LCD, pull out replenishable junction and 700 hour battery life. The pHep® pH tester features a casing that is more rugged and has been ergonomically enhanced to better fit your hand. The pHep® comes with a protective cap that can... Note: Calibration Buffer Solutions are available separately. — Ships from Seattle, Washington USA....more info.
 eco-5523   $46.92 
 Hanna Conductivity Soil Test Pen (HI 98331)   Hanna Instruments   Hanna Conductivity Soil Test Pen (HI 98331) 
Hanna Conductivity Soil Test Pen (HI 98331) (eco-5523A)Hanna Soil Test Pen - The HI 98331 takes quick and accurate readings directly in soil. It is the only meter available that will take conductivity readings directly from the soil without creating a soil solution for testing. The meter also measures temperature and the conductivity readings are compensated for temperature... — Ships from Seattle, Washington USA....more info.
 eco-5523A   $102.28 
 Hanna Dist 1 TDS Pen (HI 98300)   Hanna Instruments   Hanna Dist 1 TDS Pen (HI 98300) 
Hanna Dist 1 TDS Pen (HI 98300) (eco-5524)Dist 1 Dist 1 are reliable, pocket-sized instruments that will give you quick and accurate readings of TDS. Comes complete with protective cap, screwdriver, batteries and instructions. One year warranty. Manufacturer's Product Information ... Note: Calibration Buffer Solutions are available separately. — Ships from Seattle, Washington USA....more info.
 eco-5524   $46.14 
 Hanna Primo TDS Tester   Hanna Instruments   Hanna Primo TDS Tester 
The Primo series of testers provide a fast and dependable way to measure the total dissolved solids or conductivity in your water samples. It is ideally suited for the rigorous demands of water quality professionals. Many professionals use the cabled version of the Primo when demonstrating the before and after results of conditioning and filtration systems. Temperature is compen... Note: Calibration Buffer Solutions are available separately. — Ships from Seattle, Washington USA....more info.
 eco-5525   $40.82 
 Hanna Portable pH/EC/TDS/Temp Meter w/ CAL CHECK (HI 9813-6N)   Hanna Instruments   Hanna Portable pH/EC/TDS/Temp Meter w/ CAL CHECK (HI 9813-6N) 
Hanna Combo Meter HI 9813-6 is a versatile, water resistant, multiparameter portable instrument specifically designed for agricultural applications such as hydroponics, greenhouses, farming and nurseries. This meter features an large LCD that clearly displays the parameter being measured as well as calibration instructions. Calibration is fast and easy with knobs located on the... — Ships from Seattle, Washington USA....more info.
 eco-5528A   $198.99 
 Hanna Tri-Meter - pH/TDS/Temp. (HI981504/7)   Hanna Instruments   Hanna Tri-Meter - pH/TDS/Temp. (HI981504/7) 
Hanna Tri-Meter - pH/TDS/Temp. (HI981504/7) (eco-5529A)Continuous pH/TDS/temp Monitor Designed for continuous monitoring of pH, TDS and temperature the HI 981504 is simple to install and can be placed above the sample to be tested. pH, TDS and temperature measurements are simultaneously displayed on three backlit LCDs which can be easily viewed at a distance - even in low l... — Ships from Seattle, Washington USA....more info.
 eco-5529A   $193.83 
 Hanna Combo Pen - pH/EC/TDS/Temp. (HI 98129)   Hanna Instruments   Hanna Combo Pen - pH/EC/TDS/Temp. (HI 98129) 
Hanna Combo Pen - pH/EC/TDS/Temp. (HI 98129) (eco-5529C)Combo pH/EC/TDS/C/PPM Tester Dual-level LCD Replaceable pH Electrode Cartridge Automatic Calibration Hanna Combo Pen The HI 98129 combo waterproof testers offer the highest accuracy in measurements with a single tester. Will measure pH, EC/TDS and temperature. SKU: HI98129 Weight: 1.0 lbs. Package Dim... — Ships from Seattle, Washington USA....more info.
 eco-5529C   $136.60 
 Digital pH Controller   HydroFarm   Digital pH Controller 
Autopilot Digital pH Controller (APCEPH1)The Autopilot pH-1 controller accurately and reliably measures and controls the pH of any water-based solution, including hydroponic nutrient mixtures, and fish aquarium water. After selecting the desired pH setting from 5.0 to 8.0 pH, the pH controller measures the pH value of the solution and automatically adds pH adjustment (either acid ... Note: Calibration Buffer Solutions are available separately. — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-APCEPH1   $247.72 
 pH Controller Sampling Kit   HydroFarm   pH Controller Sampling Kit 
Autopilot pH Controller Sampling Kit (APCEPH1SK)pH sampling assembly, allows for more accurate readings. Sampling kit includes a submersible pump, 3/4" x 5' tubing and molded sensor assembly with mounting bracket. The sampling assembly provides a stable method to mount the pH and temperature sensors. It uses a submersible pump to mix the water and to provide constant water fl... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-APCEPH1SK   $50.19 
 Bluelab Truncheon Meter   Bluelab   Bluelab Truncheon Meter 
Bluelab Bluelab Truncheon Meter (BLU2000E)It is essential when growing with a hydroponic solution to KNOW what the strength of the solution is before feeding your plants AND while they are growing. This is easy if you use the Bluelab Truncheon® Nutrient Meter! To take a reading of your solution - simply place the probe head into the solution for 1-2 minutes to reach the same te... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-BLU2000E   $93.74 
 Commercial Truncheon Meter   Bluelab   Commercial Truncheon Meter 
Bluelab Commercial Truncheon Meter (BLU2100E)Big jobs require a big Truncheon! With a conductivity range right up to 6.0EC (60CF or 4200ppm), it will never leave you short. The Commercial Truncheon® Nutrient Meter has been designed for hydroponic crops that require a higher than normal EC or CF requirement during their growing cycle. It's super tough, fully waterproof, has no o... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-BLU2100E   $93.74 
 Bluelab pH Pen   Bluelab   Bluelab pH Pen 
Bluelab Bluelab pH Pen (BLU2210)The ultimate handy solution for measuring pH! Plants get their nutrition from minerals but they can only get all the right minerals they need if certain conditions are right. A key factor that affects food uptake is whether your solution is acid or alkaline. We measure this in pH. The Bluelab pH Pen is the latest innovation for hand held meters. It p... Note: Calibration Buffer Solutions are available separately. — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-BLU2210   $75.33 
 Bluelab Soil pH Pen   Bluelab   Bluelab Soil pH Pen 
Bluelab Bluelab Soil pH Pen (BLU2216)A handy solution made easy! The Bluelab Soil pH Pen provides a pH and temperature reading of soils and media, so you know that the right nutrients will be made available to your plants. In soils or growing media, pH strongly influences the availability of the microorganisms to plants in the soil. Now you can closely monitor and adjust the pH lev... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-BLU2216   $124.32 
 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 HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-BLU2221   $62.83 
Displaying 141 to 160 (of 304 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
MS1000/BU 1000 WATT MH BT-56 (6/CASE)
MS1000/BU 1000 WATT MH BT-56 (6/CASE)
$13.17
$11.80
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
MI MW802 (was SM802) SMART pH/EC/TDS COMBINATION METER (1/CASE)
MI MW802 (was SM802) SMART pH/EC/TDS COMBINATION METER (1/CASE)
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
PH600-AQ PH METER 10/CS
PH600-AQ PH METER 10/CS
CW SOIL, pH AND MOISTURE MONITOR
CW SOIL, pH AND MOISTURE MONITOR
BLUELAB GUARDIAN MONITOR
BLUELAB GUARDIAN MONITOR
RAPITEST SOIL pH METER
RAPITEST SOIL pH METER
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.
Grocheck Combo Meter.
Grocheck Combo Meter.
pHydrion Litmus Paper. (ph Test Strip)
pHydrion Litmus Paper. (ph Test Strip)
pH TEST KIT 1OZ (24/CASE)
pH TEST KIT 1OZ (24/CASE)
BLUELAB® SOIL pH METER
BLUELAB® SOIL pH METER
KILL A WATT METER
KILL A WATT METER
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.RAPITEST 4 WAY ANALYZER FERTILIZER/LIGHT/MOISTURE/pH MODEL 1880
06.pH TEST KIT 1OZ (24/CASE)
07.PH600-AQ PH METER 10/CS
08.BLUELAB GUARDIAN MONITOR
09.Hanna Tri-Meter - pH/TDS/Temp. (HI981504/7)
10.RAPITEST SOIL pH METER
11.Bluelab Replacement pH Probe for Guardian, Combo, & pH Meter
12.pHep®4 pH Tester (HI98127).
13.CW SOIL, pH AND MOISTURE MONITOR
14.ORIGINAL TRUNCHEON METER MEASURE EC AND PPM
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
Amazon Ad
Matched Content
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
APO/FPO addresses are no problem.
International orders are always welcome!
UPSFedExUSPS OnTrac CalOver EstesR+LSouthEasternSAIA
Copyright © 2005 — 2017 Usisu, Inc.: Conditions of Use VISAMasterCardAmerican ExpressDiscoverDiners ClubJBCPayPal Money Order