Horticulture Source » Gardening & Hydroponics Store » Meters, Timers & Instruments » pH, EC, PPM & TDS Testers » Hanna Instruments: HANNA GROCHEK® WATERPROOF pH/EC/TDS TEMP METER W/pH ELECTRODE DIAGNOSTIC - HI9813-6 [716815]   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.
Happy Memorial Day! We are taking orders but please note some shippers & warehouses are closed in observance of Memorial Day.
Categories
* Lamps / Tubes / Bulbs ++ (509)
* Lighting Systems ++ (1080)
* 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 Bloom 5 Gallon
715286
Soul Bloom 5 Gallon
$121.98
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.
Ads
Product not found!
Continue
New Products For May
706460 EZ-Clone EZ-Coco Seed Starts - 35/Pack
706460
EZ-Clone EZ-Coco Seed Starts - 35/Pack

$11.05
H:HBS10 Screwhooks Pack of 10
H:HBS10
Screwhooks Pack of 10

$7.06
718808 GHBB® FLORANOVA™ BLOOM 2.5 GAL (2/CASE)S)
718808
GHBB® FLORANOVA™ BLOOM 2.5 GAL (2/CASE)S)

$120.70
707345 BOTANICARE 4x4 OD TRAY BLACK
707345
BOTANICARE 4x4 OD TRAY BLACK

$68.40
hf-ML23191 Potassium Supplement 32oz
hf-ML23191
Potassium Supplement 32oz

$18.42
hf-ROD75 Roots Organics Soil .75cf
hf-ROD75
Roots Organics Soil .75cf

$7.46
eco-2891A Pure Blend Grow - 2.5 Gal (2/cs)
eco-2891A
Pure Blend Grow - 2.5 Gal (2/cs)

$47.13
hf-PT20381 PRO-MIX HP Mycorrhizae 3.8cf
hf-PT20381
PRO-MIX HP Mycorrhizae 3.8cf

$40.23
hf-TFROOT664L ROOT 66 (1-1-1) 4 lt
hf-TFROOT664L
ROOT 66 (1-1-1) 4 lt

$218.46
hf-VCBPGL6040 Gold Label Hydro Coco 60/40 mix
hf-VCBPGL6040
Gold Label Hydro Coco 60/40 mix

$25.09
dl-BBG200214 Bio·Bloom™ 10 ltr
dl-BBG200214
Bio·Bloom™ 10 ltr

$90.71
CW506 24-7 Nutrient Monitor Replacement PPM Probe
CW506
24-7 Nutrient Monitor Replacement PPM Probe

$36.30
hf-HDGFRTCON60 Greenfuse Root Stimulator Concentrate, 60ml
hf-HDGFRTCON60
Greenfuse Root Stimulator Concentrate, 60ml

$37.29
MI1201 200w Titainium Resevoir Heater
MI1201
200w Titainium Resevoir Heater

$35.77
TTAG 4' Top Tier Aluminum shelf Green
TTAG
4' Top Tier Aluminum shelf Green

$84.70
hf-ROPLAY Roots Organics Player Pack
hf-ROPLAY
Roots Organics Player Pack

$49.72
PU160 Airline Tubing 1ft
PU160
Airline Tubing 1ft

$0.13
hf-OG3710 RAW Silica, 8 oz
hf-OG3710
RAW Silica, 8 oz

$19.31
hf-BLU2100E Commercial Truncheon Meter
hf-BLU2100E
Commercial Truncheon Meter

$94.92
hf-HI73127 Replacement pH Electrode for HI98127, HI98128, HI98129, & HI98130
hf-HI73127
Replacement pH Electrode for HI98127, HI98128, HI98129, & HI98130

$49.48
hf-HSLP2NG HydroGen LP- NG Conversion Kit
hf-HSLP2NG
HydroGen LP- NG Conversion Kit

$56.50
hf-IGS1.25RISE 1.25 inch riser, pack of 10
hf-IGS1.25RISE
1.25 inch riser, pack of 10

$4.97
SM400CU6 400w Blue Ice U Metal Halide Lamp
SM400CU6
400w Blue Ice U Metal Halide Lamp

$93.13
726695 SUPER SPROUTER™ HEAT MAT - 10" X 20.75" (10/CASE) - NEW & IMPROVED
726695
SUPER SPROUTER™ HEAT MAT - 10" X 20.75" (10/CASE) - NEW & IMPROVED

$19.27
dl-971208-1 Gro1 Carbon Filters - Standard-8 x 32 in.
dl-971208-1
Gro1 Carbon Filters - Standard-8 x 32 in.

$114.18
725530 BLOW MOLDED NURSERY POT 15 GALLON
725530
BLOW MOLDED NURSERY POT 15 GALLON

$5.92
hf-GG1999 1oz Ultrafine Mycorrhizae Blend in Display
hf-GG1999
1oz Ultrafine Mycorrhizae Blend in Display

$5.41
DI631 Tube End Clamps. 1/2 in
DI631
Tube End Clamps. 1/2 in

$2.97
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
Manufacturer Info
Hanna Instruments
Hanna Instruments Homepage
Other products
Reviews more
Write ReviewWrite a review on this product!
BizRate Customer Certified (GOLD) Site - HorticultureSource.com -Specialty Gardening Supply Reviews at Bizrate


Tell A Friend
 
Share what you've found! Email a link to this page to friends, family, and colleagues!
Specials more
Growing Cup 3", pack of 100
Growing Cup 3", pack of 100
$30.40
$27.98
Similar Products
pH Combo Electrode Glass Body - Refillable Temp. Sensor (Special Order)
hf-HI1292D
pH Combo Electrode Glass Body - Refillable Temp. Sensor (Special Order)
$130.82

Hanna Checker pH Tester (HI 98103)
716435
Hanna Checker pH Tester (HI 98103)
$32.09

Oakton WP EC Tester 11
hf-OK3566230
Oakton WP EC Tester 11
$84.74

Digital pH Meter
hf-LL01845
Digital pH Meter
$12.19

Oakton Replaceable Electrodes pH WP 2 Pen
hf-OK3562429
Oakton Replaceable Electrodes pH WP 2 Pen
$53.55

Languages
English Deutsch Español
Currencies
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