Horticulture Source » Gardening & Hydroponics Store » Meters, Timers & Instruments » pH, EC, PPM & TDS Testers » Hanna Instruments: Grockek Combo. [HY1743]   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 ++ (519)
* Lighting Systems ++ (1111)
* Nutrients & Supplements (4233)
* Composters & Compost Tea Brewing (38)
* Organic Gardening (551)
* Leaf Shines & Washes (121)
* Pest & Disease Control (495)
* Cloning & Propagation (409)
* Grow Systems ++ (618)
! Meters, Timers & Instruments ++ (703)
 » Calibration, Storage & Cleaning Solutions, pH Up & Down (216)
 » Instruments, Thermometers, Hygrometers & Light Meters (25)
 » ! pH, EC, PPM & TDS Testers (344)
 » Timers & Lighting Controllers (118)
* Pots / Containers (921)
* Pumps, Irrigation & Watering Supplies ++ (1476)
* Grow Media (559)
* Plant Seeds (10)
* Environmental Control ++ (1947)
* Greenhouses (90)
* Grow Rooms / Tents (148)
* Reflective / B&W Films (130)
* Garden Accessories ++ (833)
* Hand Tools ++ (518)
* Gardening Books & DVDs (59)
* Growing Apparel (1)
Manufacturers more
What's New? more
Pondmaster Pump Guard Water Pump Maintenance Solution 32 oz (6/Cs)
727362
Pondmaster Pump Guard Water Pump Maintenance Solution 32 oz (6/Cs)
$32.48
Quick Find
Quick Find
Use keywords to find the product you are looking for.
Advanced Search

Information
Who else is online?
There are 13 guests online.
Ads
Product not found!
Continue
New Products For September
eco-5734G Active Air 6"- 5" Reducer
eco-5734G
Active Air 6"- 5" Reducer

$8.13
hf-QT400 Quantum 400W Dimmable Ballast
hf-QT400
Quantum 400W Dimmable Ballast

$94.23
707935 Duralastic 3ft x 6ft ID White Tray
707935
Duralastic 3ft x 6ft ID White Tray

$91.05
hf-RWREP20 Medium Water Repellent Granulate, 45 lbs.
hf-RWREP20
Medium Water Repellent Granulate, 45 lbs.

$53.68
721715 Grow More Water Soluble Tomato
721715
Grow More Water Soluble Tomato

$30.73
dl-390050 Root Royale Hydro Clay Pebbles (50L/13Gal Bag)
dl-390050
Root Royale Hydro Clay Pebbles (50L/13Gal Bag)

$18.54
SA149 Clonex. 250 ml
SA149
Clonex. 250 ml

$46.34
dl-131332 Gro1 Extraction Bags-32 gal. - 8 Bags
dl-131332
Gro1 Extraction Bags-32 gal. - 8 Bags

$151.56
703118 Agrowtek CO2 Upgrade Kit for Climate Sensor
703118
Agrowtek CO2 Upgrade Kit for Climate Sensor

$283.26
hf-EZCL32 Classic 32 Cutting System
hf-EZCL32
Classic 32 Cutting System

$181.11
dl-HNSL28C The Humboldt Mix 2.8 loose fill
dl-HNSL28C
The Humboldt Mix 2.8 loose fill

$19.42
hf-SSA1200 Sturdy Stake Arms 12", pack of 3
hf-SSA1200
Sturdy Stake Arms 12", pack of 3

$2.33
hf-RD8ACH Radiant Reflector 8" AC Hammertone Unit
hf-RD8ACH
Radiant Reflector 8" AC Hammertone Unit

$111.91
dl-129705 Cool Tube Reflector - 6 in.-With Wing
dl-129705
Cool Tube Reflector - 6 in.-With Wing

$67.60
719050 SPRAY-N-GRO™ 8OZ (24/CASE)
719050
SPRAY-N-GRO™ 8OZ (24/CASE)

$10.35
eco-4717 Aeroflo2 30 Aeroponic System
eco-4717
Aeroflo2 30 Aeroponic System

$470.06
hf-BZG12 B'Cuzz Grow, 12 oz
hf-BZG12
B'Cuzz Grow, 12 oz

$16.71
H:MG108ply Magnum 108 10x8 double-door model Greenhouse
H:MG108ply
Magnum 108 10x8 double-door model Greenhouse

$1,861.25
dl-437001 20.75" x 10" Root Radiance Heat Mat
dl-437001
20.75" x 10" Root Radiance Heat Mat

$13.42
906217 Sun System LEC 630 120 Volt w/ 3100 K Lamp
906217
Sun System LEC 630 120 Volt w/ 3100 K Lamp

$791.56
hf-HNMMA405 MycoMadness 8 oz.
hf-HNMMA405
MycoMadness 8 oz.

$33.70
721231 Xtreme Gardening Mykos WP 40lb
721231
Xtreme Gardening Mykos WP 40lb

$473.28
dl-HNB405 Bloom - 32 oz. - Humboldt Nutrients
dl-HNB405
Bloom - 32 oz. - Humboldt Nutrients

$7.24
FE626 Gigantamo Water Conditioner. 8 fl oz
FE626
Gigantamo Water Conditioner. 8 fl oz

$10.35
718565 FOX FARM TIGER BLOOM® GALLON (4/CASE)
718565
FOX FARM TIGER BLOOM® GALLON (4/CASE)

$51.48
hf-BZBIOF10L Bio-NRG Flavor 10L
hf-BZBIOF10L
Bio-NRG Flavor 10L

$69.78
Dl-SJWEBIT60-90 Secret Jardin WebIt 60-90 Trellis Netting
Dl-SJWEBIT60-90
Secret Jardin WebIt 60-90 Trellis Netting

$3.34
748150 Ball Jars Collection Elite WM Half Pint 8oz 4-Jars (Case of 16)
748150
Ball Jars Collection Elite WM Half Pint 8oz 4-Jars (Case of 16)

$20.64
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
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


PriceGrabber User Ratings for Horticulture Source
Tell A Friend
 
Share what you've found! Email a link to this page to friends, family, and colleagues!
Specials more
INVENTORY BLOWOUT SALE
MANY ITEMS FAR BELOW COST - while quantities last

Gold Flower Part B. 1 Liter
Gold Flower Part B. 1 Liter
$10.03
$8.96
Similar Products
Bluelab Connect Range Extender
716488
Bluelab Connect Range Extender
$116.43

Milwaukee TDS/PPM T75 Tester WP
hf-MIT75
Milwaukee TDS/PPM T75 Tester WP
$60.76

RAPITEST 4 WAY ANALYZER FERTILIZER/LIGHT/MOISTURE/pH MODEL 1880
716752
RAPITEST 4 WAY ANALYZER FERTILIZER/LIGHT/MOISTURE/pH MODEL 1880
$26.62

pH Tester w/1 Point Manual Calibration
hf-MIPH600BX
pH Tester w/1 Point Manual Calibration
$24.71

WATERPROOF ECOTESTR 1
716104
WATERPROOF ECOTESTR 1
$51.23

Languages
English Deutsch Español
Currencies
Ads
Ads
Frame It All - Simple Modular Gardens

Customer Service

 

Shopping Help

 

My Account

 

Tools & Resources

Google Trusted Store 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