Horticulture Source » Gardening & Hydroponics Store » 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.
Celebrating 10 Years of Service to Gardeners in 91 Countries! Thank you for your business!
Categories
* Lamps / Tubes / Bulbs ++ (526)
* Lighting Systems ++ (1113)
* Nutrients & Supplements (4324)
* Composters & Compost Tea Brewing (43)
* Organic Gardening (521)
* Leaf Shines & Washes (104)
* Pest & Disease Control (559)
* Cloning & Propagation (425)
* Grow Systems ++ (583)
* Meters, Timers & Instruments ++ (679)
* Pots / Containers (1017)
* Pumps, Irrigation & Watering Supplies ++ (1563)
* Grow Media (570)
* Plant Seeds (18)
* Environmental Control ++ (1943)
* Greenhouses (89)
* Grow Rooms / Tents (167)
* Reflective / B&W Films (132)
* Garden Accessories ++ (906)
* Hand Tools ++ (524)
* Gardening Books & DVDs (59)
* Growing Apparel (14)
Manufacturers more
What's New? more
Mother Earth Volcanite Pumice 1 cu ft (50/Plt)
714818
Mother Earth Volcanite Pumice 1 cu ft (50/Plt)
$13.98
Quick Find
Quick Find
Use keywords to find the product you are looking for.
Advanced Search

Information
Who else is online?
There are 59 guests and 
1 logged in customer online.
Ads
Product not found!
Continue
New Products For September
hf-AAPADIV8 8 Outlet Copper Air Divider
hf-AAPADIV8
8 Outlet Copper Air Divider

$6.18
738704 Ideal-Air Silver Insulated Flex Ducting 8in x 25ft
738704
Ideal-Air Silver Insulated Flex Ducting 8in x 25ft

$48.24
hf-EOS1000 Ecoscraps Organic Moisture Retaining Compost Mix, 1.5 cf
hf-EOS1000
Ecoscraps Organic Moisture Retaining Compost Mix, 1.5 cf

$4.95
MI413 Mylar - 1mil. 50 in x 25 ft
MI413
Mylar - 1mil. 50 in x 25 ft

$13.81
Z294 8" Ergonomic Forged Byapss Pruner
Z294
8" Ergonomic Forged Byapss Pruner

$11.87
728875 HYDRO-LOGIC™  SMALL BOY
728875
HYDRO-LOGIC™ SMALL BOY

$73.60
dl-550209 Piranha Pruner Bonsai Shears 60mm Titanium Blade
dl-550209
Piranha Pruner Bonsai Shears 60mm Titanium Blade

$8.20
dl-995804 Grow1 Vine Clip (Bag of 100)
dl-995804
Grow1 Vine Clip (Bag of 100)

$7.66
736973 8IN X 25FT SILVER/BLK DUCTING W/O CLAMP
736973
8IN X 25FT SILVER/BLK DUCTING W/O CLAMP

$17.60
hf-BZFLB32 Foliar Boost 32oz
hf-BZFLB32
Foliar Boost 32oz

$20.87
728841 ROOT POTS - 1 GALLON 6" X 7.5" (25/CASE)
728841
ROOT POTS - 1 GALLON 6" X 7.5" (25/CASE)

$1.30
hf-ROSSGNQ Soul Synthetics Grow-N Qt
hf-ROSSGNQ
Soul Synthetics Grow-N Qt

$13.92
eco-4178 Xtrasun 400W Halide 4200K Bulb
eco-4178
Xtrasun 400W Halide 4200K Bulb

$11.80
hf-OECD10001 10" CD-In-Line Duct Ozonator Corona Discharge w/1 cell
hf-OECD10001
10" CD-In-Line Duct Ozonator Corona Discharge w/1 cell

$427.77
760407 FloraFlex 60 1/4 in 4 GPH Long Plunge Drippers (1=6/Bag)
760407
FloraFlex 60 1/4 in 4 GPH Long Plunge Drippers (1=6/Bag)

$4.69
eco-5771 Perma Duct 6" x 25'
eco-5771
Perma Duct 6" x 25'

$21.20
eco-5527 Syringe 60 CC
eco-5527
Syringe 60 CC

$4.92
746282 Nectar for the Gods Pegasus Potion Gallon (4/Cs)
746282
Nectar for the Gods Pegasus Potion Gallon (4/Cs)

$28.46
SA172 Olivias Cloning Solution. 1 Gallon
SA172
Olivias Cloning Solution. 1 Gallon

$35.82
736810 CAN-FAN 10" HIGH OUTPUT" 781 CFM 3290 RPM 251 WATTS DIAM 15.2" IN/OUT 9.84" - 1 TO 7 EACH
736810
CAN-FAN 10" HIGH OUTPUT" 781 CFM 3290 RPM 251 WATTS DIAM 15.2" IN/OUT 9.84" - 1 TO 7 EACH

$162.50
704117 Safer Insect Killing Soap II Conc. Gallon (4/Cs)
704117
Safer Insect Killing Soap II Conc. Gallon (4/Cs)

$63.23
hf-ACDC1025P Active Air Premium Ducting, 10" x 25'
hf-ACDC1025P
Active Air Premium Ducting, 10" x 25'

$21.38
800020 COMFORT GRIP FLORAL SNIPS 12/CS
800020
COMFORT GRIP FLORAL SNIPS 12/CS

$14.89
MI263 Measure Master 5ml Graduated Dropper
MI263
Measure Master 5ml Graduated Dropper

$1.88
715366 Soul Infinity 5 Gallon
715366
Soul Infinity 5 Gallon

$172.50
hf-RC2TP Smart Pot Transplanter, 2 Gal (SPECIAL ORDER)
hf-RC2TP
Smart Pot Transplanter, 2 Gal (SPECIAL ORDER)

$1.64
746272 Nectar for the Gods Poseidonzyme Quart (12/Cs)
746272
Nectar for the Gods Poseidonzyme Quart (12/Cs)

$13.92
hf-CES2503 Plant Amp gal
hf-CES2503
Plant Amp gal

$60.72
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
HUMBOLDT MASTER B 5G 1/CS (Special Order)
HUMBOLDT MASTER B 5G 1/CS (Special Order)
$153.93
$139.20
Similar Products
EC65 Waterproof Tester
hf-MIC65
EC65 Waterproof Tester
$61.40

HortiStick Replacement Probe
716024
HortiStick Replacement Probe
$64.35

Primo TDS Tester
hf-HIPRIMO
Primo TDS Tester
$33.80

pH Combination Electrode
hf-HI1333B
pH Combination Electrode
$42.06

EC Dipstick.
CW510
EC Dipstick.
$60.18

Languages
English Deutsch Español
Currencies
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  Celebrating 10 Years of Service to Gardeners in 91 Countries! Thank you for your business!  Proud Hydro for Hunger Participant
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