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.
Categories
* Lamps / Tubes / Bulbs ++ (520)
* Lighting Systems ++ (1112)
* Nutrients & Supplements (4232)
* 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 ++ (702)
* Pots / Containers (916)
* Pumps, Irrigation & Watering Supplies ++ (1478)
* Grow Media (559)
* Plant Seeds (10)
* Environmental Control ++ (1952)
* Greenhouses (90)
* Grow Rooms / Tents (148)
* Reflective / B&W Films (130)
* Garden Accessories ++ (827)
* Hand Tools ++ (518)
* Gardening Books & DVDs (59)
* Growing Apparel (1)
Manufacturers more
What's New? more
4" Light Proof Black Ducting
dl-430004
4" Light Proof Black Ducting
$10.39
Quick Find
Quick Find
Use keywords to find the product you are looking for.
Advanced Search

Information
Who else is online?
There are 16 guests and 
2 logged in customers online.
Ads
Product not found!
Continue
New Products For August
hf-CR37100 Ergo Grip Trowel 2 7/8"
hf-CR37100
Ergo Grip Trowel 2 7/8"

$7.03
hf-FLT44 EnviroGro T5 4FT 4 Tube Fixture w/bulbs
hf-FLT44
EnviroGro T5 4FT 4 Tube Fixture w/bulbs

$105.65
719755 TM7 300 GRAMS 12/CS
719755
TM7 300 GRAMS 12/CS

$13.48
hf-CATMP1 Cooling Thermostat, 50-115F, 15 amp@120vac
hf-CATMP1
Cooling Thermostat, 50-115F, 15 amp@120vac

$49.45
hf-GH5313 CaMg+ Gal.
hf-GH5313
CaMg+ Gal.

$37.80
hf-SM80310 1100 W Halide BT37 Warm Deluxe Super HO
hf-SM80310
1100 W Halide BT37 Warm Deluxe Super HO

$77.73
717222 Nutrilife PyroCLAY 7.5 kg (1/Cs)
717222
Nutrilife PyroCLAY 7.5 kg (1/Cs)

$62.12
dl-590065 65 Gallon Prune Pots Fabric Grow Pots
dl-590065
65 Gallon Prune Pots Fabric Grow Pots

$12.68
hf-ROPSBP9 Phos Sea Bird 9lb Guano Powder 0-12-0
hf-ROPSBP9
Phos Sea Bird 9lb Guano Powder 0-12-0

$18.14
hf-HNHR401 Humboldt Roots 50 ml.
hf-HNHR401
Humboldt Roots 50 ml.

$14.26
hf-CABIR25 Blocker/Shield Reflector, 25' roll
hf-CABIR25
Blocker/Shield Reflector, 25' roll

$56.52
706300 Sun Hut Blackout 160 - 4.9 ft x 4.9 ft x 6.6 ft
706300
Sun Hut Blackout 160 - 4.9 ft x 4.9 ft x 6.6 ft

$202.33
hf-ELPROD1400 Producer Reverse Osmosis Filter 1400
hf-ELPROD1400
Producer Reverse Osmosis Filter 1400

$1,378.49
960205 New Wave T5 48 - 4 ft 8 Lamp 120/240 Volt (Special Order)
960205
New Wave T5 48 - 4 ft 8 Lamp 120/240 Volt (Special Order)

$228.36
800370 Shear Perfection Garden Snips (12/Cs)
800370
Shear Perfection Garden Snips (12/Cs)

$2.31
714250 PLANTERS PRIDE 20 PELLET GREENHOUSE KIT
714250
PLANTERS PRIDE 20 PELLET GREENHOUSE KIT

$7.80
HY139 Tub Outlet Extension.
HY139
Tub Outlet Extension.

$0.73
dl-905816 16" Deep Pot Saucer
dl-905816
16" Deep Pot Saucer

$5.63
K102 Serrated, straight 3" blade sod/harvest knife
K102
Serrated, straight 3" blade sod/harvest knife

$2.21
hf-AEM60100 Active Eye Microscope, 60X x 100X
hf-AEM60100
Active Eye Microscope, 60X x 100X

$13.41
960388 Solar Flare T5 48 120 Volt w/ Lamps 6500 K
960388
Solar Flare T5 48 120 Volt w/ Lamps 6500 K

$145.47
FE170 Greeensand. 7 lb
FE170
Greeensand. 7 lb

$11.04
714290 FoxFarm Lucky Dog K-9 Kube 3.8 cu ft (30/Plt)
714290
FoxFarm Lucky Dog K-9 Kube 3.8 cu ft (30/Plt)

$33.19
hf-HGDB65 Dirt Pot Flexible Portable Planter, 65 Gallon, with handles
hf-HGDB65
Dirt Pot Flexible Portable Planter, 65 Gallon, with handles

$16.22
702845 Titan Control Zephyr 3 - Cooling / Heating Controller
702845
Titan Control Zephyr 3 - Cooling / Heating Controller

$65.02
732269 BOTANICARE® SWEET™ - CITRUS -    5 GALLON
732269
BOTANICARE® SWEET™ - CITRUS - 5 GALLON

$172.45
736970 THERMOFLO 2000 SR INSULATED  DUCTING 12" X 25'
736970
THERMOFLO 2000 SR INSULATED DUCTING 12" X 25'

$82.47
hf-GH1508 FloraShield 1 qt
hf-GH1508
FloraShield 1 qt

$18.64
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

Dead Bug Brew Concentrate Pint
Dead Bug Brew Concentrate Pint
$15.88
$14.49
Similar Products
PH REPLACEMENT PROBE Special Order
716180
PH REPLACEMENT PROBE Special Order
$32.12

Commercial Grade Combo pH/EC/TDS/Temp Meter (SPECIAL ORDER)
hf-MI805
Commercial Grade Combo pH/EC/TDS/Temp Meter (SPECIAL ORDER)
$354.60

Milwaukee pH / ORP Controller MC125
716692
Milwaukee pH / ORP Controller MC125
$254.33

Milwaukee pH Meter BEM101
716672
Milwaukee pH Meter BEM101
$97.20

Replacement pH Electrode for HI98127, HI98128, HI98129, & HI98130
hf-HI73127
Replacement pH Electrode for HI98127, HI98128, HI98129, & HI98130
$44.50

Languages
English Deutsch Espańol
Currencies
Ads
Ads

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