Horticulture Source » Gardening & Hydroponics Store » Humboldt Nutrients Humboldt Roots 1/2 Gal [dl-HNHR420]   Mobile   Secure |  My Account | Cart Contents | Checkout )
Horticulture Source
Quick Find
Help [?]   Search Descriptions Phrase   Advanced
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 our 12th Year of Service to Gardeners! Thank you for your business!
Product not found!
Continue
New Products For June
hf-RT2505 CalCarb Foliar Spray, 6oz
hf-RT2505
CalCarb Foliar Spray, 6oz

$20.57
707695 100 GALLON RESERVOIR LID BLACK - ABS
707695
100 GALLON RESERVOIR LID BLACK - ABS

$43.96
723732 Down To Earth Langbeinite (Sul-Po-Mag) 0-0-22 - 5 lb
723732
Down To Earth Langbeinite (Sul-Po-Mag) 0-0-22 - 5 lb

$7.85
700589 Can-Lite Filter 4in 225CFM
700589
Can-Lite Filter 4in 225CFM

$76.25
HY240 Floralicious Grow. 1 Quart
HY240
Floralicious Grow. 1 Quart

$22.14
hf-BLU2216 Bluelab Soil pH Pen
hf-BLU2216
Bluelab Soil pH Pen

$122.54
hf-SPG74K SunPulse 750W MH Pulse Start 4K
hf-SPG74K
SunPulse 750W MH Pulse Start 4K

$80.82
hf-HGRES100C 100 Gal Reservoir Cover, 50"x50"
hf-HGRES100C
100 Gal Reservoir Cover, 50"x50"

$56.84
dl-RM-AS8 ROBOMIST 8 nozzle auto spray system
dl-RM-AS8
ROBOMIST 8 nozzle auto spray system

$429.00
748175 Ball Jars Basic Home Canning Funnel (8/Cs) (Case of 8)
748175
Ball Jars Basic Home Canning Funnel (8/Cs) (Case of 8)

$12.32
hf-BCCNS17B15 CNS17 Bloom, 15 gal (Special Order)
hf-BCCNS17B15
CNS17 Bloom, 15 gal (Special Order)

$167.75
736748 Can-Fan Max Fan Pro Series - 8 in - 863 CFM
736748
Can-Fan Max Fan Pro Series - 8 in - 863 CFM

$205.28
hf-XTE600D Xtrasun e-Ballast 600W Dimmable 120-240V
hf-XTE600D
Xtrasun e-Ballast 600W Dimmable 120-240V

$105.59
736416 DUCT COUPLER - FLEX 4 INCH
736416
DUCT COUPLER - FLEX 4 INCH

$2.52
733482 BCuzz Coco Nutrition B 5 Liter (2/Cs)
733482
BCuzz Coco Nutrition B 5 Liter (2/Cs)

$39.63
eco-4246 Phat Filters 39" x 14", 2100 CFM
eco-4246
Phat Filters 39" x 14", 2100 CFM

$300.39
hf-LG50031 Outflow Flange / 800
hf-LG50031
Outflow Flange / 800

$9.21
hf-HNF420 FlavorFul 5 gal.
hf-HNF420
FlavorFul 5 gal.

$135.19
780118 Grozone Control LVC1 Low Voltage Contact Module (24/Cs)
780118
Grozone Control LVC1 Low Voltage Contact Module (24/Cs)

$27.47
hf-BCNSSWG5 Sweet Carbo Grape 5 Gal.
hf-BCNSSWG5
Sweet Carbo Grape 5 Gal.

$160.33
704981 Arborjet Aza Sol Single Pack (10/Cs)
704981
Arborjet Aza Sol Single Pack (10/Cs)

$35.28
732300 HD NITROZIME™ 0-4-4 - 16 OZ (12/CASE)
732300
HD NITROZIME™ 0-4-4 - 16 OZ (12/CASE)

$21.18
700462 MovinCool Warm Air Self-Supported Duct - 12 in - OfficePro36 (Special Order)
700462
MovinCool Warm Air Self-Supported Duct - 12 in - OfficePro36 (Special Order)

$86.34
906281 Sun System Diamond LEC 630 - 208 / 240 Volt w/ 3100K Lamps
906281
Sun System Diamond LEC 630 - 208 / 240 Volt w/ 3100K Lamps

$658.90
725485 Honey Bee Tray Top 200 Micron (12 trays)
725485
Honey Bee Tray Top 200 Micron (12 trays)

$27.50
732297 SWEET CARBO RAW QUART 12/CS
732297
SWEET CARBO RAW QUART 12/CS

$17.55
hf-HL50QCXHOSE Quick Disconnect 1/2" X Garden Hose Adapter
hf-HL50QCXHOSE
Quick Disconnect 1/2" X Garden Hose Adapter

$7.26
718325 BOTANICARE® POWER FLOWER™ QUART (12/CASE)
718325
BOTANICARE® POWER FLOWER™ QUART (12/CASE)

$15.91
Ads
Reviews more
Write ReviewWrite a review on this product!

Shop By Price
Categories
* Lamps / Tubes / Bulbs ++ (530)
* Lighting Systems ++ (1235)
* Nutrients & Supplements (4478)
* Composters & Compost Tea Brewing (40)
* Organic Gardening (513)
* Leaf Shines & Washes (90)
* Pest & Disease Control (602)
* Cloning & Propagation (442)
* Grow Systems ++ (714)
* Meters, Timers & Instruments ++ (653)
* Pots / Containers (1027)
* Pumps, Irrigation & Watering Supplies ++ (1696)
* Grow Media (547)
* Plant Seeds (62)
* Environmental Control ++ (2059)
* Greenhouses (83)
* Grow Rooms / Tents (165)
* Reflective / B&W Films (143)
* Garden Accessories ++ (1150)
* Hand Tools ++ (463)
* Gardening Books & DVDs (55)
* Growing Apparel & Bags (119)
Manufacturers more
Ads
Most Viewed
Gro Pro Premium Nursery Pot 1 Gallon
Gro Pro Premium Nursery Pot 1 Gallon
1 Gal. Thermoformed Pot
1 Gal. Thermoformed Pot
SUN SYSTEM® HPS 150W GROW LIGHT FIXTURE - COMPLETE WITH LAMP INCLUDED
SUN SYSTEM® HPS 150W GROW LIGHT FIXTURE - COMPLETE WITH LAMP INCLUDED
Thermoformed Nursery Pot 1 Gallon
Thermoformed Nursery Pot 1 Gallon
EcoPlus Eco 396 Submersible Pump 396 GPH (24/Cs)
EcoPlus Eco 396 Submersible Pump 396 GPH (24/Cs)
BOTANICARE® COCOGRO™ PREMIUM SOILESS ORGANIC GROW MEDIA COMPRESSED COIR FIBER BALE 5 KG = .31 CU FT OR 70 LITERS = 4.37 CU
BOTANICARE® COCOGRO™ PREMIUM SOILESS ORGANIC GROW MEDIA COMPRESSED COIR FIBER BALE 5 KG = .31 CU FT OR 70 LITERS = 4.37 CU
5 GALLON PLASTIC BUCKET 2 LBS (288 PER PALLET) EACH
5 GALLON PLASTIC BUCKET 2 LBS (288 PER PALLET) EACH
Retail Product Catalogs
Retail Product Catalogs
Hydroton Original 50 Liter (33/Plt)
Hydroton Original 50 Liter (33/Plt)
FoxFarm Ocean Forest Potting Soil 1.5 cu ft (62-75/Plt)
FoxFarm Ocean Forest Potting Soil 1.5 cu ft (62-75/Plt)
EcoPlus Eco 66 Submersible Pump 75 GPH (60/Cs)
EcoPlus Eco 66 Submersible Pump 75 GPH (60/Cs)
ECOGROWER®         17 GALLON RESERVOIR DRIP HYDROPONIC GROWING SYSTEM - 22.5" X 22.5" X 15.5"
ECOGROWER® 17 GALLON RESERVOIR DRIP HYDROPONIC GROWING SYSTEM - 22.5" X 22.5" X 15.5"
Plastic Grow Bag. 1 Gallon
Plastic Grow Bag. 1 Gallon
3 GALLON PLASTIC BUCKET 1.2 LBS (360/PER PALLET) EACH
3 GALLON PLASTIC BUCKET 1.2 LBS (360/PER PALLET) EACH
Plastic Dura-Pot. 3.5 in
Plastic Dura-Pot. 3.5 in
MESH POT / BUCKET LID 8" FITS SNUGGLY ON A 5 GALLON BUCKET
MESH POT / BUCKET LID 8" FITS SNUGGLY ON A 5 GALLON BUCKET
Vortex Inline Fan 6 in 452 CFM
Vortex Inline Fan 6 in 452 CFM
SUPERTHRIVE™ 4 OZ (12/CASE)
SUPERTHRIVE™ 4 OZ (12/CASE)
Gro Pro Premium Nursery Pot 15 Gallon
Gro Pro Premium Nursery Pot 15 Gallon
EZ-CLONE SPRAYER RED (BAG OF 100)
EZ-CLONE SPRAYER RED (BAG OF 100)
Languages
English Deutsch Español
Amazon Ad
ebay Ad

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
Ads

UPSFedExUSPS OnTrac CalOver EstesR+LSouthEasternSAIA
Copyright © 2005 — 2018 Usisu, Inc.: Conditions of Use VISAMasterCardAmerican ExpressDiscoverDiners ClubJBCPayPal Money Order