Horticulture Source » Gardening & Hydroponics Store » Master A - 1 Gal. - Humboldt Nutrients [dl-HNMA410]   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 our 11th Year of Service to Gardeners in 91 Countries! Thank you for your business!
Categories
* Lamps / Tubes / Bulbs ++ (538)
* Lighting Systems ++ (1169)
* Nutrients & Supplements (4228)
* Composters & Compost Tea Brewing (43)
* Organic Gardening (539)
* Leaf Shines & Washes (97)
* Pest & Disease Control (572)
* Cloning & Propagation (449)
* Grow Systems ++ (653)
* Meters, Timers & Instruments ++ (666)
* Pots / Containers (1026)
* Pumps, Irrigation & Watering Supplies ++ (1673)
* Grow Media (537)
* Plant Seeds (60)
* Environmental Control ++ (1957)
* Greenhouses (89)
* Grow Rooms / Tents (166)
* Reflective / B&W Films (141)
* Garden Accessories ++ (1007)
* Hand Tools ++ (538)
* Gardening Books & DVDs (58)
* Growing Apparel & Bags (98)
Manufacturers more
What's New? more
GH CocoTek Premium Coir, 1.5 cu ft
hf-GH3201
GH CocoTek Premium Coir, 1.5 cu ft
$14.48
Quick Find
Quick Find
Use keywords to find the product you are looking for.
Advanced Search

Information
Who else is online?
There are 17 guests online.
Ads
Product not found!
Continue
New Products For March
760418 FloraFlex 60 1/4 in 2 GPH Short Plunge Drippers (1=6/Bag)
760418
FloraFlex 60 1/4 in 2 GPH Short Plunge Drippers (1=6/Bag)

$3.11
707169 105 GAL GREEN STANDUP RESERVOIR 23" Diameter x 63" Height
707169
105 GAL GREEN STANDUP RESERVOIR 23" Diameter x 63" Height

$303.62
720305 PLANT SUCCESS GRANULAR 1LB MYCORRHIZAE (3-1-2) 12/case
720305
PLANT SUCCESS GRANULAR 1LB MYCORRHIZAE (3-1-2) 12/case

$15.42
hf-GTMG6020 Monster Grow Pro, 130 g
hf-GTMG6020
Monster Grow Pro, 130 g

$10.16
hf-AH88093 SuperNova, 5 Gal
hf-AH88093
SuperNova, 5 Gal

$378.67
705145 6 ft bus cable line
705145
6 ft bus cable line

$9.08
hf-FSMI015 Flying Skull Z7 Enzyme Cleanser, 5 gal (part 1 & 2)
hf-FSMI015
Flying Skull Z7 Enzyme Cleanser, 5 gal (part 1 & 2)

$541.91
NT725 1500 PPM Buffer Solution. 16 fl oz
NT725
1500 PPM Buffer Solution. 16 fl oz

$9.58
dl-597300 PruneX Fabric Pot - 300 Gal
dl-597300
PruneX Fabric Pot - 300 Gal

$51.61
eco-4059 Sylvania / Philips 1000 W Halide BT56 Universal (6/Cs)
eco-4059
Sylvania / Philips 1000 W Halide BT56 Universal (6/Cs)

$30.08
724892 RediRoot Aeration Container 7 Gallon (10/Cs)
724892
RediRoot Aeration Container 7 Gallon (10/Cs)

$4.78
742135 HydroFlow Barbed Reducer Elbow 1/4in to 3/16in (case of 500)
742135
HydroFlow Barbed Reducer Elbow 1/4in to 3/16in (case of 500)

$140.16
731984 Bloom Sensation 250 ml (12/Cs)
731984
Bloom Sensation 250 ml (12/Cs)

$24.73
hf-ND1100053 Probe pH Electrode
hf-ND1100053
Probe pH Electrode

$45.82
724960 Gro Pro Square 5 Gallon (50/Cs)
724960
Gro Pro Square 5 Gallon (50/Cs)

$3.30
702655 KRONUS 4 TEMP HUMIDITY CO2 DAY & NIGHT
702655
KRONUS 4 TEMP HUMIDITY CO2 DAY & NIGHT

$299.01
eco-5994 Dirt Pot - 25 Gallon
eco-5994
Dirt Pot - 25 Gallon

$8.63
hf-EP5020 Bone Meal 4.5 lb bag
hf-EP5020
Bone Meal 4.5 lb bag

$9.13
PU151 Plastic Valve. 1/2 in
PU151
Plastic Valve. 1/2 in

$3.61
721230 Xtreme Gardening Mykos WP 15 lbs.
721230
Xtreme Gardening Mykos WP 15 lbs.

$237.69
dl-907905 5 Gal. Squat Thermoformed Pot
dl-907905
5 Gal. Squat Thermoformed Pot

$1.49
hf-ROUF3 Uprising Foundation 3lb
hf-ROUF3
Uprising Foundation 3lb

$12.51
hf-BAL400X 400W Xtreme Switchable Ballast
hf-BAL400X
400W Xtreme Switchable Ballast

$95.59
724630 Premium 8" Black Plastic Mesh Pot (100/case)
724630
Premium 8" Black Plastic Mesh Pot (100/case)

$1.95
eco-5735 Non Insulated Air Duct 4" x 25'
eco-5735
Non Insulated Air Duct 4" x 25'

$7.54
FA950 4" Flange Kit for Sun Hut
FA950
4" Flange Kit for Sun Hut

$8.61
eco-5830 Autopilot CO2 Generator AC Power Adapter
eco-5830
Autopilot CO2 Generator AC Power Adapter

$23.78
eco-2274 Jump Start 36 Pellet Refills
eco-2274
Jump Start 36 Pellet Refills

$4.28
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
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
BOTANICARE® PUREBLEND™ ORIGINAL BLOOM 0.5-0.5-1 - GALLON (4/CASE)
BOTANICARE® PUREBLEND™ ORIGINAL BLOOM 0.5-0.5-1 - GALLON (4/CASE)
$16.35
$14.56
Similar Products
Heavy Duty Nova Mixer
hf-GH4200
Heavy Duty Nova Mixer
$7.24

Soul Bloom Gallon (4/Cs)
715276
Soul Bloom Gallon (4/Cs)
$34.69

BioBizz Pre·Mix™ Dry Fertilizer 5 lr
dl-BBG200201
BioBizz Pre·Mix™ Dry Fertilizer 5 lr
$9.60

Budswel, 12lbs. dry
hf-GUBS012
Budswel, 12lbs. dry
$94.81

Killer Tea Gal
hf-ETKTGAL
Killer Tea Gal
$26.19

Languages
English Deutsch Español
Currencies
Ads
Amazon Ad
Matched Content
Ads
Global Tech LED Mammoth

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
APO/FPO addresses are no problem.
International orders are always welcome!
UPSFedExUSPS OnTrac CalOver EstesR+LSouthEasternSAIA
Copyright © 2005 — 2017 Usisu, Inc.: Conditions of Use VISAMasterCardAmerican ExpressDiscoverDiners ClubJBCPayPal Money Order