Horticulture Source » Gardening & Hydroponics Store » Humboldt Nutrients Master B 15 Gal [dl-HNMB425]   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! Thank you for your business!
Categories
* Lamps / Tubes / Bulbs ++ (538)
* Lighting Systems ++ (1184)
* Nutrients & Supplements (4274)
* Composters & Compost Tea Brewing (43)
* Organic Gardening (537)
* Leaf Shines & Washes (97)
* Pest & Disease Control (582)
* Cloning & Propagation (450)
* Grow Systems ++ (723)
* Meters, Timers & Instruments ++ (642)
* Pots / Containers (1028)
* Pumps, Irrigation & Watering Supplies ++ (1712)
* Grow Media (553)
* Plant Seeds (62)
* Environmental Control ++ (1988)
* Greenhouses (86)
* Grow Rooms / Tents (165)
* Reflective / B&W Films (141)
* Garden Accessories ++ (1022)
* Hand Tools ++ (526)
* Gardening Books & DVDs (57)
* Growing Apparel & Bags (96)
What's New? more
20 Gal. Squat Injection Molded Pot
dl-907720
20 Gal. Squat Injection Molded Pot
$8.53
Manufacturers more
Quick Find
Quick Find
Use keywords to find the product you are looking for.
Advanced Search

Information
Who else is online?
There are 19 guests online.
Ads
Product not found!
Continue
New Products For May
hf-IGSPF396 Phat Filter 39" x 6", 800 CFM
hf-IGSPF396
Phat Filter 39" x 6", 800 CFM

$102.66
hf-HOEC35068 Elements Cal-n-Mag 55 Gallon Drum
hf-HOEC35068
Elements Cal-n-Mag 55 Gallon Drum

$711.27
732179 General Hydroponics« FloraNectar 6 Gallon
732179
General Hydroponics« FloraNectar 6 Gallon

$146.48
hf-FSMI010 Flying Skull Z7 Enzyme Cleanser, 8 oz (part 1 & 2)
hf-FSMI010
Flying Skull Z7 Enzyme Cleanser, 8 oz (part 1 & 2)

$19.85
hf-SF5462 Safer's 3 in 1 Garden Spray 32oz Concentrate
hf-SF5462
Safer's 3 in 1 Garden Spray 32oz Concentrate

$17.16
hf-ACY866 Y Connector 8" x 6" x 6"
hf-ACY866
Y Connector 8" x 6" x 6"

$12.02
hf-GH94015 Blue Tubing-1/2" x 100' Roll
hf-GH94015
Blue Tubing-1/2" x 100' Roll

$23.99
dl-757416 DoubleLux 4ft 16 Bulb T5 Fluorescent Light
dl-757416
DoubleLux 4ft 16 Bulb T5 Fluorescent Light

$292.00
hf-HCRP0103 Hormex Rooting Powder #3, 1 lb
hf-HCRP0103
Hormex Rooting Powder #3, 1 lb

$41.25
740930 BOND GREEN BAMBOO 3 FT (25/bag)
740930
BOND GREEN BAMBOO 3 FT (25/bag)

$2.78
700520 Lux Digital Thermostat (10/CS)
700520
Lux Digital Thermostat (10/CS)

$40.12
eco-2383 Active Aqua 10" Carbon Block Filter
eco-2383
Active Aqua 10" Carbon Block Filter

$9.78
hf-ILNS50 NeoSol 50W LED Plant Growth Fixture (Special Order)
hf-ILNS50
NeoSol 50W LED Plant Growth Fixture (Special Order)

$273.39
708626 RAIN DRIP 1/2 GPH DRIPPERS BAG of 25
708626
RAIN DRIP 1/2 GPH DRIPPERS BAG of 25

$8.65
eco-5126 Active Aqua Premium White Tray, 3' x 3'
eco-5126
Active Aqua Premium White Tray, 3' x 3'

$79.21
hf-FFLEX097 FloraFlex Long Rocket 60 deg 2 GPH, Pack of 6
hf-FFLEX097
FloraFlex Long Rocket 60 deg 2 GPH, Pack of 6

$5.67
hf-RXRT04OZ RX Green Solutions Root, 4 oz
hf-RXRT04OZ
RX Green Solutions Root, 4 oz

$25.15
708551 BOTANICARE« EBB & FLOW 1/2" BARBED FITTING (BAG of 25)
708551
BOTANICARE« EBB & FLOW 1/2" BARBED FITTING (BAG of 25)

$30.69
hf-AC6F Active Air 6" Flange
hf-AC6F
Active Air 6" Flange

$9.34
dl-MMA405 Myco Madness - 8 oz. - Humboldt Nutrients
dl-MMA405
Myco Madness - 8 oz. - Humboldt Nutrients

$29.20
hf-GH1428 FloraGro 55 Gal
hf-GH1428
FloraGro 55 Gal

$644.49
760428 FloraFlex 90 1/4 in 1 GPH Short Plunge Drippers (1=6/Bag)
760428
FloraFlex 90 1/4 in 1 GPH Short Plunge Drippers (1=6/Bag)

$2.97
dl-550007 Mini Clip Scissors
dl-550007
Mini Clip Scissors

$1.99
dl-LL32 Liquid Ladybug 32 oz
dl-LL32
Liquid Ladybug 32 oz

$24.49
IN003 Nuke em Commercial - 1 gallon
IN003
Nuke em Commercial - 1 gallon

$155.01
718032 GH Flora Bloom (275 Gallon Tote)
718032
GH Flora Bloom (275 Gallon Tote)

$2,739.09
hf-BZTABBZ B'Cuzz Blossom Builder Tabzz, box of 18 Tabzz
hf-BZTABBZ
B'Cuzz Blossom Builder Tabzz, box of 18 Tabzz

$66.96
hf-GPSA2CUFT Growstone Soil Aerator 2 cu ft.
hf-GPSA2CUFT
Growstone Soil Aerator 2 cu ft.

$22.88
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
Tell A Friend
 
Share what you've found! Email a link to this page to friends, family, and colleagues!
Specials more
Dyna-Gro KLN 32 oz
Dyna-Gro KLN 32 oz
$19.64
$18.30
Reviews more
Write ReviewWrite a review on this product!
BizRate Customer Certified (GOLD) Site - HorticultureSource.com -Specialty Gardening Supply Reviews at Bizrate

Similar Products
Z7 Water Conditioner Commercial - 8 fl oz
MI020
Z7 Water Conditioner Commercial - 8 fl oz
$23.61

Fulmag,1 qt
hf-SG0118QT
Fulmag,1 qt
$10.43

RAW Potassium, 8 oz
hf-OG3610
RAW Potassium, 8 oz
$15.94

BioAg VAM 100 gm (24/Cs)
719730
BioAg VAM 100 gm (24/Cs)
$6.36

Monster Grow  130 g
hf-GTMG130
Monster Grow 130 g
$9.79

Languages
English Deutsch Espa˝ol
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  Proud Hydro for Hunger Participant
UPSFedExUSPS OnTrac CalOver EstesR+LSouthEasternSAIA
Copyright © 2005 — 2017 Usisu, Inc.: Conditions of Use VISAMasterCardAmerican ExpressDiscoverDiners ClubJBCPayPal Money Order