Horticulture Source » Gardening & Hydroponics Store » Nutrients & Supplements » Humboldt Nutrients: HUMBOLDT MASTER B 2.5 Gallons 2/CS [723038]   Mobile   Secure |  My Account | Cart Contents | Checkout )
Horticulture Source
Quick Find
Help [?]   Search Descriptions Phrase   Advanced
Secure   My Account   Cart Contents   Checkout  
Happy National Garden Month!
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 April
703240 Sentinel GPS BHC-1a PB Basic Humidity Controller (Plug Box)
703240
Sentinel GPS BHC-1a PB Basic Humidity Controller (Plug Box)

$66.00
PO105 1020 Flat Plastic Tray.
PO105
1020 Flat Plastic Tray.

$1.01
hf-EN41050 Elite Resin D, 5 gal
hf-EN41050
Elite Resin D, 5 gal

$453.73
eco-3998 4' T5 Philips Alto Warm HO 3K (10/cs)
eco-3998
4' T5 Philips Alto Warm HO 3K (10/cs)

$11.19
700385 ONA MIST - FRESH LINEN 6 OZ  (12/CASE)
700385
ONA MIST - FRESH LINEN 6 OZ (12/CASE)

$8.47
760430 FloraFlex 60 1/4 in 4 GPH Short Rocket Drippers (1=6/Bag) (Special Order)
760430
FloraFlex 60 1/4 in 4 GPH Short Rocket Drippers (1=6/Bag) (Special Order)

$4.11
780102 Grozone Control TP3 High Temperature Shut Off Tempstat
780102
Grozone Control TP3 High Temperature Shut Off Tempstat

$60.28
732115 Botanicare Cal-Mag Plus Gallon (4/Cs)
732115
Botanicare Cal-Mag Plus Gallon (4/Cs)

$29.35
eco-5918A 10" Round Mesh Bottom Pots (w/lip)
eco-5918A
10" Round Mesh Bottom Pots (w/lip)

$104.78
hf-ROBW Roots Organics Big Worm Worm Castings, 1cf
hf-ROBW
Roots Organics Big Worm Worm Castings, 1cf

$28.38
hf-MIC65 EC65 Waterproof Tester
hf-MIC65
EC65 Waterproof Tester

$58.73
738724 Ideal-Air Aluminum Semi-Rigid Flex Ducting 4in x 25ft
738724
Ideal-Air Aluminum Semi-Rigid Flex Ducting 4in x 25ft

$17.60
hf-AERO612 AeroGarden 3-Pod Mixed Kale Seed Kit
hf-AERO612
AeroGarden 3-Pod Mixed Kale Seed Kit

$9.87
AGU280 Zenport AGU280 6 foot Field Umbrella (1 inch Pole)
AGU280
Zenport AGU280 6 foot Field Umbrella (1 inch Pole)

$24.97
700398 ONA DISPENSERS - ODOR STORM DISPENSER - 225 CFM FAN
700398
ONA DISPENSERS - ODOR STORM DISPENSER - 225 CFM FAN

$302.50
717224 Nutrilife PyroCLAY 15 kg (1/Cs)
717224
Nutrilife PyroCLAY 15 kg (1/Cs)

$103.95
eco-4753 General Hydroponics Grommet - 3/4", Bag of 10
eco-4753
General Hydroponics Grommet - 3/4", Bag of 10

$4.40
FA951 6" Flange Kit for Sun Hut
FA951
6" Flange Kit for Sun Hut

$8.76
800083 Grower's Edge 21 in Releasable/Reusable Cable Tie 25/Pack (1ea = Pack 25)
800083
Grower's Edge 21 in Releasable/Reusable Cable Tie 25/Pack (1ea = Pack 25)

$6.55
hf-HNV404 Verde 16 oz.
hf-HNV404
Verde 16 oz.

$8.87
hf-GH98001 AeroFlo2 - 6 ft.Square chamber - drilled on 7" centers for 3" net cups
hf-GH98001
AeroFlo2 - 6 ft.Square chamber - drilled on 7" centers for 3" net cups

$64.74
hf-RC300 300 Gallon Smart Pot 60"x 24"
hf-RC300
300 Gallon Smart Pot 60"x 24"

$46.17
704461 Grower's Edge LED Headband Magnifier w/ 5 Lenses 1.0x - 1.5x - 2.5x - 3.0x - 3.5x
704461
Grower's Edge LED Headband Magnifier w/ 5 Lenses 1.0x - 1.5x - 2.5x - 3.0x - 3.5x

$7.48
721666 Grow More Mendocino Flowering Cal Mag Quart (12/Cs)
721666
Grow More Mendocino Flowering Cal Mag Quart (12/Cs)

$11.00
hf-RWDM6.5 Delta 6.5 Block, 4"x4"x2.5", case of 216
hf-RWDM6.5
Delta 6.5 Block, 4"x4"x2.5", case of 216

$147.03
hf-SBDLENS Lens System for Sunburst Adjustable
hf-SBDLENS
Lens System for Sunburst Adjustable

$8.79
hf-APDPX1 Autopilot PX1 Digital Lighting Controller
hf-APDPX1
Autopilot PX1 Digital Lighting Controller

$206.22
701115 Phresh Filter Replacement Pre-Filter XL 14in x 50in
701115
Phresh Filter Replacement Pre-Filter XL 14in x 50in

$23.93
Ads
Manufacturer Info
Humboldt Nutrients
Humboldt Nutrients Homepage
Other products
Reviews more
Write ReviewWrite a review on this product!

Shop By Price
Categories
* Lamps / Tubes / Bulbs ++ (531)
* Lighting Systems ++ (1234)
! Nutrients & Supplements (4352)
* Composters & Compost Tea Brewing (41)
* Organic Gardening (522)
* Leaf Shines & Washes (93)
* Pest & Disease Control (609)
* Cloning & Propagation (442)
* Grow Systems ++ (724)
* Meters, Timers & Instruments ++ (655)
* Pots / Containers (1033)
* Pumps, Irrigation & Watering Supplies ++ (1744)
* Grow Media (547)
* Plant Seeds (62)
* Environmental Control ++ (2062)
* Greenhouses (83)
* Grow Rooms / Tents (167)
* Reflective / B&W Films (143)
* Garden Accessories ++ (1136)
* Hand Tools ++ (463)
* Gardening Books & DVDs (55)
* Growing Apparel & Bags (119)
Manufacturers more
Ads
Most Viewed in Plant Food, Nutrients, Fertilizers & Supplements - Primary & Secondary, Essential & Minor Elements, Macronutrients, Micronutrients
SUPERTHRIVE™ 4 OZ (12/CASE)
SUPERTHRIVE™ 4 OZ (12/CASE)
Nutrient Trio-Soil Formula, 3 qts
Nutrient Trio-Soil Formula, 3 qts
PURPLE MAXX 8 OZ
PURPLE MAXX 8 OZ
FOX FARM BIG BLOOM™ 0-4-0 QUART (12/CASE)
FOX FARM BIG BLOOM™ 0-4-0 QUART (12/CASE)
EARTH JUICE™ BLOOM 0-3-1 Organic - QUART(12/CASE)
EARTH JUICE™ BLOOM 0-3-1 Organic - QUART(12/CASE)
Go Box Starter Kit
Go Box Starter Kit
3-Part Box Starter Kit
3-Part Box Starter Kit
TECHNAFLORA® RECIPE FOR SUCCESS STARTER KIT (10/CASE)
TECHNAFLORA® RECIPE FOR SUCCESS STARTER KIT (10/CASE)
SUPERTHRIVE™ GALLON (4/CASE)
SUPERTHRIVE™ GALLON (4/CASE)
BOTANICARE® LIQUID KARMA™ QUARTS (12/CASE)
BOTANICARE® LIQUID KARMA™ QUARTS (12/CASE)
Botanicare Cal-Mag Plus Quart (12/Cs)
Botanicare Cal-Mag Plus Quart (12/Cs)
FLORA BLOOM GALLON
FLORA BLOOM GALLON
Dirty Dozen Starter Kit
Dirty Dozen Starter Kit
GH Flora Series Performance Pack
GH Flora Series Performance Pack
Hygrozyme Horticultural Enzymatic Formula 1 Liter (12/Cs)
Hygrozyme Horticultural Enzymatic Formula 1 Liter (12/Cs)
LIQUINOX START with Vitamin B-1. Gallon (No USPS)
LIQUINOX START with Vitamin B-1. Gallon (No USPS)
FLORA GRO™ GALLON (4/CASE)
FLORA GRO™ GALLON (4/CASE)
FOX FARM GROW BIG® QUART (12/CASE)
FOX FARM GROW BIG® QUART (12/CASE)
FOX FARM BEASTIE BLOOMZ®  1LB (0- 50- 30)
FOX FARM BEASTIE BLOOMZ® 1LB (0- 50- 30)
FLORA MICRO™ GALLON (4/CASE)
FLORA MICRO™ GALLON (4/CASE)
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