Horticulture Source » Gardening & Hydroponics Store » Nutrients & Supplements » Humboldt Nutrients: HUMBOLDT MASTER A 2.5 Gallons 2/CS [723028]   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 11th Year of Service to Gardeners! Thank you for your business!
Manufacturer Info
Humboldt Nutrients
Humboldt Nutrients 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

Shop By Price
Categories
* Lamps / Tubes / Bulbs ++ (525)
* Lighting Systems ++ (1196)
! Nutrients & Supplements (4261)
* Composters & Compost Tea Brewing (42)
* Organic Gardening (527)
* Leaf Shines & Washes (94)
* Pest & Disease Control (595)
* Cloning & Propagation (440)
* Grow Systems ++ (713)
* Meters, Timers & Instruments ++ (633)
* Pots / Containers (1027)
* Pumps, Irrigation & Watering Supplies ++ (1728)
* Grow Media (552)
* Plant Seeds (62)
* Environmental Control ++ (2024)
* Greenhouses (84)
* Grow Rooms / Tents (166)
* Reflective / B&W Films (143)
* Garden Accessories ++ (1089)
* Hand Tools ++ (450)
* Gardening Books & DVDs (56)
* 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)
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
Go Box Starter Kit
Go Box Starter Kit
3-Part Box Starter Kit
3-Part Box Starter Kit
Hygrozyme Horticultural Enzymatic Formula 1 Liter (12/Cs)
Hygrozyme Horticultural Enzymatic Formula 1 Liter (12/Cs)
GH Flora Series Performance Pack
GH Flora Series Performance Pack
FLORA GRO™ GALLON (4/CASE)
FLORA GRO™ GALLON (4/CASE)
FOX FARM GROW BIG® QUART (12/CASE)
FOX FARM GROW BIG® QUART (12/CASE)
LIQUINOX START with Vitamin B-1. Gallon (No USPS)
LIQUINOX START with Vitamin B-1. Gallon (No USPS)
FOX FARM BEASTIE BLOOMZ®  1LB (0- 50- 30)
FOX FARM BEASTIE BLOOMZ® 1LB (0- 50- 30)
FOX FARM TIGER BLOOM® QUART (12/CASE)
FOX FARM TIGER BLOOM® QUART (12/CASE)
FOX FARM OPEN SESAME® 1 LB (5- 45- 19)
FOX FARM OPEN SESAME® 1 LB (5- 45- 19)
Languages
English Deutsch Español
Product not found!
Continue
New Products For December
eco-5988 Dirt Pot - 3 Gallon
eco-5988
Dirt Pot - 3 Gallon

$1.95
hf-FX14086 Bushdoctor Boomerang 1 qt
hf-FX14086
Bushdoctor Boomerang 1 qt

$13.44
726898 GH Flora Duo - A (275 Gallon Tote) (Special Order)
726898
GH Flora Duo - A (275 Gallon Tote) (Special Order)

$2,833.88
749506 Star Brite Performacide Mold & Mildew Stain Remover RTU 32 oz (6/Cs)
749506
Star Brite Performacide Mold & Mildew Stain Remover RTU 32 oz (6/Cs)

$11.18
860328 Abscent Vendor Classic Edition - Black
860328
Abscent Vendor Classic Edition - Black

$65.00
hf-GGRB Rock Box Starter Pack
hf-GGRB
Rock Box Starter Pack

$50.55
704633 Monterey Complete Disease Control Concentrate Gallon (4/Cs)
704633
Monterey Complete Disease Control Concentrate Gallon (4/Cs)

$79.23
hf-ROSSBG Soul Synthetics Bloom Gal
hf-ROSSBG
Soul Synthetics Bloom Gal

$31.76
700670 CAN-FILTER FLANGES 4"
700670
CAN-FILTER FLANGES 4"

$4.99
708972 Dramm One Touch Shower & Stream Sprayer - Blue
708972
Dramm One Touch Shower & Stream Sprayer - Blue

$13.25
dl-NPK234 Multiply - Gallon (SPECIAL ORDER)
dl-NPK234
Multiply - Gallon (SPECIAL ORDER)

$280.50
NT720 1500 PPM Buffer Solution. 4 fl oz
NT720
1500 PPM Buffer Solution. 4 fl oz

$5.24
724620 NET POT LIDS 6" (10/BAG, 25 BAGS/CASE, 250/CASE) SOLD IN BAG OR CASE QUANTITIES ONLY
724620
NET POT LIDS 6" (10/BAG, 25 BAGS/CASE, 250/CASE) SOLD IN BAG OR CASE QUANTITIES ONLY

$9.62
hf-HLMM Merlin Membrane Replacement Filter
hf-HLMM
Merlin Membrane Replacement Filter

$104.80
hf-LL01625 Digital Soil Thermometer
hf-LL01625
Digital Soil Thermometer

$10.77
760498 FloraFlex Quick Disconnect Pipe System Multi Flow Bubbler 3/4 in Tee (12/Cs)
760498
FloraFlex Quick Disconnect Pipe System Multi Flow Bubbler 3/4 in Tee (12/Cs)

$19.97
dl-SNS604B-32OZ SNS 604B Flower Stimulator 32 oz
dl-SNS604B-32OZ
SNS 604B Flower Stimulator 32 oz

$14.30
dl-NPK270 RAW B-Vitamin - 2 oz
dl-NPK270
RAW B-Vitamin - 2 oz

$7.41
dl-HS004 Quick Snip Trimmer Lubricant 4 oz.
dl-HS004
Quick Snip Trimmer Lubricant 4 oz.

$10.95
APG160 ZEN-TEK INSTRUMENTS 0-160 PSI Ammonia Gauge
APG160
ZEN-TEK INSTRUMENTS 0-160 PSI Ammonia Gauge

$13.20
hf-FFLEX061 FloraFlex Long Plunge T 1 GPH, Pack of 6
hf-FFLEX061
FloraFlex Long Plunge T 1 GPH, Pack of 6

$4.22
736503 Hurricane 16" Wall Mount Fan - Classic Series
736503
Hurricane 16" Wall Mount Fan - Classic Series

$25.61
FI540 Barbed Connector. 1/4 in
FI540
Barbed Connector. 1/4 in

$0.20
715615 Cutting Edge Grow 6 Gallon
715615
Cutting Edge Grow 6 Gallon

$73.73
hf-CKMETRY Cut Kit Tray 10x20" w/ Mesh Tray (case of 50)
hf-CKMETRY
Cut Kit Tray 10x20" w/ Mesh Tray (case of 50)

$95.15
hf-TFBCGR65L B.C. Grow, 65 lt
hf-TFBCGR65L
B.C. Grow, 65 lt

$251.48
hf-HL23115 Filter Canister for Merlin Garden Pro
hf-HL23115
Filter Canister for Merlin Garden Pro

$36.36
733435 BCuzz Blossom Builder 12oz / 355ml (12/Cs)
733435
BCuzz Blossom Builder 12oz / 355ml (12/Cs)

$30.11
Ads
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 — 2017 Usisu, Inc.: Conditions of Use VISAMasterCardAmerican ExpressDiscoverDiners ClubJBCPayPal Money Order