Please note due to the unexpected network outage at the data center 4/16 & 4/17 any delayed orders will get processed by Monday end of day. Thank you for your patience. We do apologize for any inconvenience.
Horticulture Source   Lowest prices guaranteed: We beat and match prices!

Shop 14,200+ Horticultural, Organic & Hydroponics items!

  Contact Us Download vCard    Follow us on Twitter Our Facebook Profile Our MySpace Profile
 
  Search: Quick Find  
Help [?] Phrase Advanced Search
 
Bookmark and Share
 
Secure   My Account   Cart Contents   Checkout  
  Horticulture Source » Discount Specialty Farm, Greenhouse, Garden & Hydroponics Supply Store » Humboldt Nutrients   Mobile   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.
Happy Easter!
Categories
* Lamps / Tubes / Bulbs ++ (546)
* Lighting Systems ++ (1146)
* Nutrients & Supplements (3855)
* Composters & Compost Tea Brewing (31)
* Organic Gardening (468)
* Leaf Shines & Washes (106)
* Pest & Disease Control (482)
* Cloning & Propagation (349)
* Grow Systems ++ (617)
* Meters, Timers & Instruments ++ (706)
* Pots / Containers (880)
* Pumps, Irrigation & Watering Supplies ++ (1418)
* Grow Media (538)
* Plant Seeds (10)
* Environmental Control ++ (1952)
* Greenhouses (82)
* Grow Rooms / Tents (102)
* Reflective / B&W Films (120)
* Garden Accessories ++ (694)
* Hand Tools ++ (516)
* Gardening Books & DVDs (57)
* Growing Apparel (4)
* Aquaculture / Aquarium / Reef Tank / Marine ++ (1)
Manufacturers more
What's New? more
Cedar Magic PM Concentrated 1L
dl-HT9557
Cedar Magic PM Concentrated 1L
$35.64
Quick Find
Quick Find
Use keywords to find the product you are looking for.
Advanced Search

Information
Who else is online?
There are 15 guests and 
1 logged in customer online.
Frequent search words
Ads

What do we have here?
Humboldt Nutrients

Show: 
What do we have here?
Displaying 81 to 100 (of 274 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  [Next >>] 
 Sort by Popularity   Manufacturer   Product(s)   Model-   Price   Buy Now 
Master-A, 1 gal.  Humboldt Nutrients  Master-A, 1 gal.
Humboldt Nutrients Master-A, 1 gal. (HNMA410)NPK 4-0-3 Humboldt Nutrients Master A&B is a premium two-part fertilizer program designed for all plants made with non-toxic, high quality ingredients. Humboldt Nutrients has formulated this vigorous 2-part nutrient solution for use on any plant, in any growing medium and contains no EDTA’s. The Humboldt Nutrients team of chemists ... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HNMA410   $47.78 
Master-A, 32 oz.  Humboldt Nutrients  Master-A, 32 oz.
Humboldt Nutrients Master-A, 32 oz. (HNMA405)NPK 4-0-3 Humboldt Nutrients Master A&B is a premium two-part fertilizer program designed for all plants made with non-toxic, high quality ingredients. Humboldt Nutrients has formulated this vigorous 2-part nutrient solution for use on any plant, in any growing medium and contains no EDTA’s. The Humboldt Nutrients team of chemists ... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HNMA405   $15.93 
Master-A, 16 oz.  Humboldt Nutrients  Master-A, 16 oz.
Humboldt Nutrients Master-A, 16 oz. (HNMA404)NPK 4-0-3 Humboldt Nutrients Master A&B is a premium two-part fertilizer program designed for all plants made with non-toxic, high quality ingredients. Humboldt Nutrients has formulated this vigorous 2-part nutrient solution for use on any plant, in any growing medium and contains no EDTA’s. The Humboldt Nutrients team of chemists ... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HNMA404   $9.95 
Micro 15 gal.  Humboldt Nutrients  Micro 15 gal.
Humboldt Nutrients Micro 15 gal. (HNM425)NPK 5-0-1 Humboldt Nutrients Micro formula, was designed in Humboldt County to be used with our Grow and Bloom to be a complete growing nutrient system for hydroponics as well as other growing mediums. Humboldt Nutrients Micro has all the micro nutrients necessary to create vigorous, healthy plants, strong aromas and large yields. Through ex... — LTL Shipping Required — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HNM425   $265.85 
Micro 5 gal.  Humboldt Nutrients  Micro 5 gal.
Humboldt Nutrients Micro 5 gal. (HNM420)NPK 5-0-1 Humboldt Nutrients Micro formula, was designed in Humboldt County to be used with our Grow and Bloom to be a complete growing nutrient system for hydroponics as well as other growing mediums. Humboldt Nutrients Micro has all the micro nutrients necessary to create vigorous, healthy plants, strong aromas and large yields. Through ext... — LTL Shipping Required — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HNM420   $98.46 
Micro 2.5 gal.  Humboldt Nutrients  Micro 2.5 gal.
Humboldt Nutrients Micro 2.5 gal. (HNM415)NPK 5-0-1 Humboldt Nutrients Micro formula, was designed in Humboldt County to be used with our Grow and Bloom to be a complete growing nutrient system for hydroponics as well as other growing mediums. Humboldt Nutrients Micro has all the micro nutrients necessary to create vigorous, healthy plants, strong aromas and large yields. Through e... — Ships separately from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HNM415   $56.54 
Micro 1 gal.  Humboldt Nutrients  Micro 1 gal.
Humboldt Nutrients Micro 1 gal. (HNM410)NPK 5-0-1 Humboldt Nutrients Micro formula, was designed in Humboldt County to be used with our Grow and Bloom to be a complete growing nutrient system for hydroponics as well as other growing mediums. Humboldt Nutrients Micro has all the micro nutrients necessary to create vigorous, healthy plants, strong aromas and large yields. Through ext... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HNM410   $24.70 
Micro 32 oz.  Humboldt Nutrients  Micro 32 oz.
Humboldt Nutrients Micro 32 oz. (HNM405)NPK 5-0-1 Humboldt Nutrients Micro formula, was designed in Humboldt County to be used with our Grow and Bloom to be a complete growing nutrient system for hydroponics as well as other growing mediums. Humboldt Nutrients Micro has all the micro nutrients necessary to create vigorous, healthy plants, strong aromas and large yields. Through ext... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HNM405   $11.73 
Micro 16 oz.  Humboldt Nutrients  Micro 16 oz.
Humboldt Nutrients Micro 16 oz. (HNM404)NPK 5-0-1 Humboldt Nutrients Micro formula, was designed in Humboldt County to be used with our Grow and Bloom to be a complete growing nutrient system for hydroponics as well as other growing mediums. Humboldt Nutrients Micro has all the micro nutrients necessary to create vigorous, healthy plants, strong aromas and large yields. Through ext... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HNM404   $6.74 
Sea Cal 15 gal.  Humboldt Nutrients  Sea Cal 15 gal.
Humboldt Nutrients Sea Cal 15 gal. (HNK425)NPK 2-0-0 Humboldt Nutrients Sea Cal was designed in Humboldt County to be a powerful additive for hydroponics and all growing mediums. Sea-Cal may be utilized for any type of vegetable, flower or herb. Sea Cal is a highly concentrated growth enhancer and calcium supplement that offers vital nitrogen and calcium in the specific ratios nece... — LTL Shipping Required — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HNK425   $968.76 
Sea Cal 5 gallon (Special Order)  Humboldt Nutrients  Sea Cal 5 gallon (Special Order)
Humboldt Nutrients Sea Cal 5 gal. (HNK420)NPK 2-0-0 Humboldt Nutrients Sea Cal was designed in Humboldt County to be a powerful additive for hydroponics and all growing mediums. Sea-Cal may be utilized for any type of vegetable, flower or herb. Sea Cal is a highly concentrated growth enhancer and calcium supplement that offers vital nitrogen and calcium in the specific ratios nec... — LTL Shipping Required — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HNK420   $371.28 
Sea Cal 2.5 gal.  Humboldt Nutrients  Sea Cal 2.5 gal.
Humboldt Nutrients Sea Cal 2.5 gal. (HNK415)NPK 2-0-0 Humboldt Nutrients Sea Cal was designed in Humboldt County to be a powerful additive for hydroponics and all growing mediums. Sea-Cal may be utilized for any type of vegetable, flower or herb. Sea Cal is a highly concentrated growth enhancer and calcium supplement that offers vital nitrogen and calcium in the specific ratios nec... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HNK415   $204.67 
Sea Cal 1 gal.  Humboldt Nutrients  Sea Cal 1 gal.
Humboldt Nutrients Sea Cal 1 gal. (HNK410)NPK 2-0-0 Humboldt Nutrients Sea Cal was designed in Humboldt County to be a powerful additive for hydroponics and all growing mediums. Sea-Cal may be utilized for any type of vegetable, flower or herb. Sea Cal is a highly concentrated growth enhancer and calcium supplement that offers vital nitrogen and calcium in the specific ratios neces... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HNK410   $88.49 
Sea Cal 32 oz.  Humboldt Nutrients  Sea Cal 32 oz.
Humboldt Nutrients Sea Cal 32 oz. (HNK405)NPK 2-0-0 Humboldt Nutrients Sea Cal was designed in Humboldt County to be a powerful additive for hydroponics and all growing mediums. Sea-Cal may be utilized for any type of vegetable, flower or herb. Sea Cal is a highly concentrated growth enhancer and calcium supplement that offers vital nitrogen and calcium in the specific ratios neces... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HNK405   $23.15 
Sea Cal 16 oz.  Humboldt Nutrients  Sea Cal 16 oz.
Humboldt Nutrients Sea Cal 16 oz. (HNK404)NPK 2-0-0 Humboldt Nutrients Sea Cal was designed in Humboldt County to be a powerful additive for hydroponics and all growing mediums. Sea-Cal may be utilized for any type of vegetable, flower or herb. Sea Cal is a highly concentrated growth enhancer and calcium supplement that offers vital nitrogen and calcium in the specific ratios neces... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HNK404   $13.45 
Sea Cal 8 oz.  Humboldt Nutrients  Sea Cal 8 oz.
Humboldt Nutrients Sea Cal 8 oz. (HNK400)NPK 2-0-0 Humboldt Nutrients Sea Cal was designed in Humboldt County to be a powerful additive for hydroponics and all growing mediums. Sea-Cal may be utilized for any type of vegetable, flower or herb. Sea Cal is a highly concentrated growth enhancer and calcium supplement that offers vital nitrogen and calcium in the specific ratios necess... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HNK400   $8.31 
Sticky 1/2 Gal  Humboldt Nutrients  Sticky 1/2 Gal
Humboldt Nutrients Sticky 1/2 Gal (HNHSK003)Humboldt Sticky is a premium sticking and wetting agent which has been extensively tested in Northern California with phenomenal results, and is formulated using premium ingredients which are simply unavailable in similar products. With Humboldt Sticky your foliar sprays are fully utilized by the plant, eliminating waste or overfeeding. B... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HNHSK003   $33.38 
Sticky 32oz  Humboldt Nutrients  Sticky 32oz
Humboldt Nutrients Sticky 32oz (HNHSK002)Humboldt Sticky is a premium sticking and wetting agent which has been extensively tested in Northern California with phenomenal results, and is formulated using premium ingredients which are simply unavailable in similar products. With Humboldt Sticky your foliar sprays are fully utilized by the plant, eliminating waste or overfeeding. By e... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HNHSK002   $19.63 
Sticky 16oz  Humboldt Nutrients  Sticky 16oz
Humboldt Nutrients Sticky 16oz (HNHSK001)Humboldt Sticky is a premium sticking and wetting agent which has been extensively tested in Northern California with phenomenal results, and is formulated using premium ingredients which are simply unavailable in similar products. With Humboldt Sticky your foliar sprays are fully utilized by the plant, eliminating waste or overfeeding. By e... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HNHSK001   $13.21 
Sticky 8oz  Humboldt Nutrients  Sticky 8oz
Humboldt Nutrients Sticky 8oz (HNHSK000)Humboldt Sticky is a premium sticking and wetting agent which has been extensively tested in Northern California with phenomenal results, and is formulated using premium ingredients which are simply unavailable in similar products. With Humboldt Sticky your foliar sprays are fully utilized by the plant, eliminating waste or overfeeding. By e... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HNHSK000   $7.93 
Displaying 81 to 100 (of 274 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  [Next >>] 
Ads
Social Bookmark
Shopping Cart more
0 items - Add an item to the cart to get a quote!
 Estimate Shipping Costs by adding a product to the cart.
Shop By Price
Reviews more
6 Outlet Air Manifold
I emailed and asked what size tubing this took. I was told i ..
3 of 5 Stars!
BizRate Customer Certified (GOLD) Site - HorticultureSource.com -Specialty Gardening Supply Reviews at Bizrate


PriceGrabber User Ratings for Horticulture Source
Specials more
INVENTORY BLOWOUT SALE
MANY ITEMS FAR BELOW COST - while quantities last

Barbed Tee. 3/4 in
Barbed Tee. 3/4 in
$1.20
$1.08
Most Viewed
SUN SYSTEM® HPS 150W GROW LIGHT FIXTURE - COMPLETE WITH LAMP INCLUDED
SUN SYSTEM® HPS 150W GROW LIGHT FIXTURE - COMPLETE WITH LAMP INCLUDED
GHBB® COCOTEK® NATURAL COCONUT COIR BRICK (24/CASE)
GHBB® COCOTEK® NATURAL COCONUT COIR BRICK (24/CASE)
SUN SYSTEM® SUPER SUN® 2 REFLECTOR - 6" AIR COOLED
SUN SYSTEM® SUPER SUN® 2 REFLECTOR - 6" AIR COOLED
ECOPLUS™ ECO-66 SUBMERSIBLE PUMP
ECOPLUS™ ECO-66 SUBMERSIBLE PUMP
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
GHBB® ECOGROWER®         17 GALLON RESERVOIR DRIP HYDROPONIC GROWING SYSTEM - 22.5" X 22.5" X 15.5"
GHBB® ECOGROWER® 17 GALLON RESERVOIR DRIP HYDROPONIC GROWING SYSTEM - 22.5" X 22.5" X 15.5"
EZ-CLONE SPRAYER RED (BAG OF 100)
EZ-CLONE SPRAYER RED (BAG OF 100)
DAISY CLONER™ 8 (8 SITES - 2" PLANT SITES) - COMPLETE
DAISY CLONER™ 8 (8 SITES - 2" PLANT SITES) - COMPLETE
OdorSok 4" x 12" 140 CFM
OdorSok 4" x 12" 140 CFM
ECOPLUS™ ECO-  396 SUBMERSIBLE & INLINE PUMP
ECOPLUS™ ECO- 396 SUBMERSIBLE & INLINE PUMP
SUPERTHRIVE™ 4 OZ (12/CASE)
SUPERTHRIVE™ 4 OZ (12/CASE)
VORTEX INLINE FAN 6" 449 CFM - 1 TO 11 EACH
VORTEX INLINE FAN 6" 449 CFM - 1 TO 11 EACH
GE Starcoat  F54 HO/54W/8656 - BLUE 54 WATT 6500K 4 FT T5 FLUORESCENT (30/CASE)
GE Starcoat F54 HO/54W/8656 - BLUE 54 WATT 6500K 4 FT T5 FLUORESCENT (30/CASE)
PREMIUM NURSERY POT   #1 - ID= BOTTOM - 5"  TOP - 6-1/8" DEPTH - 7"
PREMIUM NURSERY POT #1 - ID= BOTTOM - 5" TOP - 6-1/8" DEPTH - 7"
3 GALLON PLASTIC BUCKET 1.2 LBS (360/PER PALLET) EACH
3 GALLON PLASTIC BUCKET 1.2 LBS (360/PER PALLET) EACH
NEOPRENE INSERTS  2" FOR AMERICAN AG POWER CLONERS (Sheet of 25 inserts)
NEOPRENE INSERTS 2" FOR AMERICAN AG POWER CLONERS (Sheet of 25 inserts)
PURPLE MAXX 8 OZ
PURPLE MAXX 8 OZ
MESH POT / BUCKET LID 8" FITS SNUGGLY ON A 5 GALLON BUCKET
MESH POT / BUCKET LID 8" FITS SNUGGLY ON A 5 GALLON BUCKET
Retail Product Catalog
Retail Product Catalog
Bestsellers
01.Plastic Dura-Pot. 3.5 in
02.Airline Tubing 1ft
03.Vine Clips. 3/4 in
04.Round Net Pot. 2 in
05.Plastic Dura-Pot. 4 in
06.PREMIUM NURSERY POT #1 - ID= BOTTOM - 5" TOP - 6-1/8" DEPTH - 7"
07.EZ Clone Sprayer.
08.Plant Yo-Yo with Stopper, case of 12
09.Plastic Grow Bag. 1 Gallon
10.Gro Pro Thin Skins 1 Gallon (100/Cs)
11.NEOPRENE INSERTS 2" FOR AMERICAN AG POWER CLONERS (Sheet of 25 inserts)
12.Vinyl Tubing. 1/4 in
13.ROOT POTS - 5 GALLON 11" X 10.25" (10/CASE)
14.3IN HEAVY DUTY NET POT (220/CS)
15.ROOT POTS - 3 GALLON 9" X 8" (25/CASE)
Languages
English Deutsch Español
Currencies
Feeds
RSS 2.0
Google Sitemap
ROR Sitemap
ROR Feed
Ads
Ads
icon

Customer Service

 

Shopping Help

 

My Account

 

Tools & Resources

BizRate Customer Certified (GOLD) Site - HorticultureSource.com -Specialty Gardening Supply Reviews at Bizrate PriceGrabber User Ratings for Horticulture Source ShopWiki Certified Store
Official PayPal Seal
Credit Cards Accepted
HorticultureSource.com is an Upfront Merchant on TheFind. Click for info. Secured by RapidSSL
Secured by RapidSSL
100% Satisfaction Guaranteed  Proud Hydro for Hunger Participant
 Proud Participant
APO/FPO addresses are no problem.
International orders are always welcome!
UPSFedExUSPS OnTrac CalOver EstesR+LSouthEasternSAIA
Copyright © 2005 — 2014 Usisu, Inc.: Conditions of Use VISAMasterCardAmerican ExpressDiscoverDiners ClubJBCPayPal Money Order