Horticulture Source » Discount Specialty Farm, Greenhouse, Garden & Hydroponics Supply Store » Nutrients & Supplements   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.
Categories
* Lamps / Tubes / Bulbs ++ (537)
* Lighting Systems ++ (1133)
! Nutrients & Supplements (4228)
* Composters & Compost Tea Brewing (35)
* Organic Gardening (456)
* Leaf Shines & Washes (127)
* Pest & Disease Control (517)
* Cloning & Propagation (384)
* Grow Systems ++ (648)
* Meters, Timers & Instruments ++ (710)
* Pots / Containers (924)
* Pumps, Irrigation & Watering Supplies ++ (1440)
* Grow Media (557)
* Plant Seeds (10)
* Environmental Control ++ (1966)
* Greenhouses (86)
* Grow Rooms / Tents (151)
* Reflective / B&W Films (119)
* Garden Accessories ++ (814)
* Hand Tools ++ (519)
* Gardening Books & DVDs (59)
* Growing Apparel (1)
Manufacturers more
What's New? more
Tappin' Roots Dynamic 11 lb 5 oz
722239
Tappin' Roots Dynamic 11 lb 5 oz
$73.20
Quick Find
Quick Find
Use keywords to find the product you are looking for.
Advanced Search

Information
Who else is online?
There are 28 guests online.
Frequent search words
Ads

What do we have here?
Nutrients & Supplements: Plant Food, Nutrients, Fertilizers & Supplements - Primary & Secondary, Essential & Minor Elements, Macronutrients, Micronutrients

Show: 
What do we have here?
Displaying 461 to 480 (of 4228 products) Result Pages: [<< Prev]  ... 21  22  23  24  25  26  27  28  29  30  31  32  33  34  35  36  37  38  39  40 ...  [Next >>] 
 Sort by Popularity-   Manufacturer   Product(s)   Model   Price   Buy Now 
 Sea Mag 16 oz.   Humboldt Nutrients   Sea Mag 16 oz. 
Humboldt Nutrients Sea Mag 16 oz. (HNS404)Sea Mag 1-3-4 Humboldt Nutrients Sea Mag was designed in Humboldt County to be a powerful additive for hydroponics and all growing mediums. Sea Mag may be utilized for any type of vegetable, flower or herb. Sea Mag is load... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-HNS404   $10.43 
 Sea Mag 5 gal.   Humboldt Nutrients   Sea Mag 5 gal. 
Humboldt Nutrients Sea Mag 5 gal. (HNS420)Sea Mag 1-3-4 Humboldt Nutrients Sea Mag was designed in Humboldt County to be a powerful additive for hydroponics and all growing mediums. Sea Mag may be utilized for any type of vegetable, flower or herb. Sea Mag is load... — LTL Shipping Required — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-HNS420   $226.51 
 SeaBlast 17-8-17 Grow, 20 lb   Earth Juice   SeaBlast 17-8-17 Grow, 20 lb 
Hydro Organics / Earth Juice SeaBlast 17-8-17 Grow, 20 lb (HOH35084)Water-Soluble Plant Food with seaweed, marinebird fossilized guano, steamed bone meal and micronutrients. SeaBlast GrowTM is a water-soluble plant food that will promote vigorous vegetative growth. Ideal for both foliage plants and for the growth phase of flowering and fruiting plants. For use with planting mixes, ... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-HOH35084   $84.74 
 SeaBlast 3-26-22 Bloom, 40 lb   Earth Juice   SeaBlast 3-26-22 Bloom, 40 lb 
Hydro Organics / Earth Juice SeaBlast 3-26-22 Bloom, 40 lb (HOH35108)Water-Soluble Plant Food with seaweed, marinebird fossilized guano, steamed bone meal and micronutrients. SeaBlast BloomTM is a water-soluble plant food formulated for flowering and fruiting plants. Specifically designed to encourage bountiful yields and the production of essential oils, resins and fragrances of f... — Ships separately from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-HOH35108   $131.73 
 Snow Storm Ultra 2.5 Gal.   Humboldt County's Own   Snow Storm Ultra 2.5 Gal. 
Emerald Triangle Snow Storm Ultra 2.5 Gal. (ETSS2.5GAL)Buy local! Humboldt County, California, is home to some of the most dedicated and innovative hydroponics suppliers in the world. Snow Storm Ultra, created by Emerald Triangle, is a potassium supplement which assists with essential oil production. If you're familiar with other products in the Emerald Triangle line, such as Snow ... — Ships separately from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-ETSS2.5GAL   $184.20 
 Snow Storm Ultra 32oz   Humboldt County's Own   Snow Storm Ultra 32oz 
Emerald Triangle Snow Storm Ultra 32oz (ETSS32OZ)Buy local! Humboldt County, California, is home to some of the most dedicated and innovative hydroponics suppliers in the world. Snow Storm Ultra, created by Emerald Triangle, is a potassium supplement which assists with essential oil production. If you're familiar with other products in the Emerald Triangle line, such as Snow Storm ... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-ETSS32OZ   $32.09 
 Snow Storm Ultra 8 oz   Humboldt County's Own   Snow Storm Ultra 8 oz 
Emerald Triangle Snow Storm Ultra 8 oz (ETSS8OZ)Buy local! Humboldt County, California, is home to some of the most dedicated and innovative hydroponics suppliers in the world. Snow Storm Ultra, created by Emerald Triangle, is a potassium supplement which assists with essential oil production. If you're familiar with other products in the Emerald Triangle line, such as Snow Storm a... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-ETSS8OZ   $12.78 
 Solo Tek Bloom, 1L   Grotek   Solo Tek Bloom, 1L 
Grotek Solo Tek Bloom, 1L (GT10104364) SOLO-TEK by Grotek is a complete, soil/soilless, revolutionary organic-based nutrient system. It is a scientifically-designed one-part nutrient system, where nutrients and supplements from different organic/inorganic sources are combined to provide an ideal nutrient environment and optimum plant production. SOLO-TEK is comprised of a minumum ... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-GT10104364   $19.32 
 Solo Tek Grow 1L   Grotek   Solo Tek Grow 1L 
Grotek Solo Tek Grow 1L (GT10104363) SOLO-TEK by Grotek is a complete, soil/soilless, revolutionary organic-based nutrient system. It is a scientifically-designed one-part nutrient system, where nutrients and supplements from different organic/inorganic sources are combined to provide an ideal nutrient environment and optimum plant production. SOLO-TEK is comprised of a minumum of... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-GT10104363   $19.32 
 Soul Synthetics Big Swell Gal   Aurora Innovations   Soul Synthetics Big Swell Gal 
Soul Synthetics Soul Synthetics Big Swell Gal (ROSSBSG)Soul Synthetics Big Swell Soul Synthetics Big Swell bloom booster has been designed specifically to increase flower size, vigor, density, and quality. Our extensive hands-on research has resulted in a distinctive formula of botanical extracts, amino acids, and versatile carbohydrates combined with a specific ratio of readily av... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-ROSSBSG   $99.83 
 Sour-Dee Quart   Cutting Edge Solutions   Sour-Dee Quart 
Cutting Edge Solutions Sour-Dee Quart (CES3301)SourDee provides organic carbohydrates and electrolyes to stimulate amino acid production and provide a superior carbohydrate source. Contains a polysaccharides folded into a matrix fortified with an emulsion of trace minerals acting as a compensator as lowering sunlight levels at the end of the season precipitate drops in photo sy... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-CES3301   $14.52 
 Soy Fulvic Acid, 1 qt   Earth Juice   Soy Fulvic Acid, 1 qt 
Hydro Organics / Earth Juice Soy Fulvic Acid, 1 qt (HOF03812)Fulvic Acid is far superior in action to humic acid due to its low molecular weight, which enables it to go through the cell membranes of roots and leaves. Where humic acid is soluble in alkaline media only, Fulvic Acid is soluble in all media. Fulvic Acid will power up the entire plant, from the roots to the growing tips... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-HOF03812   $13.02 
 Sparkle, 32 oz   NPK Industries   Sparkle, 32 oz 
SPARKLE is designed to assist all Nutrient Regimens and Feeding Programs. SPARKLE works in conjunction with Nutrient Regimens and Feeding Programs during the latter stages of flowering and fruit development.... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-OG2530   $65.86 
 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 Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-HNHSK002   $19.97 
 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 Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-HNHSK000   $8.06 
 Structural Integrity 1 gal   Humboldt Nutrients   Structural Integrity 1 gal 
Humboldt Nutrients Structural Integrity 1 gal (HNSI1GAL)S.I. (Structural Integrity) is the newest addition to the Humboldt Nutrients family of products. This silicate additive is formulated to supply your root zone with the silicates your plants need to build strong, thick cell walls and cellular membranes. When your stalks are stronger your plant has the ability to hold heavie... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-HNSI1GAL   $56.62 
 Structural Integrity 16 oz   Humboldt Nutrients   Structural Integrity 16 oz 
Humboldt Nutrients Structural Integrity 16 oz (HNSI16OZ)S.I. (Structural Integrity) is the newest addition to the Humboldt Nutrients family of products. This silicate additive is formulated to supply your root zone with the silicates your plants need to build strong, thick cell walls and cellular membranes. When your stalks are stronger your plant has the ability to hold he... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-HNSI16OZ   $9.44 
 SubCulture B 300g Jar   General Hydroponics   SubCulture B 300g Jar 
General Hydroponics SubCulture B 300g Jar (GH1584)SubCulture®-B Bacterial Root Inoculant• Selected microbes are cultured to live in high salt environments• Biologically aids nutrient absorption SubCulture-B is a probiotic inoculum of beneficial microorganisms that will help increase the vitality and yield in all plants. Whether in soil or hydroponics, General Hydropon... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-GH1584   $49.99 
 SubCulture B 75g Jar   General Hydroponics   SubCulture B 75g Jar 
Available Monday 11 May, 2015
General Hydroponics SubCulture B 75g Jar (GH1582)SubCulture®-B Bacterial Root Inoculant• Selected microbes are cultured to live in high salt environments• Biologically aids nutrient absorption SubCulture-B is a probiotic inoculum of beneficial microorganisms that will help increase the vitality and yield in all plants. Whether in soil or hydroponics, General Hydrop... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-GH1582   $15.46 
 SubCulture M 150g Jar   General Hydroponics   SubCulture M 150g Jar 
General Hydroponics SubCulture M 150g Jar (GH1587)SubCulture®-MMycorrhizal Root Inoculant• Builds strong root systems• Greatly increases root mass to enhance growth and yield• Helps plants absorb nutrients and water more efficiently SubCulture-M is a Mycorrhizal Root Inoculant and contains a wide diversity of endo and ecto Mycorrhizal fungi that colonize plant r... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-GH1587   $15.13 
Displaying 461 to 480 (of 4228 products) Result Pages: [<< Prev]  ... 21  22  23  24  25  26  27  28  29  30  31  32  33  34  35  36  37  38  39  40 ...  [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

MAX FX GROW 5 LT/1.32GAL (2/CASE)
MAX FX GROW 5 LT/1.32GAL (2/CASE)
$73.77
$57.20
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)
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)
DUTCH MASTER™ GOLD SATURATOR (Formerly PENETRATOR GOLD) 0-0-0 - 34 OZ (12/CASE)
DUTCH MASTER™ GOLD SATURATOR (Formerly PENETRATOR GOLD) 0-0-0 - 34 OZ (12/CASE)
BOTANICARE® LIQUID KARMA™ QUARTS (12/CASE)
BOTANICARE® LIQUID KARMA™ QUARTS (12/CASE)
TECHNAFLORA® RECIPE FOR SUCCESS STARTER KIT (10/CASE)
TECHNAFLORA® RECIPE FOR SUCCESS STARTER KIT (10/CASE)
SIPCO® HYGROZYME™ - 1 LITER (12/CASE)
SIPCO® HYGROZYME™ - 1 LITER (12/CASE)
FLORA BLOOM GALLON
FLORA BLOOM GALLON
BOTANICARE® CAL-MAG PLUS QUART (12/CASE)
BOTANICARE® CAL-MAG PLUS QUART (12/CASE)
FOX FARM GROW BIG® QUART (12/CASE)
FOX FARM GROW BIG® QUART (12/CASE)
GHBB® FLORA GRO™ GALLON (4/CASE)
GHBB® FLORA GRO™ GALLON (4/CASE)
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)
SUPERTHRIVE™ GALLON (4/CASE)
SUPERTHRIVE™ GALLON (4/CASE)
GHBB® FLORA MICRO™ GALLON (4/CASE)
GHBB® FLORA MICRO™ GALLON (4/CASE)
FOX FARM OPEN SESAME® 1 LB (5- 45- 19)
FOX FARM OPEN SESAME® 1 LB (5- 45- 19)
Flora Bloom Quart
Flora Bloom Quart
FOX FARM BIG BLOOM™ 0-4-0 GALLON (4/CASE)
FOX FARM BIG BLOOM™ 0-4-0 GALLON (4/CASE)
SUPERTHRIVE™ 2 OZ (24/CASE)
SUPERTHRIVE™ 2 OZ (24/CASE)
TECHNAFLORA® SOLUBLE SEAWEED EXTRACT 1-1-16 - OMRI LISTED 225G. (12/CASE)
TECHNAFLORA® SOLUBLE SEAWEED EXTRACT 1-1-16 - OMRI LISTED 225G. (12/CASE)
Bestsellers
01.Primal Harvest Powder 0-12-1, 50lbs.
02.Rainbow Mix Bloom 40lb
03.Nutrient Trio-Soil Formula, 3 qts
04.Primal Harvest 2lb (16/cs)
05.Dyna-Gro Pro-TeKt 1 gal
06.Magnum, 2.5 gal
07.White Widow 1lb
08.Orca 16 Oz.
09.B'Cuzz Root, 32 oz
10.Go Box Starter Kit
11.SUPERthrive, 1 qt
12.B'Cuzz Blossom Builder Tabzz, box of 18 Tabzz
13.Oregonism XL 6lbs. Endo/Ecto-Mycorrhizae
14.Tiger Bloom Liquid Concentrate 1 pt
15.Biomin Calcium, 1 qt
Languages
English Deutsch Español
Currencies
Feeds
RSS 2.0
Google Sitemap
ROR Sitemap
ROR Feed
Ads
Ads
Frame It All - Simple Modular Gardens

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
Merchant Services
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 — 2015 Usisu, Inc.: Conditions of Use VISAMasterCardAmerican ExpressDiscoverDiners ClubJBCPayPal Money Order