Horticulture Source   Lowest prices guaranteed: We beat and match prices!

Shop 14,300+ 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 » 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 ++ (544)
* Lighting Systems ++ (1155)
! Nutrients & Supplements (3847)
* Composters & Compost Tea Brewing (34)
* Organic Gardening (466)
* Leaf Shines & Washes (105)
* Pest & Disease Control (502)
* Cloning & Propagation (360)
* Grow Systems ++ (649)
* Meters, Timers & Instruments ++ (695)
* Pots / Containers (882)
* Pumps, Irrigation & Watering Supplies ++ (1409)
* Grow Media (544)
* Plant Seeds (10)
* Environmental Control ++ (1952)
* Greenhouses (82)
* Grow Rooms / Tents (111)
* Reflective / B&W Films (120)
* Garden Accessories ++ (699)
* Hand Tools ++ (513)
* Gardening Books & DVDs (57)
* Growing Apparel (3)
* Aquaculture / Aquarium / Reef Tank / Marine ++ (1)
Manufacturers more
What's New? more
GH RapidStart - 1 LITER
eco-2793
GH RapidStart - 1 LITER
$89.56
Quick Find
Quick Find
Use keywords to find the product you are looking for.
Advanced Search

Information
Who else is online?
There are 32 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 261 to 280 (of 3847 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20 ...  [Next >>] 
 Sort by Popularity   Manufacturer   Product(s)   Model   Price-   Buy Now 
 SOS 5 Gal Beneficial Bacteria   HydroFarm   SOS 5 Gal Beneficial Bacteria 
STRATA International SOS 5 Gal Beneficial Bacteria (STSOS5GAL)SOS contains 19 species of naturally occurring beneficial bacteria. The microbes contained in SOS will promote stronger and faster root, stalk, flower and fruit development. It will also breakdown salts into bio available nutrients, remediate toxins present in soil and water, and speed the breakdown of dead organic mater... — Ships separately from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-STSOS5GAL   $242.96 
 Vitamax Plus, 23 lt   Grotek   Vitamax Plus, 23 lt 
Grotek Vitamax Plus, 23 lt (GTVMP23L)VitaMaxplus is a blooming supplement designed to encourage better root development, larger blooms, fruits, and flowers. Increases plant development at the blooming and fruiting stages and reduces plant stress. Great for transplanting and rooting. Contains essential primary and secondary nutrients necessary for optimal growth. Use in addition to ... — Ships separately from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-GTVMP23L   $241.79 
 Humboldt Roots - 0.5 Gal. - Humboldt Nutrients      Humboldt Roots - 0.5 Gal. - Humboldt Nutrients 
Humboldt Roots - 0.5 Gal. - Humboldt Nutrients (HR420)Humboldt Roots is a highly concentrated organic root stimulant that expands the root zone during the critical growth stage. The soul of every plant resides in the roots. Many gardeners neglect this fact and concentrate on the visual aspects of their plants. A large yield is directly related to a plant s metabolism rates, and pla... — Ships from Livermore, California USA Free Shipping when ordering $50 or more of qualifying items....more.
 dl-HR420   $241.25 
 Humboldt Nutrients Humboldt Roots 1/2 Gal      Humboldt Nutrients Humboldt Roots 1/2 Gal 
Humboldt Nutrients Humboldt Roots 1/2 Gal (HNHR420)Humboldt Roots is a highly concentrated organic root stimulant that expands the root zone during the critical growth stage. The soul of every plant resides in the roots. Many gardeners neglect this fact and concentrate on the visual aspects of their plants. A large yield is directly related to a plant’s metabolism rates, and plant ... — Ships from Livermore, California USA Free Shipping when ordering $50 or more of qualifying items....more.
 dl-HNHR420   $241.25 
 Humboldt Roots 1/2 gal   Humboldt Nutrients   Humboldt Roots 1/2 gal 
Humboldt Nutrients Humboldt Roots 1/2 gal (HNHR420)Humboldt Roots is a highly concentrated organic root stimulant that expands the root zone during the critical growth stage. The soul of every plant resides in the roots. Many gardeners neglect this fact and concentrate on the visual aspects of their plants. A large yield is directly related to a plant's metabolism rates, and plant ... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA Free Shipping when ordering $50 or more of qualifying items....more.
 hf-HNHR420   $241.25 
 TECHNAFLORA® ROOT 66™ 1-1-1 - 4L (4/CASE)   Technaflora   TECHNAFLORA® ROOT 66™ 1-1-1 - 4L (4/CASE) 
Technaflora Root 66 ROOT 66 4L (4/CS) Root 66 is an oganic-based nutrient blend that is comprised of seaweed extract, trace elements, and polysachridies. It promotes the exceptional development of a well balanced root structure, which is a vital component of overall plant growth and performance. At transplanting, Root 66 improves the establishment of seedlings and cuttings by... This item is sold individually. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA Free Shipping when ordering $50 or more of qualifying items....more.
 720693   $241.14 
 Xtreme Gardening Azos 8lb (2/Cs)   Xtreme Gardening   Xtreme Gardening Azos 8lb (2/Cs) 
Xtreme Gardening AzosXtreme Gardening Azos 8lb (2/Cs) (721268)Azos is a Nitrogen-fixing bacteria. It drives chlorophyll production in the foliage and keeps plants green and efficient. Azos also acts as a growth stimulant, catalyzing the release of a natural hormone (Idole-3 Acetic Acid) in plants. The naturally-released hormone increases root development and optimizes the harve... This item is sold individually. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA Free Shipping when ordering $50 or more of qualifying items....more.
 721268   $240.62 
 AI ROOTS ORGANICS SOUL SYNTHETICS BIG SWELL 2-5-3 - 2.5 GALLON (2/CASE)   Aurora Innovations   AI ROOTS ORGANICS SOUL SYNTHETICS BIG SWELL 2-5-3 - 2.5 GALLON (2/CASE) 
Roots Soul Synthetics Big Swell 2 - 5 - 3 SOUL SYNTHETICS BIG SWELL 2.5 GALLONS 2-5-3 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 re... This item is sold individually. — Ships separately from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 715340   $240.62 
 Xtreme Gardening Mykos WP 15 lbs.   Xtreme Gardening   Xtreme Gardening Mykos WP 15 lbs. 
Xtreme Gardening Mykos WP 15 lbs. (721230)Xtreme Gardening Mykos WP Mykos WP: Mycorrhizal Inoculant - Pure, Fresh, Alive is a Wettable Powder version of Mykos. Proprietary production method ensures spore-viability and superiority over conventional micronized mycorrhizae. Manufacturer's Product Information ... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA Free Shipping when ordering $50 or more of qualifying items....more.
 721230   $240.62 
 Cutting Edge Mag Amped 6 Gallon   Cutting Edge Solutions   Cutting Edge Mag Amped 6 Gallon 
Cutting Edge Mag Amped 6 Gallon (715755)Cutting Edge Solutions Mag Amped MAG-AMPED is a pure Magnesium product, combined with an organic facilitator that helps with uptake and overall solubility. Magnesium is the basis of chlorophyl production in plants, in turn chlorophyl is a major component in photosynthesis, essentially starting the process through collection of light energy... — LTL Shipping Required — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 715755   $240.00 
 Cutting Edge Plant Amp 6 Gallon   Cutting Edge Solutions   Cutting Edge Plant Amp 6 Gallon 
Cutting Edge Plant Amp 6 Gallon (715705)Cutting Edge Solutions Plant Amp PLANT AMP is a chelated Calcium product that also contains a proprietary organic plant “stimulating” ingredient. Calcium is the basis of cell wall development in a plant and the Calcium in PLANT AMP is extremely soluble, providing an easily utilized source of Calcium. PLANT AMP is 100% organic and can be us... — LTL Shipping Required — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 715705   $240.00 
 Dark Energy, 2.5 Gal   American Hydroponics   Dark Energy, 2.5 Gal 
American Hydroponics Dark Energy, 2.5 Gal (AH88090)Not for sale in Oregon Dark Energy is a select blend of L-amino acids, specifically chosen for each of their beneficial effects on plant growth. L-amino acids improve the absorption rate of your favorite fertilizers by chelating essential nutrients and making them more available to your plants. Dark Energy enhances the bloom stage ... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-AH88090   $240.00 
 Mag Amped 6 gal   Cutting Edge Solutions   Mag Amped 6 gal 
Cutting Edge Solutions Mag Amped 6 gal (CES2804)MAG-AMPED is a pure Magnesium product, combined with an organic surfactant that helps with uptake and overall solubility. Magnesium is essential for chlorophyll production in plants, in turn chlorophyll is the component in photosynthesis, essentially starting the process through collection of light energy. MAG-AMPED is a low molec... — 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-CES2804   $240.00 
 Nectar for the Gods Bloom Khaos 2.5 Gallon (2/Cs)   Oregon's Only Organics   Nectar for the Gods Bloom Khaos 2.5 Gallon (2/Cs) 
Nectar for the Gods - Bloom Khaos Bloom Khaos is Oregon’s Only’s secret weapon. This patent pending product aids in the production of whatever stage your plants are in. As a foliar feed, it promotes branching and flower sites. As a water in nutrient, it promotes the uptake of calcium into fruiting bodies creating stronger, thicker and heavier fruit. Don’t let the price fool you. T... This item is sold individually. — Ships separately from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA Free Shipping when ordering $50 or more of qualifying items....more.
 746220   $240.00 
 Nectar for the Gods Poseidonzyme 5 Gallon   Oregon's Only Organics   Nectar for the Gods Poseidonzyme 5 Gallon 
Nectar for the Gods - Poseidonzyme Nectar For The Gods’ liquid kelp is rich in natural forms of potassium and is extremely gentle on plants. Poseidon works great as a foliar and root feed alike and also as an immediate food source for compost tea microbes. Use some Poseidon to increase your plants’ metabolic potential and see what he can unlock.... — LTL Shipping Required — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 746278   $240.00 
 Plant Amp 6 gal   Cutting Edge Solutions   Plant Amp 6 gal 
Cutting Edge Solutions Plant Amp 6 gal (CES2505)PLANT AMP is a chelated calcium product that also contains a proprietary organic plant stimulating ingredient. Calcium is the basis of cell wall development in a plant and the chelated calcium in PLANT AMP is extremely soluble, providing an easily utilized source of calcium. PLANT AMP is 100% organic and can be used throughout the ent... — 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-CES2505   $240.00 
 Uncle John's Blend 6 gal   Cutting Edge Solutions   Uncle John's Blend 6 gal 
Cutting Edge Solutions Uncle John's Blend 6 gal (CES2605)UNCLE JOHN'S BLEND (UJB), is a complex potassium mixture used primarily to enhance a plant's metabolic rate, especially for flowering plants during the blooming stage. Potassium is a major component in photosynthetic processes, including the production of ATP (plant sugars) and the transfer of those sugars throughout the plan... — 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-CES2605   $240.00 
 Uncle John's Blend 6 Gallon   Cutting Edge Solutions   Uncle John's Blend 6 Gallon 
Uncle John's Blend 6 Gallon (715730)Cutting Edge Solutions Uncle John's Blend 0 - 0 - 2 UNCLE JOHN'S BLEND (UJB), is a complexed Potassium mixture that is used primarily to enhance a plant's metabolic rate, especially for owering plants during the blooming stage. Potassium is a major component in photosynthetic processes, including the production of ATP (plant sugars) and the t... — LTL Shipping Required — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 715730   $240.00 
 BioZeus Earth Juice 25 lbs   Earth Juice   BioZeus Earth Juice 25 lbs 
Hydro Organics / Earth Juice BioZeus Earth Juice 25 lbs (HOR00758)A Proprietary Blend of 10 Natural Occurring Beneficial Soil Microbes. A solution grade powder formula that may be applied by mixing directly into the medium or can be applied as a liquid feed by adding to water, plant teas or fertilizer solutions. Contains the following Non-Plant Food active ingredients; Azotobac... — Ships separately from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more.
 hf-HOR00758   $238.04 
 Big Up Powder 10 lb (Special Order)   Humboldt Nutrients   Big Up Powder 10 lb (Special Order) 
Humboldt Nutrients Big Up Powder 10 lb. (HNBUP425)Big Up Powder 0-33-23 A local legend in Humboldt County: Big Up Powder is a premium bloom booster. Humboldt Nutrients agronomists and chemists have developed Big Up Powder after years of research and local trials. Many ... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA Free Shipping when ordering $50 or more of qualifying items....more.
 hf-HNBUP425   $237.50 
Displaying 261 to 280 (of 3847 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20 ...  [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
PH600-AQ PH METER 10/CS
DO NOT BUY THIS! I don't usually write reviews calling an it ..
1 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

HydroFlow Rubber Grommet 3/8in (10/Bag)
HydroFlow Rubber Grommet 3/8in (10/Bag)
$3.08
$2.77
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)
BOTANICARE® LIQUID KARMA™ QUARTS (12/CASE)
BOTANICARE® LIQUID KARMA™ QUARTS (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)
FLORA BLOOM GALLON
FLORA BLOOM GALLON
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)
BOTANICARE® CAL-MAG PLUS QUART (12/CASE)
BOTANICARE® CAL-MAG PLUS QUART (12/CASE)
FOX FARM TIGER BLOOM® QUART (12/CASE)
FOX FARM TIGER BLOOM® 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)
SUPERTHRIVE™ GALLON (4/CASE)
SUPERTHRIVE™ GALLON (4/CASE)
GHBB® FLORA MICRO™ GALLON (4/CASE)
GHBB® FLORA MICRO™ GALLON (4/CASE)
Flora Bloom Quart
Flora Bloom Quart
FOX FARM OPEN SESAME® 1 LB (5- 45- 19)
FOX FARM OPEN SESAME® 1 LB (5- 45- 19)
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)
B'CUZZ® FOLIAR 1.0-0-0 - OMRI LISTED GALLON (4/CASE)
B'CUZZ® FOLIAR 1.0-0-0 - OMRI LISTED GALLON (4/CASE)
Bestsellers
01.SUPERTHRIVE™ 4 OZ (12/CASE)
02.FLORA BLOOM GALLON
03.SUPERTHRIVE™ 2 OZ (24/CASE)
04.GHBB® FLORA MICRO™ GALLON (4/CASE)
05.GHBB® FLORA GRO™ GALLON (4/CASE)
06.BOTANICARE® CAL-MAG PLUS QUART (12/CASE)
07.FOX FARM BIG BLOOM™ 0-4-0 QUART (12/CASE)
08.BOTANICARE® LIQUID KARMA™ QUARTS (12/CASE)
09.SUPERTHRIVE™ GALLON (4/CASE)
10.DUTCH MASTER™ GOLD SATURATOR (Formerly PENETRATOR GOLD) 0-0-0 - 34 OZ (12/CASE)
11.Flora Bloom Quart
12.GHBB® LIQUID KOOLBLOOM™ QT 12/CASE
13.FOX FARM TIGER BLOOM® QUART (12/CASE)
14.GOLD SILICA 1 L/34OZ
15.BOTANICARE® LIQUID KARMA™ GALLON (4/CASE)
Languages
English Deutsch Español
Currencies
Feeds
RSS 2.0
Google Sitemap
ROR Sitemap
ROR Feed
Ads
Ads

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
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