Horticulture Source » Gardening & Hydroponics 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.
Celebrating our 11th Year of Service to Gardeners in 91 Countries! Thank you for your business!
Categories
* Lamps / Tubes / Bulbs ++ (538)
* Lighting Systems ++ (1169)
! Nutrients & Supplements (4248)
* Composters & Compost Tea Brewing (43)
* Organic Gardening (539)
* Leaf Shines & Washes (97)
* Pest & Disease Control (574)
* Cloning & Propagation (449)
* Grow Systems ++ (658)
* Meters, Timers & Instruments ++ (645)
* Pots / Containers (1026)
* Pumps, Irrigation & Watering Supplies ++ (1673)
* Grow Media (537)
* Plant Seeds (60)
* Environmental Control ++ (1957)
* Greenhouses (89)
* Grow Rooms / Tents (166)
* Reflective / B&W Films (141)
* Garden Accessories ++ (1007)
* Hand Tools ++ (527)
* Gardening Books & DVDs (58)
* Growing Apparel & Bags (98)
Manufacturers more
What's New? more
Supreme Growers Soil Blast, 1 lbs
hf-SP30030
Supreme Growers Soil Blast, 1 lbs
$48.17
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 searches
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 181 to 200 (of 4248 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 
 Monster Bloom, 10kg   Grotek   Monster Bloom, 10kg 
Grotek Monster Bloom, 10kg (GTMB10)Monster Bloom is designed to increase the plant's ability to flower. It increases the essential oil content in herbs and speeds up the development of flower bud set, putting the entire flowering phase on the fast track. Monster Bloom adds size and mass to flowers in the budding and flowering cycles. Finish using during the last two weeks of the fl... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-GTMB10   $453.85 
 Rock Resinator Heavy Yields 20L   HydroFarm   Rock Resinator Heavy Yields 20L 
Rock Nutrients Rock Resinator Heavy Yields 20L (GGRR20L)Rock Resinator uses an extensive and complex combination of phosphorus and potassium designed to pack on extra size and weight. Rock Resinator contains citric metabolites to accelerate the kreb cycle to deliver consistent results in flower size, quantity and quality that has no rivals. Using the finest and most refined nat... — LTL Shipping Required. — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-GGRR20L   $452.60 
 Rock SuperCharge Root Tonic 20L   HydroFarm   Rock SuperCharge Root Tonic 20L 
Rock Nutrients Rock SuperCharge Root Tonic 20L (GGRS20L)Rock SuperCharge incorporates years of research into keeping roots healthy and strong. It will help develop a thick, white root mass, helping overcome several root problems that growers may face. Rock SuperCharge can be used to help improve average yields, as well as growers who struggle to get the most out of their growth... — LTL Shipping Required. — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-GGRS20L   $452.60 
 GH Liquid KoolBloom 15 Gallon   General Hydroponics   GH Liquid KoolBloom 15 Gallon 
Liquid KoolBloom 0-10-10GH Liquid KoolBloom 15 Gallon (732542)Liquid KoolBloom™ is a is a bulking agent that goes way beyond other bloom boosters. Enriched with stress reducing vitamins and nutrient transporting acids, it promotes heavy production of essential oils, fantastic flavors, and increases fruiting and flower development. Liquid KoolBloom™ should be used at the start of th... — LTL Shipping Required. — Ships separately from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 732542   $446.04 
 Hygrozyme, 20 lt   Sipco Industries   Hygrozyme, 20 lt 
Sipco Hygrozyme, 20 lt (SIPHYGRO20L)Premiere horticultural enzymatic formula. Enzymes are natural and environmentally friendly. They are catalysts and speed up chemical reactions. Enzymes in a growing medium eat dead protein removing areas where illness develops. Through this breakdown process plants are better able to obtain nutrients. More nutrients, less attacks, allowing plants... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA. Free Shipping when ordering $50 or more of qualifying items....more info.
 hf-SIPHYGRO20L   $443.21 
 Liquid Koolbloom 15 Gal   General Hydroponics   Liquid Koolbloom 15 Gal 
General Hydroponics Liquid Koolbloom 15 Gal (GH1457)Liquid KoolBloom • Forces abundant flowering. • Boosts production of essential oils and fragrances. • Increases size and weight of fruits and flowers. • Precisely formulated to enhance the performance of all types of nutrients. Liquid KoolBloom is a is a bulking agent that goes way beyond other bloom bo... — LTL Shipping Required. — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-GH1457   $442.22 
 Thrive Alive B1 Red, 20 lt   Technaflora   Thrive Alive B1 Red, 20 lt 
Technaflora Thrive Alive B1 Red, 20 lt (TFTARD20L)Thrive Alive is a power-packed preventative and restorative general purpose plant tonic. Thrive Alive stimulates rapid and lush vegetative growth and will ensure the success of floral crops by promoting profuse flowering during blossoming. Its professionally balanced formulation contains vitamins and nutrients, which are cultured in... — Ships separately from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-TFTARD20L   $435.71 
 Humboldt Roots Gallon   Humboldt Nutrients   Humboldt Roots Gallon 
Humboldt Roots is a highly concentrated organic root stimulant that expands the root zone during the critical growth stage. A large yield is directly related to a plant's metabolic rate. The plant metabolism rates are directly related to the root zone's capabilities to uptake nutrients and fertilizers. Humboldt Roots was specifically designed to expand the root zone which results i... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 723127   $429.40 
 Elite Bloom - 40 lb   Flying Skull Plant Products   Elite Bloom - 40 lb 
The Flying Skull plant food line includes Elite Micro, Elite Grow, Elite Bloom, Z7, Essential Flora Extract, On Schedule, Elite pH Up and Elite pH Down.The three basic components are used in combination. Elite Micro, Elite Grow and Elite Bloom are used in the first two weeks of plant growth. Then, Elite Bloom is taken away and only Elite Micro and Elite Grow are used throughout veg... — Ships separately from Portland, Oregon USA....more info.
 FS224   $422.10 
 Elite Micro - 40 lb   Flying Skull Plant Products   Elite Micro - 40 lb 
The Flying Skull plant food line includes Elite Micro, Elite Grow, Elite Bloom, Z7, Essential Flora Extract, On Schedule, Elite pH Up and Elite pH Down.The three basic components are used in combination. Elite Micro, Elite Grow and Elite Bloom are used in the first two weeks of plant growth. Then, Elite Bloom is taken away and only Elite Micro and Elite Grow are used throughout veg... — Ships separately from Portland, Oregon USA....more info.
 FS204   $422.10 
 Cutting Edge Sour Dee 15 Gallon   Cutting Edge Solutions   Cutting Edge Sour Dee 15 Gallon 
Sour-Dee provides organic carbohydrate and electrolytes to stimulate amino acid production and adds a carbohydrates at the end of the flowering. It contains a low molecular weight sugar source with an emulsion of trace minerals. This combination acts as a compensator as lowering light levels at the end of flowering precipitate drops in photosynthetic rate and ATP production. These ... — LTL Shipping Required. — Ships separately from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 715867   $420.48 
 Dark Energy, 5 Gal   American Hydroponics   Dark Energy, 5 Gal 
American Hydroponics Dark Energy, 5 Gal (AH88091)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 of any plant by stimu... — Ships separately from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-AH88091   $419.95 
 Humboldt Roots - 1 Gal. - Humboldt Nutrients      Humboldt Roots - 1 Gal. - Humboldt Nutrients 
Humboldt Roots - 1 Gal. - Humboldt Nutrients (HR425)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 DL: Livermore, California USA....more info.
 dl-HR425   $416.50 
 Big Up Powder - 20 lb. - Humboldt Nutrients      Big Up Powder - 20 lb. - Humboldt Nutrients 
Big Up Powder - 20 lb. - Humboldt Nutrients 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 similar products contain artificial coloring and dyes, but Big Up Powder is free of all of these unnecessary ingredients. Big Up Powder is d... — Ships separately from DL: Livermore, California USA....more info.
 dl-BUP430   $416.50 
 BioThrive Grow 15 Gal   General Hydroponics   BioThrive Grow 15 Gal 
General Hydroponics BioThrive Grow 15 Gal (GH5126)BioThrive Grow provides plants with essential nutrients for roots, stems, and foliage. Concieved from plant and mineral extracts, the pure and natural vegan formulation encourages beneficial microbial activity in the root zone. BioThrive Grow is ideal for all types of plants and can be used with garden soils as well as potti... — LTL Shipping Required. — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-GH5126   $411.09 
 CaMg+ 15 Gal   General Hydroponics   CaMg+ 15 Gal 
General Organics CaMg+ 15 Gal (GH5316)CaMg+ helps optimize plant nutrition resulting in enhanced growth and healthier flowers and fruits. CaMg+ is a blend of fermented calcium and magnesium complexed with organic acids and sugar chelates. These low molecular weight acids may facilitate calcium and Magnesium transport into the plant. General Organics provides gardeners with a c... — LTL Shipping Required. — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-GH5316   $405.30 
 Humboldt Roots 1 gal.   Humboldt Nutrients   Humboldt Roots 1 gal. 
Humboldt Nutrients Humboldt Roots 1 gal. (HNHR425)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 HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HNHR425   $405.30 
 Big Up Powder 20 lb.   Humboldt Nutrients   Big Up Powder 20 lb. 
Humboldt Nutrients Big Up Powder 20 lb. (HNBUP430)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 HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HNBUP430   $405.30 
 Emerald Harvest Root Wizard 6 Gal/22.7 L (1/Cs) (Not for sale in OR, FL)   Emerald Harvest Co.   Emerald Harvest Root Wizard 6 Gal/22.7 L (1/Cs) (Not for sale in OR, FL) 
The beneficial bacteria in this microbial inoculant colonize the rhizosphere of your crops. While soil gardens naturally contain myriad microbes that enhance root vigor and boost nutrient uptake, Root Wizard® supplies your soilless garden, which otherwise lacks this microbial life, with bacteria crucial to root function. Designed to increase the bioactivity that bulks up root mass,... This item is sold individually. — LTL Shipping Required. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 723972   $402.96 
 Vermifridge   Vermicorp Organics   Vermifridge 
Vermicrop Vermifridge (VCFRIDGE)Use this cooler to store your Vermi T that you create for retail sales. The refrigeration of the fresh extracted solution, Vermi T will maintain 100% viability for 7 to 10days. Comes with Vermicrop Organics graphic signs. Manufacturer's Product Information ... — LTL Shipping Required. — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-VCFRIDGE   $402.50 
Displaying 181 to 200 (of 4248 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!
 Get Quote by adding products 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


Specials more
Cutting Edge Bulletproof SI 6 Gallon
Cutting Edge Bulletproof SI 6 Gallon
$163.52
$145.60
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
SIPCO® HYGROZYME™ - 1 LITER (12/CASE)
SIPCO® HYGROZYME™ - 1 LITER (12/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)
GHBB® FLORA GRO™ GALLON (4/CASE)
GHBB® FLORA GRO™ GALLON (4/CASE)
GH Flora Series Performance Pack
GH Flora Series Performance Pack
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)
EARTH JUICE™ GROW 2-1-1 Organic - QUART (12/CASE)
EARTH JUICE™ GROW 2-1-1 Organic - QUART (12/CASE)
GHBB® FLORA MICRO™ GALLON (4/CASE)
GHBB® FLORA MICRO™ GALLON (4/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.SUPERTHRIVE™ 4 OZ (12/CASE)
02.FLORA BLOOM GALLON
03.SUPERTHRIVE™ 2 OZ (24/CASE)
04.GHBB® FLORA MICRO™ GALLON (4/CASE)
05.Botanicare Cal-Mag Plus Quart (12/Cs)
06.GHBB® FLORA GRO™ GALLON (4/CASE)
07.FOX FARM BIG BLOOM™ 0-4-0 QUART (12/CASE)
08.BOTANICARE® LIQUID KARMA™ QUARTS (12/CASE)
09.Flora Bloom Quart
10.SUPERTHRIVE™ GALLON (4/CASE)
11.GHBB® LIQUID KOOLBLOOM™ QT 12/CASE
12.GHBB® FLORA GRO™ QUART
13.FOX FARM TIGER BLOOM® QUART (12/CASE)
14.BOTANICARE® LIQUID KARMA™ GALLON (4/CASE)
15.FOX FARM BIG BLOOM™ 0-4-0 GALLON (4/CASE)
Languages
English Deutsch Español
Currencies
Feeds
RSS 2.0
Google Sitemap
ROR Sitemap
ROR Feed
Ads
Amazon Ad
Matched Content
Ads

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
APO/FPO addresses are no problem.
International orders are always welcome!
UPSFedExUSPS OnTrac CalOver EstesR+LSouthEasternSAIA
Copyright © 2005 — 2017 Usisu, Inc.: Conditions of Use VISAMasterCardAmerican ExpressDiscoverDiners ClubJBCPayPal Money Order