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 ++ (1142)
! Nutrients & Supplements (4163)
* Composters & Compost Tea Brewing (37)
* Organic Gardening (459)
* Leaf Shines & Washes (128)
* Pest & Disease Control (521)
* Cloning & Propagation (375)
* Grow Systems ++ (645)
* Meters, Timers & Instruments ++ (698)
* Pots / Containers (885)
* Pumps, Irrigation & Watering Supplies ++ (1454)
* Grow Media (535)
* Plant Seeds (10)
* Environmental Control ++ (1945)
* Greenhouses (84)
* Grow Rooms / Tents (146)
* Reflective / B&W Films (120)
* Garden Accessories ++ (767)
* Hand Tools ++ (510)
* Gardening Books & DVDs (56)
* Growing Apparel (3)
Manufacturers more
What's New? more
Down To Earth Neem Seed Meal - 40 lb
723740
Down To Earth Neem Seed Meal - 40 lb
$59.50
Quick Find
Quick Find
Use keywords to find the product you are looking for.
Advanced Search

Information
Who else is online?
There are 36 guests and 
3 logged in customers 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 301 to 320 (of 4163 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 
 DeuceDeuce - 5 Gal. - Humboldt Nutrients      DeuceDeuce - 5 Gal. - Humboldt Nutrients 
DeuceDeuce - 5 Gal. - Humboldt Nutrients (HNDD420)DeuceDeuce is a potassium additive derived from sulfate of potash and Ascophyllum nodosum seaweed. Potassium aids plants in enzymatic function, protein and cellulose formation, efficient photosynthesis and rapid transportation of carbohydrates and starches throughout a plant s vascular system. Providing high levels of potassium to y... — LTL Shipping Required — Ships from DL: Livermore, California USA...more info.
 dl-HNDD420   $194.68 
 Dutch Master Gold Flower Part A - 5 liter      Dutch Master Gold Flower Part A - 5 liter 
GOLD NUTRIENTS unique ionic technology delivers massive amounts of yield boosting nutrition to your plants. By providing a unique ionic charge to the mineral elements contained within GOLD NUTRIENT we unlock nature’s awesome power! The special Ionic charge allows mineral elements to enter via any channel - all at the same time! Designed specifically for Hydro, Soil and Coco, GOLD N... — Ships from Portland, Oregon USA...more info.
 HY638   $33.68 
 Dutch Master Gold Flower Part B - 5 liter      Dutch Master Gold Flower Part B - 5 liter 
GOLD NUTRIENTS unique ionic technology delivers massive amounts of yield boosting nutrition to your plants. By providing a unique ionic charge to the mineral elements contained within GOLD NUTRIENT we unlock nature’s awesome power! The special Ionic charge allows mineral elements to enter via any channel - all at the same time! Designed specifically for Hydro, Soil and Coco, GOLD N... — Ships from Portland, Oregon USA...more info.
 HY639   $33.68 
 Dutch Master Gold Grow Part A - 5 liter      Dutch Master Gold Grow Part A - 5 liter 
GOLD nutrient delivers beyond all expectations. During Dutch Masters extensive field trials, GOLD repeatedly produced a 25 to 40% greater yield than the leading brands from North America and Europe! GOLD will absolutely deliver you the biggest yield you have ever experienced! Meticulously crafted with rare earth elements, plant extracts and finally incorporated with a revolutionary... — Ships from Portland, Oregon USA...more info.
 HY632   $33.68 
 Earth Juice Hi-Brix - 1 Gallon      Earth Juice Hi-Brix - 1 Gallon 
This rare and highly prized molasses is a natural source of carbohydrates (sugars) and plant nutrients that has been specially tailored into liquid formulation for indoor and outdoor plants in soil and hydroponics. It can be used in conjunction with a variety of fertilizers and highly recommended for the brewing of plant teas.... — Ships from Portland, Oregon USA...more info.
 FE516   $14.03 
 ECO-NEREO KELP 5 GALLON      ECO-NEREO KELP 5 GALLON 
Eco-Nutrients Eco-Nereo Kelp Eco-Nereo is a biologically active liquid auxiliary soil and plant substance applied to soil, plants, or seeds for the purpose of soil correction and to improve germination, growth, yield, product quality, reproduction, flavor, color, or other desirable plant characteristics. This product is used primarily as a foliar. It enhances plants developme... — Ships separately from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 723830   $97.58 
 ECO-NEREO KELP QUARTS 12/CS      ECO-NEREO KELP QUARTS 12/CS 
Eco-Nutrients Eco-Nereo Kelp Eco-Nereo is a biologically active liquid auxiliary soil and plant substance applied to soil, plants, or seeds for the purpose of soil correction and to improve germination, growth, yield, product quality, reproduction, flavor, color, or other desirable plant characteristics. This product is used primarily as a foliar. It enhances plants developme... This item is sold individually. — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 723820   $14.27 
 Equilibrium - 1 Gal. - Humboldt Nutrients      Equilibrium - 1 Gal. - Humboldt Nutrients 
Equilibrium - 1 Gal. - Humboldt Nutrients (EQ410)If you want to reap a large bountiful harvest your plants must receive the correct ratio of Calcium to Magnesium throughout their life cycle; but for that harvest to be flavorful, sweet and aromatic, one must ensure that the Ca and Mg you are feeding your garden is derived from high quality source materials. With Equilibrium Natural... — Ships from DL: Livermore, California USA...more info.
 dl-EQ410   $46.50 
 Equilibrium - 2.5 Gal. - Humboldt Nutrients      Equilibrium - 2.5 Gal. - Humboldt Nutrients 
Equilibrium - 2.5 Gal. - Humboldt Nutrients (EQ415)If you want to reap a large bountiful harvest your plants must receive the correct ratio of Calcium to Magnesium throughout their life cycle; but for that harvest to be flavorful, sweet and aromatic, one must ensure that the Ca and Mg you are feeding your garden is derived from high quality source materials. With Equilibrium Natur... — Ships separately from DL: Livermore, California USA...more info.
 dl-EQ415   $110.43 
 Equilibrium - 5 Gal. - Humboldt Nutrients      Equilibrium - 5 Gal. - Humboldt Nutrients 
Equilibrium - 5 Gal. - Humboldt Nutrients (EQ420)If you want to reap a large bountiful harvest your plants must receive the correct ratio of Calcium to Magnesium throughout their life cycle; but for that harvest to be flavorful, sweet and aromatic, one must ensure that the Ca and Mg you are feeding your garden is derived from high quality source materials. With Equilibrium Natural... — LTL Shipping Required — Ships from DL: Livermore, California USA...more info.
 dl-EQ420   $209.83 
 Fish-Mix - 5 Liter      Fish-Mix - 5 Liter 
6-2-4 Fish-Mix is an OMRI listed infusion of certified organic North Sea fish emulsion and bouillon with horticultural grade organic Dutch sugar beet extract. It activates the microbial activity in the soil, making it “fatter” and “richer” while providing plants with naturally occurring minerals. It is mild enough to be used in the first stages of a plant’s life or sprayed on a pl... — Ships from Portland, Oregon USA...more info.
 FE823   $79.00 
 FlavorFul - 1 Gal. - Humboldt Nutrients      FlavorFul - 1 Gal. - Humboldt Nutrients 
FlavorFul - 1 Gal. - Humboldt Nutrients (HNF410)FlavorFul is a strong solution of 8% refined Humic acid concentrate, a little known and highly useful additive. The majority of refined Humic acid formulas on the market are .01% concentration. The clear appearance of these watered down derivatives is an indication of the low concentration. FlavorFul is 8% refined Humic acid with a da... — Ships from DL: Livermore, California USA...more info.
 dl-HNF410   $36.27 
 FlavorFul - 15 Gal. - Humboldt Nutrients      FlavorFul - 15 Gal. - Humboldt Nutrients 
FlavorFul - 15 Gal. - Humboldt Nutrients FlavorFul is a strong solution of 8% refined Humic acid concentrate, a little known and highly useful additive. The majority of refined Humic acid formulas on the market are .01% concentration. The clear appearance of these watered down derivatives is an indication of the low concentration. FlavorFul is 8% refined Humic acid with a dark rich... — LTL Shipping Required — Ships from DL: Livermore, California USA...more info.
 dl-HNF425   $391.72 
 FlavorFul - 16 oz. - Humboldt Nutrients      FlavorFul - 16 oz. - Humboldt Nutrients 
FlavorFul - 16 oz. - Humboldt Nutrients (HNF404)FlavorFul is a strong solution of 8% refined Humic acid concentrate, a little known and highly useful additive. The majority of refined Humic acid formulas on the market are .01% concentration. The clear appearance of these watered down derivatives is an indication of the low concentration. FlavorFul is 8% refined Humic acid with a da... — Ships from DL: Livermore, California USA...more info.
 dl-HNF404   $6.25 
 FlavorFul - 2.5 Gal. - Humboldt Nutrients      FlavorFul - 2.5 Gal. - Humboldt Nutrients 
FlavorFul - 2.5 Gal. - Humboldt Nutrients (HNF415)FlavorFul is a strong solution of 8% refined Humic acid concentrate, a little known and highly useful additive. The majority of refined Humic acid formulas on the market are .01% concentration. The clear appearance of these watered down derivatives is an indication of the low concentration. FlavorFul is 8% refined Humic acid with a ... — Ships separately from DL: Livermore, California USA...more info.
 dl-HNF415   $83.43 
 FlavorFul - 32 oz. - Humboldt Nutrients      FlavorFul - 32 oz. - Humboldt Nutrients 
FlavorFul - 32 oz. - Humboldt Nutrients (HNF405)FlavorFul is a strong solution of 8% refined Humic acid concentrate, a little known and highly useful additive. The majority of refined Humic acid formulas on the market are .01% concentration. The clear appearance of these watered down derivatives is an indication of the low concentration. FlavorFul is 8% refined Humic acid with a da... — Ships from DL: Livermore, California USA...more info.
 dl-HNF405   $10.89 
 General Hydroponics Rapidstart - 125ml      General Hydroponics Rapidstart - 125ml 
Rapidstart enhances your growing experience by delivering a powerful blend of premium plant extracts, amino acids, and nutrients generating explosive root growth. Using Rapidstart stimulates prolific root branching and development of fine root hairs that increase nutrient uptake and grow healthier, whiter roots. Using Rapidstart will make your plants explode! Use during the entire ... — Ships from Portland, Oregon USA...more info.
 HY265   $24.13 
 General Hydroponics Rapidstart - 500 ml      General Hydroponics Rapidstart - 500 ml 
Rapidstart enhances your growing experience by delivering a powerful blend of premium plant extracts, amino acids, and nutrients generating explosive root growth. Using Rapidstart stimulates prolific root branching and development of fine root hairs that increase nutrient uptake and grow healthier, whiter roots. Using Rapidstart will make your plants explode! Use during the entire ... — Ships from Portland, Oregon USA...more info.
 HY267   $68.77 
 Gigantamo Bloom - 20 lb      Gigantamo Bloom - 20 lb 
Blackjack Soil Company™ offers this rich bloom fertilizer to enhance plant growth as your plants are phased into their bloom cycles. A rich source of natural phosphorus is needed to help bud and bloom development. One to two tablespoons per gallon of soil in the pot should be top-dressed and covered with ½ to 1 inch of soil or consult the Blackjack Gardening Program booklet for oth... — Ships separately from Portland, Oregon USA...more info.
 FE613   $124.09 
 Ginormous - 1 Gal. - Humboldt Nutrients      Ginormous - 1 Gal. - Humboldt Nutrients 
Ginormous - 1 Gal. - Humboldt Nutrients (HG410)GIANT flowers and ENORMOUS fruits are what we all want to harvest consistently throughout our lives. Humboldt Nutrients is here to help you accomplish that goal. Through extensive research and development, the Humboldt Nutrients teams of agronomists and chemists have created Ginormous (0-6-16). Ginormous was specifically formulated t... — Ships from DL: Livermore, California USA...more info.
 dl-HG410   $62.00 
Displaying 301 to 320 (of 4163 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
HydroRush
This stuff is just hydrogen peroxide. Will kill your benefic ..
2 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

Master B - 5 Gal. - Humboldt Nutrients
Master B - 5 Gal. - Humboldt Nutrients
$159.59
$141.31
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)
TECHNAFLORA® RECIPE FOR SUCCESS STARTER KIT (10/CASE)
TECHNAFLORA® RECIPE FOR SUCCESS STARTER KIT (10/CASE)
FLORA BLOOM GALLON
FLORA BLOOM GALLON
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 GROW BIG® QUART (12/CASE)
FOX FARM GROW BIG® QUART (12/CASE)
FOX FARM TIGER BLOOM® QUART (12/CASE)
FOX FARM TIGER BLOOM® 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)
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 2lb (16/cs)
02.Primal Harvest Powder 0-12-1, 50lbs.
03.Orca 16 Oz.
04.SUPERthrive, 1 qt
05.White Widow 1lb
06.B'Cuzz Blossom Builder Tabzz, box of 18 Tabzz
07.B'Cuzz Root, 32 oz
08.Biomin Calcium, 1 qt
09.Go Box Starter Kit
10.Oregonism XL 6lbs. Endo/Ecto-Mycorrhizae
11.Tiger Bloom Liquid Concentrate 1 pt
12.Grow More Water Soluble 0-50-30 25lb
13.Happy Frog Premium Lawn Fertilizer, 18 lbs.
14.Rock Box Starter Pack
15.Big Bloom Liquid Concentrate 1 pt
Languages
English Deutsch Español
Currencies
Feeds
RSS 2.0
Google Sitemap
ROR Sitemap
ROR Feed
Ads
Ads
Shop at CollectionsEtc.com!

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