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 10 Years of Service to Gardeners in 91 Countries! Thank you for your business!
Categories
* Lamps / Tubes / Bulbs ++ (531)
* Lighting Systems ++ (1131)
! Nutrients & Supplements (4327)
* Composters & Compost Tea Brewing (43)
* Organic Gardening (542)
* Leaf Shines & Washes (98)
* Pest & Disease Control (568)
* Cloning & Propagation (445)
* Grow Systems ++ (590)
* Meters, Timers & Instruments ++ (672)
* Pots / Containers (1015)
* Pumps, Irrigation & Watering Supplies ++ (1631)
* Grow Media (569)
* Plant Seeds (21)
* Environmental Control ++ (1937)
* Greenhouses (89)
* Grow Rooms / Tents (167)
* Reflective / B&W Films (141)
* Garden Accessories ++ (957)
* Hand Tools ++ (525)
* Gardening Books & DVDs (59)
* Growing Apparel & Bags (45)
Manufacturers more
What's New? more
Philips 1000W HPS Double-Ended Bulb, Case of 6
hf-BUSD1DEP
Philips 1000W HPS Double-Ended Bulb, Case of 6
$545.65
Quick Find
Quick Find
Use keywords to find the product you are looking for.
Advanced Search

Information
Who else is online?
There are 75 guests and 
2 logged in customers 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 301 to 320 (of 4327 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 
 BushDoctor Wholly Mackerel, 1 pt   FoxFarm   BushDoctor Wholly Mackerel, 1 pt 
Wholly Mackerel is a liquid plant nutrient derived from marine fish species. It is an enzymatically digested product. Wholly Mackerel provides readily available amounts of organic nitrogen, phosphorus and potassium to growing plants. FoxFarm's extra strength fish fertilizer contains 20 different amino acids, 13 vitamins, and 8 minerals including manganese, iron, copper, and zinc. T... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-FX14113   $8.23 
 Cottonseed Meal 3.5 lb bag   HydroFarm   Cottonseed Meal 3.5 lb bag 
Espoma Cottonseed Meal 3.5 lb bag (EP5040)• Cottonseed meal is a by-product from food grade cottonseed oil production• It is an all-natural 100 percent organic plant food generally used for feeding trees and shrubs• It provides plants with all three essential nutrients• Long-lasting for acid-loving plants and all evergreens, trees and shrubs     ... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-EP5040   $8.23 
 Gro-Tone, 16 oz      Gro-Tone, 16 oz 
Espoma Gro-Tone, 16 oz (EP3090)• All purpose plant food• Concentrate • Derived solely from farm raised catfish that have been fed a strict diet of grains, minerals and vitamins• The proteins from fish are uniquely processed to preserve the nutrients and produce an all natural organic    plant food that won't clog drip systems and sprayers• For org... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-EP3090   $8.23 
 Mycormax   HydroFarm   Mycormax 
Safer Gro Mycormax (SG0226)Mycormax is an inoculum of 7 Vesicular-Arbuscular mycorrhizal fungi. It contains spores, colonized root fragments, and other propagules in a clay-based carrier. The mycorrhizal fungi are a group of beneficial fungi that enhance plant growth and vitality. They play an important and positive role in plant physiology, mineral nutrition, water absorption, hor... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-SG0226   $8.23 
 Bio-Tone Starter Plus 4 lb bag      Bio-Tone Starter Plus 4 lb bag 
Espoma Bio-Tone Starter Plus 4 lb bag (EP3050)• Microbe enhanced all natural plant food• Includes both Endo & Ecto Mycorrhizae• Grows larger root mass to help plants establish fast• Promotes bigger blooms• Reduces transplant loss Manufacturer's Product Information ... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-EP3050   $8.23 
 Biomin Calcium, 1 pt   HydroFarm   Biomin Calcium, 1 pt 
Safer Gro Biomin Calcium, 1 pt (SG0301PT)Biomin Calcium is micronutrients chelated with amino acids. Through this amino acid chelation process, the micronutrients are more available to plants and are safer to use than inorganic minerals or synthetic chelates. Biomin is suitable for both soil and foliar applications. Available in Biomin Calcium and Biomin Iron. ... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-SG0301PT   $8.23 
 Biomin Iron, 1 pt   HydroFarm   Biomin Iron, 1 pt 
Safer Gro Biomin Iron, 1 pt (SG0303PT)Biomin Iron is micronutrients chelated with amino acids. Through this amino acid chelation process, the micronutrients are more available to plants and are safer to use than inorganic minerals or synthetic chelates. Biomin is suitable for both soil and foliar applications. Available in Biomin Calcium and Biomin Iron. ... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-SG0303PT   $8.23 
 Humax, 1 qt   HydroFarm   Humax, 1 qt 
Safer Gro Humax, 1 qt (SG0111QT)Humax is concentrated liquid humic acid extracted from leonardite. Humic acids increase nutrient availability, promote nutrient uptake, and stimulate plant growth. The colloidal nature of humic acid allows it to absorb large quantities of water and thus increases the water-holding capacity of soil. Crops grown on soils containing more humic acid tend... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-SG0111QT   $8.23 
 DeuceDeuce 16 oz.   Humboldt Nutrients   DeuceDeuce 16 oz. 
Humboldt Nutrients DeuceDeuce 16 oz. (HNDD404)DeuceDeuce 0-0-22 DeuceDeuce is derived from sulfate of Potash, Potassium, and Ascophyllum Nodosum. Potassium aids plants in enzymatic function, protein and cellulose formation, efficient photosynthesis and rapid transportation of carbohydrates and s... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HNDD404   $8.26 
 SNS HydroBiotics, 4 oz Pouch      SNS HydroBiotics, 4 oz Pouch 
SNS-HydroBiotics™ is an environmentally safe probiotic inoculant containing powerful microbes for maintaining hydroponic reservoirs & watering systems as an aid to help reduce system fouling. Uses for HydroBiotics™Overall water quality improvement • 4 ounces makes 45 gallons of ready to use solution • 1 gallon makes 1440 gallons of ready to use solution • Aids in making the pl... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-SNHB4OZ   $8.27 
 BioBizz Bio-Bloom 500ml   BioBizz   BioBizz Bio-Bloom 500ml 
Biobizz BioBizz Bio-Bloom 500ml (BBB500ML)Bio-Bloom liquid organic plant food is a complete liquid organic fertilizer containing a small amount of naturally occurring minerals such as nitrogen and and enough phosphorous and potassium to ensure exuberant flowering and fruit settings. Bio-Bloom also works in harmony with the soil to promote flowering and fruit production. Use Bio-Blo... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-BBB500ML   $8.27 
 BioBizz Bio-Grow 500ml   BioBizz   BioBizz Bio-Grow 500ml 
Biobizz BioBizz Bio-Grow 500ml (BBG500ML)Bio-Grow liquid organic plant food is a liquid fertilizer appli­cable to most types of dirt and substrate mixtures. Bio-Grow activates the sub­strates' bacterial flora due to its base of 100% of Dutch organic sugar beet extract, commonly known as molasses. Bio-Grow contains 70 trace elements and vitamins B1, B2, C, and E. As all Biob... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-BBG500ML   $8.27 
 Grow More BioCozyme Quart (12/Cs)   GrowMore   Grow More BioCozyme Quart (12/Cs) 
Grow More BioCozyme A 100% organic bio-stimulant that enhances a plant's ability to absorb and utilize nutrients. Derived from natural occurring cytokinins, hormones, enzymes, vitamins, amino acids and micro-nutrients. Works by enhancing the plant's ability to control the movement of nutrients through the stem and leaves and augments the existing enzyme functions in the plant. Inc... 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.
 721746   $8.27 
 Uprising Bloom 3lb   Aurora Innovations   Uprising Bloom 3lb 
Roots Organics Uprising Bloom 3lb (ROUB3)Roots Organics Uprising Bloom is a diverse blend of natural and organic ingredients specially formulated for maximum results. This formula is effective alone as an amendment or as a top dress for encouraging vigorous flowering and fruiting. Uprising Bloom is most effective when used in conjunction with Roots Organics Uprising Grow for a ... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-ROUB3   $8.28 
 Flora Blend-Vegan Plant Booster 0.5-1-1. 1 qt   General Hydroponics   Flora Blend-Vegan Plant Booster 0.5-1-1. 1 qt 
General Hydroponics Flora Blend-Vegan Plant Booster 0.5-1-1. 1 qt (GH1592)These highly soluble organic compounds increase and promote healthy root structures, build the plants immune system and provide carbon building blocks for plant processes responsible for color and flavor of fruits and vegetables. FloraBlend is a vegan product and contains no animal derived ingredients. Flora... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-GH1592   $8.28 
 Sweet Carbo Berry - 8 oz.   Botanicare   Sweet Carbo Berry - 8 oz. 
Botanicare Sweet Carbo Berry - 8 oz. (BCNSSWB8)Sweet all natural mineral supplements contains carbohydrates and essential secondary elements which are utilized for the bio-synthesis of crucial compounds to maintain optimal metabolism.Plant Physiologists have determined that a high phosphorous:nitrogen (P/N) ratio favors flowering and fruit development, whereas, a low P/N ratio favo... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-BCNSSWB8   $8.28 
 Oregonism XL 1.8oz Endo/Ecto-Mycorrhizae   Aurora Innovations   Oregonism XL 1.8oz Endo/Ecto-Mycorrhizae 
Roots Organics Oregonism XL 1.8oz Endo/Ecto-Mycorrhizae (ROIXP)Roots Organics Oregonism XL is a distinctive super-soluble formulation of endo/ecto-mycorrhizae, beneficial bacteria, and Trichoderma. The species of microorganisms in this product are specifically selected for fruiting and flowering plants with a tolerance to heavy fertilizing. Mycorrhizae colonize the root zone, f... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-ROIXP   $8.28 
 Phos Sea Bird 3lb Guano Granular 0-12-0   Aurora Innovations   Phos Sea Bird 3lb Guano Granular 0-12-0 
Roots Organics Phos Sea Bird 3lb Guano Granular 0-12-0 (ROPSBG3)Roots Organics Seabird Guano is an excellent source of phosphate and calcium. Carefully sifted and processed to make it easy to work with, Roots Organics Seabird Guano encourages vigorous growth and is fast acting for quick results. All of the Roots Organics guanos have been carefully sourced for quality and ha... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-ROPSBG3   $8.28 
 Sweet Carbo Citrus - 8 oz.   Botanicare   Sweet Carbo Citrus - 8 oz. 
Botanicare Sweet Carbo Citrus - 8 oz. (BCNSSWC8) Sweet all natural mineral supplements contains carbohydrates and essential secondary elements which are utilized for the bio-synthesis of crucial compounds to maintain optimal metabolism.Plant Physiologists have determined that a high phosphorous:nitrogen (P/N) ratio favors flowering and fruit development, whereas, a low P/N ratio fa... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-BCNSSWC8   $8.28 
 Sweet Raw 8 oz.   Botanicare   Sweet Raw 8 oz. 
Botanicare Sweet Raw 8 oz. (BCNSSWR8)Botanicare has combined the Superiority of Sweet with the Flavors of Nature in the newest addition to the popular Sweet line- Sweet Raw. Sweet Raw helps maintain optimum metabolic levels by supplying plants with the vital energy they need during the entire grow cycle. Sweet Raw offers the same premium ingredients as the original flavored version... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-BCNSSWR8   $8.28 
Displaying 301 to 320 (of 4327 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
HM Digital Waterproof pH Meter Model PH-200
Its a great meter Ive had mine for about 3 years and the onl ..
5 of 5 Stars!
BizRate Customer Certified (GOLD) Site - HorticultureSource.com -Specialty Gardening Supply Reviews at Bizrate


Specials more
DiST 1 TDS Tester
DiST 1 TDS Tester
$47.60
$43.05
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)
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)
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)
EARTH JUICE™ GROW 2-1-1 Organic - QUART (12/CASE)
EARTH JUICE™ GROW 2-1-1 Organic - QUART (12/CASE)
GH Flora Series Performance Pack
GH Flora Series Performance Pack
Bestsellers
01.Nutrient Trio-Soil Formula, 3 qts
02.Primal Harvest Powder 0-12-1, 50lbs.
03.Primal Harvest 2lb (16/cs)
04.Rainbow Mix Bloom 40lb
05.White Widow 1lb
06.Go Box Starter Kit
07.Grow More Water Soluble 0-50-30 25lb
08.RAW BLOOM, 10 lbs
09.Dirty Dozen Starter Kit
10.Earth Juice Godsilica, 1 qt
11.Oregonism XL 6lbs. Endo/Ecto-Mycorrhizae
12.RAW MICROBES Grow Stage, 8 oz
13.Rock Phosphate 7.25 lb bag
14.Dyna-Gro Pro-TeKt 1 gal
15.FloraBloom 1 gal
Languages
English Deutsch Espańol
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  Celebrating 10 Years of Service to Gardeners in 91 Countries! Thank you for your business!  Proud Hydro for Hunger Participant
APO/FPO addresses are no problem.
International orders are always welcome!
UPSFedExUSPS OnTrac CalOver EstesR+LSouthEasternSAIA
Copyright © 2005 — 2016 Usisu, Inc.: Conditions of Use VISAMasterCardAmerican ExpressDiscoverDiners ClubJBCPayPal Money Order