Horticulture Source » Gardening & Hydroponics Store » Nutrients & Supplements   Mobile   Secure |  My Account | Cart Contents | Checkout )
Horticulture Source
Quick Find
Help [?]   Search Descriptions Phrase   Advanced
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! Thank you for your business!
Specials more
2" Neoprene Disk.
2" Neoprene Disk.
$0.51
$0.44
What's New? more
Magnum XXXL 6 in Gen 3 Replacement Glass Frame AssemblyMagnum XXXL 6 in Gen 3 Replacement Glass Frame Assembly
640281
Magnum XXXL 6 in Gen 3 Replacement Glass Frame AssemblyMagnum XXXL 6 in Gen 3 Replacement Glass Frame Assembly
$64.15
Shop By Price
Categories
* Lamps / Tubes / Bulbs ++ (529)
* Lighting Systems ++ (1185)
! Nutrients & Supplements (4199)
* Composters & Compost Tea Brewing (43)
* Organic Gardening (534)
* Leaf Shines & Washes (97)
* Pest & Disease Control (586)
* Cloning & Propagation (450)
* Grow Systems ++ (721)
* Meters, Timers & Instruments ++ (638)
* Pots / Containers (1024)
* Pumps, Irrigation & Watering Supplies ++ (1717)
* Grow Media (555)
* Plant Seeds (62)
* Environmental Control ++ (2004)
* Greenhouses (84)
* Grow Rooms / Tents (166)
* Reflective / B&W Films (141)
* Garden Accessories ++ (1027)
* Hand Tools ++ (447)
* Gardening Books & DVDs (57)
* Growing Apparel & Bags (100)
Manufacturers more
Ads
Ads
Languages
English Deutsch Español

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 4199 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 
 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 SS: WA, CA, CO, MI, TN, PA, FL USA. Note: the WA warehouse is moving in Jul & Aug, some orders may be delayed 1-2 days....more info.
 721746   $7.69 
 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 HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-SNHB4OZ   $7.69 
 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 HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-BBB500ML   $7.69 
 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 HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-BBG500ML   $7.69 
 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 HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-SG0301PT   $7.69 
 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 HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-SG0303PT   $7.69 
 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 HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-SG0111QT   $7.69 
 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 HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-ROUB3   $7.70 
 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 HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-GH1592   $7.70 
 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 HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-BCNSSWB8   $7.70 
 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 HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-ROIXP   $7.70 
 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 HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-ROPSBG3   $7.70 
 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 HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-BCNSSWC8   $7.70 
 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 HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-BCNSSWR8   $7.70 
 Clearex - Qt (12/cs)   Botanicare   Clearex - Qt (12/cs) 
Clearex - Qt (12/cs) (eco-2893)Clearex - Salt Leaching Solution 1 qt The #1 salt leaching solution in North America. A common cause of crop failure can be traced to the buildup of nutrient salt deposits in soils or soilless grow media. High salt concentrations in the soil solution cause a shrinkage of plant cell protoplasm away from the cell wall as a result of osmosis. Th... This item is sold individually. — Ships from Seattle, Washington USA....more info.
 eco-2893   $7.71 
 Carbo Max  100 g   Grotek   Carbo Max 100 g 
Grotek Carbo Max 100 g (GTCM60130)During photosynthesis plants naturally produce their own energy source in the form of carbohydrates. Carbohydrates are used to drive many important functions within a plant. These functions can make the production of energy a limiting factor within plants. Carbo-Max™ is a source of simple sugars that are water soluble and can be access... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-GTCM60130   $7.71 
 Elements Cal-n-Mag Qt   Earth Juice   Elements Cal-n-Mag Qt 
Hydro Organics / Earth Juice Elements Cal-n-Mag Qt (HOEC35062)For use with planting mixes, native soils and as a hydroponic additive. Elements Cal -n- Mag is Calcium and Magnesium formula developed for plants to help prevent and treat Calcium and Magnesium deficiencies. For use as a Calcium and Magnesium booster or as part of Elements Total Solution. Indoor/outdoor plants, soil an... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HOEC35062   $7.73 
 BioRighteous, 4 oz   HydroFarm   BioRighteous, 4 oz 
Hydro Organics BioRighteous, 4 oz (HOR00770)BioRighteous™ "Microbes For Plants"- Blend No. 2 A powder blend of beneficial soil and plant microbes. Easy and versatile to use. Can be mixed into fertilizers and soils, applied as a foliage spray, added to hydroponic reservoirs and is ideal for brewing plant teas. Can be used together with BioZeus™ "Microbes for Plants" - Bl... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HOR00770   $7.73 
 Down To Earth Fish Powder 12-1-1 - 1 lb   Down to Earth   Down To Earth Fish Powder 12-1-1 - 1 lb 
Premium quality solution grade high nitrogen fertilizer for promotion of rapid plant growth or correction of nitrogen deficiencies. Enzymatically hydrolyzed and spray dried fish protein concentrate provides a valuable and plant available source of organic nitrogen, amino acids and minerals. More concentrated and economical than liquid fish fertilizers. Combine with seaweed powder, ... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA. Note: the WA warehouse is moving in Jul & Aug, some orders may be delayed 1-2 days....more info.
 723708   $7.74 
 RAW BLOOM 2 oz   NPK Industries   RAW BLOOM 2 oz 
RAW BLOOM is a tested blend of All RAW soluble plant nutrients, essential elements and bio stimulants that has been proven to be an optimal All in One horticultural fertilizer.... — Ships from DL: Livermore, California USA....more info.
 dl-NPK461   $7.75 
Displaying 261 to 280 (of 4199 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
Amazon Ad
Ads
Global Tech LED Mammoth

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
UPSFedExUSPS OnTrac CalOver EstesR+LSouthEasternSAIA
Copyright © 2005 — 2017 Usisu, Inc.: Conditions of Use VISAMasterCardAmerican ExpressDiscoverDiners ClubJBCPayPal Money Order