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.
Happy Thanksgiving! We are taking orders but please note some shippers & warehouses are closed in observance of Thanksgiving.
Celebrating our 11th Year of Service to Gardeners! Thank you for your business!
Specials more
Natural Armor Animal Repellent - Ready to Use Spray, Pint Mint Scent
Natural Armor Animal Repellent - Ready to Use Spray, Pint Mint Scent
$12.99
$11.69
What's New? more
Hydro-Logic Pre-Evolution KDF/Catalytic Carbon Filter
741640
Hydro-Logic Pre-Evolution KDF/Catalytic Carbon Filter
$59.89
Shop By Price
Categories
* Lamps / Tubes / Bulbs ++ (526)
* Lighting Systems ++ (1197)
! Nutrients & Supplements (4262)
* Composters & Compost Tea Brewing (42)
* Organic Gardening (527)
* Leaf Shines & Washes (94)
* Pest & Disease Control (603)
* Cloning & Propagation (440)
* Grow Systems ++ (713)
* Meters, Timers & Instruments ++ (637)
* Pots / Containers (1029)
* Pumps, Irrigation & Watering Supplies ++ (1738)
* Grow Media (554)
* Plant Seeds (62)
* Environmental Control ++ (2028)
* Greenhouses (84)
* Grow Rooms / Tents (166)
* Reflective / B&W Films (143)
* Garden Accessories ++ (1089)
* Hand Tools ++ (450)
* Gardening Books & DVDs (56)
* Growing Apparel & Bags (119)
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 581 to 600 (of 4262 products) Result Pages: [<< Prev]  ... 21  22  23  24  25  26  27  28  29  30  31  32  33  34  35  36  37  38  39  40 ...  [Next >>] 
 Sort by Popularity   Manufacturer   Product(s)   Model   Price+   Buy Now 
 pH - Down Gal. (4/Case)   Ecogrow   pH - Down Gal. (4/Case) 
pH - Down Gal. (4/Case) (eco-2065)LIQUID pH - Up & pH - Down *both contain 8 % solution Manufacturer's Product Information MSRP $15.95 ... This item is sold individually. — LTL Shipping Required. — Ships from Seattle, Washington USA....more info.
 eco-2065   $10.35 
 Cutting Edge Bloom 0-6-5 - 1 Quart      Cutting Edge Bloom 0-6-5 - 1 Quart 
Bloom is a Phosphorus heavy formula for enhancing flower production, as well as to encourage a plant to shift it's hormonal signals from vegetative to flowering. Bloom also contains Potassium to enhance the plant's photosynthetic rate and energy transfer throughout the plant. Bloom also contains lesser amounts of Magnesium and Sulfur, to help satisfy a plant's needs.... — Ships from Portland, Oregon USA....more info.
 HY324   $10.35 
 Cutting Edge Grow 2-1-6 - 1 Quart      Cutting Edge Grow 2-1-6 - 1 Quart 
Cutting Edge Grow is a component of one great three-part hydroponic nutrient system! Cutting Edge Solutions developed these nutrients to overcome indoor gardening challenges ranging from climate extremes to poor water quality, testing and tweaking the formulation until it was perfect. Their work has paid off for gardeners in the form of an affordable, high-quality nutrient system t... — Ships from Portland, Oregon USA....more info.
 HY320   $10.35 
 FloraBlend by General Hydroponics (1 Quart)   General Hydroponics   FloraBlend by General Hydroponics (1 Quart) 
FloraBlend by General Hydroponics (1 Quart)We take a diverse mixture of highly bioactive microorganisms and feed them a feast of select food sources in a hyper oxygenated environment. These beneficial microorganisms multiply consuming these food sources and through bioconversion processes new organic compounds are formed. These highly soluble organic compounds increase and promote ... — Ships from Portland, Oregon USA....more info.
 HY255   $10.35 
 pH - Up Gal. (4/Case)   Ecogrow   pH - Up Gal. (4/Case) 
pH - Up Gal. (4/Case) (eco-2064)LIQUID pH - Up & pH - Down *both contain 8 % solution Manufacturer's Product Information MSRP $15.95 ... This item is sold individually. — LTL Shipping Required. — Ships from Seattle, Washington USA....more info.
 eco-2064   $10.35 
 Safergro Natural Wet Quart  (12/Cs)   SaferGro   Safergro Natural Wet Quart (12/Cs) 
SaferGro Natural WetSafergro Natural Wet Quart (12/Cs) (743610)Natural Wet is a special formulation designed to alleviate the stress plants suffer under unfavorable conditions. Natural Wet can also stimulate plant growth and development, thus increasing plant productivity and yield. The main ingredients are saponins, which are saprogenic glycosides derived mainly from yucca pl... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 743610   $10.35 
 CaliMagic Qt   General Hydroponics   CaliMagic Qt 
General Hydroponics CaliMagic Qt (GH1772)CALiMAGicTM is a concentrated blend of readily available Calcium and Magnesium. It is formulated to assist fast growing plants by preventing secondary nutrient deficiencies. CALiMAGic helps optimize plant nutrition and enhances plant growth and development while preventing blossom end rot and tip burn in many crops such as tomatoes and ... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-GH1772   $10.39 
 Hesi TNT Complex 500 ML      Hesi TNT Complex 500 ML 
Hesi TNT Complex 500 ML (HES5035)Hesi TNT Complex Hesi TNT Complex is a very powerful growth supplement which uses 100% organic nitrogen. Organic nitrogen compounds have no EC value because they are not salts, but they do contain a high percentage of nitrogen. TNT Complex contains all necessary nutrients and has been enriched with many vital components which guarantee succ... — Ships from DL: Livermore, California USA....more info.
 dl-HES5035   $10.40 
 Deep Fusion Micro Soil 32oz      Deep Fusion Micro Soil 32oz 
Deep Fusion Micro Soil 32oz Deep Fusion Micro featuring Molasses blended with standard NPK chemical fertilizers, provides growing plants with large amount of Nitrogen as well as necessary micronutrients and trace elements. Manufacturer's Product Information MSR... — Ships from DL: Livermore, California USA....more info.
 dl-ETDFMS-32oz   $10.41 
 Deep Fusion Micro Hydro 32oz      Deep Fusion Micro Hydro 32oz 
Deep Fusion Micro Hydro 32oz Deep Fusion Micro featuring Molasses blended with standard NPK chemical fertilizers, provides growing plants with large amount of Nitrogen as well as necessary micronutrients and trace elements. Manufacturer's Product Information MSRP $14.95 ... — Ships from DL: Livermore, California USA....more info.
 dl-ETDFMH-32oz   $10.41 
 MaxiGro, 2.2 lbs.   General Hydroponics   MaxiGro, 2.2 lbs. 
General Hydroponics MaxiGro, 2.2 lbs. (GH1211)MaxiGro and MaxiBloom are stand-alone, water-soluble, dry concentrated nutrients. Complete in Primary, Secondary, and Micronutrients, pH buffered MaxiGro and MaxiBloom will provide superior results when used with a wide variety of crops in all hydroponic, soil or soil-based growing environments. Use to encourage growth of seedlings... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-GH1211   $10.42 
 MaxiBloom, 2.2lbs.   General Hydroponics   MaxiBloom, 2.2lbs. 
General Hydroponics MaxiBloom, 2.2lbs. (GH1221)MaxiGro and MaxiBloom are stand-alone, water-soluble, dry concentrated nutrients. Complete in Primary, Secondary, and Micronutrients, pH buffered MaxiGro and MaxiBloom will provide superior results when used with a wide variety of crops in all hydroponic, soil or soil-based growing environments. Use in the reproductive stage for all f... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-GH1221   $10.42 
 Snow Storm Ultra 8oz      Snow Storm Ultra 8oz 
Snow Storm Ultra 8oz A Humboldt County original. We separated the Snow Storm from Purple Maxx and optimized it. No carbohydrates or sugar water. This is the real deal. An honest, one-of-a-kind product. The name says it all! Manufacturer's Product Information MSRP $14.5 ... — Ships from DL: Livermore, California USA....more info.
 dl-ETSS-8oz   $10.42 
 Liquid Humic Acid. 16 fl. oz.   Blackjack   Liquid Humic Acid. 16 fl. oz. 
Blackjack Soil Company’s Liquid Humic Acid is a proprietary premium blend of 100% Humic minerals from Leonardite in an aqueous base. Blackjack’s Liquid Humic Acid is fast acting and has a guaranteed source of Phosphorus as Available Phosphate P205 (0-2-0). To this date, the studies on this product and products like it are classified by State and Federal authorities as experimental.... — Ships from Portland, Oregon USA....more info.
 FE630   $10.43 
 Deep Fusion Bloom Soil 32oz      Deep Fusion Bloom Soil 32oz 
Deep Fusion Bloom Soil 32oz Deep Fusion Bloom featuring Molasses blended with stardard NPK chemical fertilizers, supplies large amounts of Phosphorus and Potassium for blooming flowers.... — Ships from DL: Livermore, California USA....more info.
 dl-ETDFBS-32oz   $10.43 
 Golden Humic Acid Extract. 16 fl. oz.   Blackjack   Golden Humic Acid Extract. 16 fl. oz. 
Blackjack Soil Company’s Golden Humic Acid Extract is a proprietary premium blend of 100% Humic Acid Extract in an aqueous base. Blackjack’s Golden Humic Acid Extract is fast acting and has a guaranteed source of Phosphorus as Available Phosphate P205 (0-2-0). To this date, the studies on this product and products like it are classified by State and Federal authorities as experimen... — Ships from Portland, Oregon USA....more info.
 FE635   $10.43 
 BIOTHRIVE BLOOM QUART (12/CASE)   General Hydroponics   BIOTHRIVE BLOOM QUART (12/CASE) 
General Hydroponics Bio Thrive Bloom 2-4-4 BioThrive Bloom is formulated to provide blooming plants with essential elements needed for superior blooms and harvests. The vegan formulation is pure and natural from organic sources. BioThrive Bloom promotes massive flowers and fruit and also encourages microbial activity in the growing media. It is ideal for both potting soil and so... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 726810   $10.49 
 Rock Star A 1 Liter (12/Cs)      Rock Star A 1 Liter (12/Cs) 
Rock Star A and B (each sold sep) is the newest release from Rock Nutrients. Formulated with readily available plant nutrients, Rock Star maximizes the bioavailability of essential macro nutrients. The new technology in Rock Star A and B allows the user one set of nutrient for all phases of grow and bloom. This high strength simple to use base nutrient system provides a low salt in... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 746166   $10.51 
 Rock Star B 1 Liter (12/Cs)      Rock Star B 1 Liter (12/Cs) 
Rock Star A and B (each sold sep) is the newest release from Rock Nutrients. Formulated with readily available plant nutrients, Rock Star maximizes the bioavailability of essential macro nutrients. The new technology in Rock Star A and B allows the user one set of nutrient for all phases of grow and bloom. This high strength simple to use base nutrient system provides a low salt in... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 746172   $10.51 
 BOTANICARE® SILICA BLAST QUART (12/CASE)   Botanicare   BOTANICARE® SILICA BLAST QUART (12/CASE) 
Botanicare Silica Blast SILICA BLAST QUART (12/CASE) Silicate is a beneficial nutrient supplement to be used in conjunction with a standard nutrient program. Silicate helps strengthen plant tissue helping plants flourish in adverse environmental conditions such as heat, drought, and frost. For use in container gardens or soil-less hydrogardening applications. ... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 732485   $10.53 
Displaying 581 to 600 (of 4262 products) Result Pages: [<< Prev]  ... 21  22  23  24  25  26  27  28  29  30  31  32  33  34  35  36  37  38  39  40 ...  [Next >>] 
Ads
Social Bookmark
Amazon Ad

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
Ads

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