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
Cutting Edge Bulletproof SI 6 Gallon
Cutting Edge Bulletproof SI 6 Gallon
$155.31
$145.60
What's New? more
Hydro-Logic Pre-Evolution KDF/Catalytic Carbon Filter
741640
Hydro-Logic Pre-Evolution KDF/Catalytic Carbon Filter
$62.12
Shop By Price
Categories
* Lamps / Tubes / Bulbs ++ (535)
* Lighting Systems ++ (1200)
! Nutrients & Supplements (4272)
* Composters & Compost Tea Brewing (42)
* Organic Gardening (527)
* Leaf Shines & Washes (94)
* Pest & Disease Control (603)
* Cloning & Propagation (445)
* Grow Systems ++ (720)
* Meters, Timers & Instruments ++ (637)
* Pots / Containers (1039)
* Pumps, Irrigation & Watering Supplies ++ (1740)
* Grow Media (554)
* Plant Seeds (62)
* Environmental Control ++ (2033)
* Greenhouses (84)
* Grow Rooms / Tents (166)
* Reflective / B&W Films (143)
* Garden Accessories ++ (1086)
* 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 701 to 720 (of 4272 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 
 RAW Nitrogen, 2 oz   NPK Industries   RAW Nitrogen, 2 oz 
RAW Nitrogen is a soluble plant supplement that is used for horticultural purposes. RAW Nitrogen contains 20% Nitrogen. This RAW form of fully water soluble Nitrogen does not contain nitrates or urea which enables it to be applied at all stages to treat deficiencies or boost Nitrogen levels. A 2 oz package of RAW Nitrogen makes up to 200 gallons, an 8 oz package makes up to 8... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-OG3300   $5.88 
 RAW Silica, 2 lbs   NPK Industries   RAW Silica, 2 lbs 
RAW Silica is a flowable plant supplement that is used for horticultural purposes. RAW Silica contains 45% Silicon Dioxide. This product has the highest concentration of Natural Silicon Dioxide available to the home gardener. Unlike other Silica products RAW Silica is relatively PH Neutral. A 2 oz package of RAW Silica makes up to 200 gallons, an 8 oz package makes up to 800... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-OG3720   $59.77 
 Rhino Skin. 1 Liter.   Advanced Nutrients   Rhino Skin. 1 Liter. 
Advanced Nutrients' Rhino Skin is derived from Potassium Silicate to help strengthen plant cell walls. The stronger the cell walls, the sturdier the plant. Your plants will be better able to deal with the stress of poor growing conditions when supplemented with Rhino Skin because it slows down transpiration. Especially well suited for cloning and works well with all hydroponi... — Ships from Portland, Oregon USA....more info.
 FE698   $32.21 
 Rock Resinator Heavy Yields 5L   HydroFarm   Rock Resinator Heavy Yields 5L 
Rock Nutrients Rock Resinator Heavy Yields 5L (GGRR5L)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 natur... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-GGRR5L   $153.94 
 Roots Organics Dry Nutrient Player Pack   Aurora Innovations   Roots Organics Dry Nutrient Player Pack 
PLAYER PACK The Roots Organics Dry Player Pack is the perfect assortment of products for anyone interested in using dry organic plant nutrients in their garden. From the beginner to the master gardener, the Dry Player Pack provides everything needed for a comprehensive dry organic nutrient regiment, in one simple and affordable package. For the individual that wants a fully organi... — Ships separately from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-RODNPLAY   $49.92 
 Roots Organics Surge Gallon (4/Cs)   Aurora Innovations   Roots Organics Surge Gallon (4/Cs) 
Roots Organics Surge Roots Organics Surge nutritional and microbial stimulant is designed from the finest sustainably-harvested and enzymatically processed marine protein materials. The addition of molasses, kelp and humic acid to a powerful fish base creates a potent fusion of natural compounds to enhance the distinctive qualities and flavor of your harvest. Faster growth, heavie... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 715470   $40.27 
 Rx Green Solutions  AXIOM Growth Stimulator, 3 - 2 gm pks      Rx Green Solutions AXIOM Growth Stimulator, 3 - 2 gm pks 
AXIOM is derived from naturally occurring harpin proteins, proven to stimulate the plant's natural growthand defense systems. Harpinαβ, the active ingredient, has been proven to increase plant yields and overall plant health. Use Axiom to boost overall plant growth, vigor and production, and to aid in the management of disease. • Increased plant yield... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-RXAX1002   $32.87 
 Sensi Grow Part B 4 Liter   Advanced Nutrients   Sensi Grow Part B 4 Liter 
The Sensi Grow two-part nutrient system is specifically engineered to maximize your plant's potential during the vegetative stage. This two-part system provides the plant with a nutritional foundation. Use as a stand alone nutrient system, or in conjunction with other Advanced Nutrient specialty products. Retail Price: $38.95... — Ships from Portland, Oregon USA....more info.
 FE759   $55.96 
 Silica Blast, 1 gal   Botanicare   Silica Blast, 1 gal 
Botanicare Silica Blast, 1 gal (BCSIBGAL)Helps strengthen plant tissue helping plants flourish in adverse environmental conditions such as heat, drought, and frost. For use in container gardens or soilless hydrogardening applications. Manufacturer's Product Information MSRP ea... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-BCSIBGAL   $26.55 
 Spigot for 6 gal Container   General Hydroponics   Spigot for 6 gal Container 
General Hydroponics Spigot for 6 gal Container (GH91354)  Spigot for 6 gal container Manufacturer's Product Information MSRP each $3.5 Dimensions5 x 6.5 x 4 Case Quantity1 ... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-GH91354   $1.94 
 Spray-N-Grow, 1 lt   Spray-N-Grow   Spray-N-Grow, 1 lt 
Spray-N-Grow Spray-N-Grow, 1 lt (SPSNGL)More, Bigger, Better. . . blooms, vegetables and fruit!Spray-N-Grow is not a fertilizer, hormone, or hydroponic nutrient solution. Spray-N-Grow is a foliar micronutrient complex made up of naturally occurring elements essential for plant growth. Fertilizers and nutrient solutions provide your plants with major elements necessary for plant gro... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-SPSNGL   $37.33 
 Super Micro Dry 3-10-20. 1 lb   Vita Grow   Super Micro Dry 3-10-20. 1 lb 
VITA GROW DRY MICRO PART A. 1 lb BOX NPK 3-10-20.Vita Grow plant food is a proven nutrient with a great field record. Both the dry and liquid plant food are derived from the same formula, the only difference is that water has been added to one and not the other. This means that you can switch from one to another without any growth difference in the plants. Vita Grow offers a three-... — Ships from Portland, Oregon USA....more info.
 HY440   $8.09 
 Super Natural Bloom Aqua 10 kg   Supernatural Brand   Super Natural Bloom Aqua 10 kg 
Supernatural Bloom Aqua Used during the flowering stage in hydroponics to promote beautiful blooms, Bloom Aqua® contains essential minerals and trace elements to support vigorous flowering. Bloom Aqua® also contains 8% calcium which allows you to use Bloom Aqua® without a calcium supplement and have healthy vigorous flowering growth.... — Ships separately from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 717312   $338.19 
 Super Natural Gro Aqua 1kg (10/Cs)   Supernatural Brand   Super Natural Gro Aqua 1kg (10/Cs) 
Super Natural Gro Aqua Used during the vegetative stage in hydroponics to promote healthy plant growth, Gro Aqua® contains essential macro and micro elements needed for proper plant development.... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 717328   $44.48 
 Terpinator 4 Liter (4/Cs)      Terpinator 4 Liter (4/Cs) 
Terpinator 0 - 0 - 4 Terpinator was created from years of researching naturally occurring plant compounds that are bio-osmotic potentiators. Through our patented scientific process your plants will utilize these compounds to enhance their production of Terpinoids and plant oil producing glands. These glands are brought to their maximum potential and size using Terpinator along w... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 749305   $48.80 
 TM7 100 GRAMS 24/CS   BioAg   TM7 100 GRAMS 24/CS 
BioAg TM-7 All the power of HumiSolve humic acid, plus seven micronutrients required for plant growth. The natural humic and acid acts as chelating agents and prevent tie-up of the trace elements, as well as supplying natural root stimulating compounds. Increases fruit set and quality, stimulates soil microbial activity, improves soil tilth, increases trace element levels and re... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 719750   $6.53 
 Verde 32 oz.   Humboldt Nutrients   Verde 32 oz. 
Humboldt Nutrients Verde 32 oz. (HNV405)Verde 16-1-2 It's Spanish for green. Lush green colors and vigorous growth are what you can expect with Verde. Used as a foliar spray or as a growth catalyst for hydroponic or soil crops, Verde keeps plants healthy throughout their life cy... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HNV405   $14.71 
 VermaPlex Liquid Yucca Quart (12/Cs)      VermaPlex Liquid Yucca Quart (12/Cs) 
VermaPlex Liquid Yucca Extract Liquid Yucca Extract is a 100% natural wetting agent derived from Yucca schidegera. Our Yucca Extract is cold-pressed for maximum biological activity. As a wetting agent, Yucca Extract can be added to almost any liquid fertilizer mix, as part of an overall fertilization program. Liquid Yucca Extract increases soil permeability, allowing water ... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 724260   $11.84 
 Vermicrop VermiBrix 2 Gallon (160/Plt)   Vermicorp Organics   Vermicrop VermiBrix 2 Gallon (160/Plt) 
VermiBrix VermiBrix Powdered Molasses and Minerals is a great substitute for the hard-to-use liquid molasses products on the market. This powdered molasses alternative is easy to use, 100% soluble, all natural and GMO-free. VermiBrix has all the benefits of readily available carbs in sugar form as well as earth minerals. These minerals slowly release silicon and humates to help... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 720772   $56.58 
 VITA GROW LIQUID 'BLOOM' QUART   Vita Grow   VITA GROW LIQUID 'BLOOM' QUART 
VITA GROW LIQUID 'BLOOM' QUART three part professional formula is the best. Vita Grow plant food is a proven nutrient with a great field record. Both the dry and liquid plant food are derived from the same formula, the only difference is that water has been added to one and not the other. This means that you can switch from one to another without any growth difference in the pla... — Ships from Portland, Oregon USA....more info.
 HY425   $8.09 
Displaying 701 to 720 (of 4272 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