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
ECOPLUS™ 1/2IN TUB OUTLET FITTING  (10/BAG)
ECOPLUS™ 1/2IN TUB OUTLET FITTING (10/BAG)
$14.85
$14.04
What's New? more
Harvest Keeper Black / Black Precut Bags 11 in x 18 in (50/Pack)
744356
Harvest Keeper Black / Black Precut Bags 11 in x 18 in (50/Pack)
$24.42
Shop By Price
Categories
* Lamps / Tubes / Bulbs ++ (539)
* Lighting Systems ++ (1190)
! Nutrients & Supplements (4272)
* Composters & Compost Tea Brewing (43)
* Organic Gardening (534)
* Leaf Shines & Washes (97)
* Pest & Disease Control (591)
* Cloning & Propagation (451)
* Grow Systems ++ (720)
* Meters, Timers & Instruments ++ (637)
* Pots / Containers (1024)
* Pumps, Irrigation & Watering Supplies ++ (1730)
* Grow Media (560)
* Plant Seeds (62)
* Environmental Control ++ (2003)
* Greenhouses (84)
* Grow Rooms / Tents (166)
* Reflective / B&W Films (141)
* Garden Accessories ++ (1037)
* Hand Tools ++ (450)
* 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 521 to 540 (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 
 KoolBloom 4 oz   General Hydroponics   KoolBloom 4 oz 
General Hydroponics KoolBloom 4 oz (GH1315)KoolBloom • Encourages abundant flowering. • Facilitates ripening in annuals. • Boosts production of essential oils and fragrances. • Increases size and weight of fruits and flowers. • Precisely formulated to boost potency and enhance the performance of all types of nutrients. Dry KoolBloom is packed with the... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-GH1315   $10.09 
 Volcano Bat 0-6-0, 5 lbs   Earth Juice   Volcano Bat 0-6-0, 5 lbs 
The “Premium” Bat Guano for blooming plants. This ancient source of plant food has proven itself over the ages to be an effective way to achieve a successful harvest. Use Volcano Bat to encourage higher yields of vegetables, flowers and fruit and to aid in the production of essential oils and fragrances of flowers and herbs. Derived from highest quality bat phosphate guano in exist... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HOF04045   $10.11 
 Root Dip-C 16 oz CA ONLY   MICROBE Life Hydroponics   Root Dip-C 16 oz CA ONLY 
Root Dip-C is a natural, humic, and microbial-based product containing two photosynthetic strains of microorganisms. While it is not a plant food or nutrient, it is compatible with all standard nutrients and fertlization programs. Root Dip-C works well with all systems, may be used during all stages of growth and is compatible with the use of CO2. Root Dip-C will not burn plants. R... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-ML21628   $10.12 
 Vitamin & Amino Acids 16oz   MICROBE Life Hydroponics   Vitamin & Amino Acids 16oz 
Microbe Life Hydroponics Vitamin & Amino Acids 16oz (ML21367)Microbe Life/Vitamins & Amino Acids contain a blend of all of the essential micronutrients and minerals required by many fruits, vegetables and plants. Many of these essential micronutrients and minerals may not be present in your current nutrient program. Vitamins are organic compounds made by combining basic element... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-ML21367   $10.12 
 Nutrilife Heavy Weight 1 Liter (12/Cs)   Nutrilife   Nutrilife Heavy Weight 1 Liter (12/Cs) 
Heavy Weight is a product developed to be used during the flowering stages of a plant's life. It will help increase the mass of the flower bud during the critical development stage. Include with your regular nutrient feed program in the 3rd, 5th and 6th week of flowering. Give your plants the boost they need to become great plants.... 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.
 717200   $10.12 
 Hesi PK 13/14 500 ML      Hesi PK 13/14 500 ML 
Hesi PK 13/14 500 ML (HES5061)Hesi PK 13/14 Plants have an increased need for phosphorus and potassium in the flowering phase. By applying PK 13/14 we completely fulfil this need. The flowering phase is the supreme point in the life of the plant when the metabolism is working at full power and large quantities of enzymes are being produced for flowering. PK 13/14 should be used ... — Ships from DL: Livermore, California USA....more info.
 dl-HES5061   $10.14 
 Wholesome Sweetener Certified Organic Molasses 32oz (12/Cs)      Wholesome Sweetener Certified Organic Molasses 32oz (12/Cs) 
Wholesome Sweetener Certified Organic Molasses Wholesome Sweeteners Fair Trade Certified Organic Molasses is a blackstrap molasses with a rich, full-bodied robust flavor that adds natural color. Wholesome's Organic Molasses is actually the end product, or by-product, of the production of our Organic Sugar. It is loaded with vitamins, minerals and trace elements natu... 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.
 715500   $10.16 
 FLORA NECTAR COCONUT QUART   General Hydroponics   FLORA NECTAR COCONUT QUART 
Flora Nectar Coconut FloraNectar ensures optimal metabolic rates during the flowering and fruiting phase when nitrogen levels have been reduced. FloraNectar also promotes a sturdier plant structure during the vegetative phase when high levels of nitrogen are present. FloraNectar fulfills the additional energy requirements of your plants throughout all phases of growth and during s... — 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.
 732680   $10.16 
 Grotek Final Flush Blue Berry 1 Liter (6/Cs)   Grotek   Grotek Final Flush Blue Berry 1 Liter (6/Cs) 
Final Flush - Blueberry Salinity can become a serious issue for those gardeners growing in containers and recirculation systems. Salt build up can cause problems for growing plants and can cause bitterness in harvested fruit. Final Flush™ is a flushing agent designed to correct over feeding issues during crop production while eliminating excess salts from the medium during the fin... 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.
 739630   $10.21 
 Grotek Final Flush Green Apple 1 Liter (12/Cs)   Grotek   Grotek Final Flush Green Apple 1 Liter (12/Cs) 
Final Flush - Green Apple Salinity can become a serious issue for those gardeners growing in containers and recirculation systems. Salt build up can cause problems for growing plants and can cause bitterness in harvested fruit. Final Flush™ is a flushing agent designed to correct over feeding issues during crop production while eliminating excess salts from the medium during the f... 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.
 739675   $10.21 
 Grotek Final Flush Pina 1 Liter (6/Cs)   Grotek   Grotek Final Flush Pina 1 Liter (6/Cs) 
Final Flush - Pina Colada Salinity can become a serious issue for those gardeners growing in containers and recirculation systems. Salt build up can cause problems for growing plants and can cause bitterness in harvested fruit. Final Flush™ is a flushing agent designed to correct over feeding issues during crop production while eliminating excess salts from the medium during the f... 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.
 739610   $10.21 
 Grotek Final Flush Straw 1 Liter (6/Cs)   Grotek   Grotek Final Flush Straw 1 Liter (6/Cs) 
Final Flush - Strawberry Salinity can become a serious issue for those gardeners growing in containers and recirculation systems. Salt build up can cause problems for growing plants and can cause bitterness in harvested fruit. Final Flush™ is a flushing agent designed to correct over feeding issues during crop production while eliminating excess salts from the medium during the fi... 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.
 739620   $10.21 
 Cal Max, 1 qt   Grotek   Cal Max, 1 qt 
Grotek Cal Max, 1 qt (GTCLMXQT)During periods of high temperatures and accelerated growth, plants can develop nutrient deficiencies, which are preventable. Cal-Max™ was developed to provide the additional calcium, magnesium and iron needed to support peak production. Applied as a foliar spray, this product can help even in environments where nutrient translocation from root... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-GTCLMXQT   $10.24 
 Rock Phosphate 7.25 lb bag      Rock Phosphate 7.25 lb bag 
Espoma Rock Phosphate 7.25 lb bag (EP5140)• All natural• Pelletized for easy application• Contains 3% available and 24% total phosphate Manufacturer's Product Information MSRP each $12.95 UPC050197020060 Dimensions7 x 12 x 3.25 ... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-EP5140   $10.25 
 NPK RAW Full Up 0.125 lb Dry (12/Cs)   NPK Industries   NPK RAW Full Up 0.125 lb Dry (12/Cs) 
NPK RAW Full Up RAW Full Up is a fully soluble plant supplement which contains 10% humic acids derived from peat. RAW Full Up is a great way to supplement any feeding program.... 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.
 717873   $10.26 
 NPK RAW OminA 0.125 lb Dry (12/Cs)   NPK Industries   NPK RAW OminA 0.125 lb Dry (12/Cs) 
NPK RAW ominA 14-0-0 RAW ominA is a fully soluble plant supplement which contains 14% water soluble nitrogen derived from plant protein dydrolysate. RAW ominA is a great way to supplement any feeding program.... 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.
 717897   $10.26 
 BIOROOT QUART (12/CASE)   General Hydroponics   BIOROOT QUART (12/CASE) 
General Hydroponics Big Root 1-1-1 BioRoot is a natural plant growth supplement that helps plants establish healthy and vibrant root systems. It contains plant- and mineral-derived organic acids and humates that encourage beneficial microbial activity in the root zone. BioRoot is outstanding for seedlings and cuttings as well as all phases of plant growth. Use BioRoot with all t... 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.
 726824   $10.27 
 BIOMARINE QUART (12/CASE)   General Hydroponics   BIOMARINE QUART (12/CASE) 
General Hydroponics Bio Marine - 2-3-1 BioMarine is an enzymatically extracted fish protein that naturally enhances soils and boosts plant growth. This fish-based fertilizer encourages beneficial microbes for better roots, stems, foliage, flowers, and fruits. A superior natural source of plant nutrition, Bio Marine suits all types of plants during all phases of growth, from seed... 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.
 726836   $10.27 
 DIAMOND BLACK QUART (12/CASE)   General Hydroponics   DIAMOND BLACK QUART (12/CASE) 
General Hydroponics Diamond Black 0-0-1 Diamond Black is derived from 100% pure mined Leonardite, a naturally occurring form of carbon drawn from prehistoric peat bogs. Containing an exceptionally high percentage of plant-active humates, Diamond Black supports beneficial microbial activity in soils and increases micronutrient availability. Diamond Black can be added to all kinds... 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.
 726840   $10.27 
 Great White Mycorrhizae 1oz (24/Cs)      Great White Mycorrhizae 1oz (24/Cs) 
Plant Success Great White MycorrhizaeGreat White Mycorrhizae 1oz (24/Cs) (720308)Great White is the most advanced mycorrhizal product on the market today. The combination of mycorrhizae, beneficial bacteria, trichoderma, and plant vitamins will give your plants a strong and developed root system. This will enable your plants to break down and absorb nutrients efficiently and ef... 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.
 720308   $10.29 
Displaying 521 to 540 (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