Horticulture Source » Gardening & Hydroponics Store » Advanced Search » Search Results » additive   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
10" Stainlesss Duct Clamp
10" Stainlesss Duct Clamp
$1.43
$1.29
What's New? more
Lens System for Sunburst Adjustable
hf-SBDLENS
Lens System for Sunburst Adjustable
$8.54
Shop By Price
Categories
* Lamps / Tubes / Bulbs
* Lighting Systems
* Nutrients & Supplements
* Composters & Compost Tea Brewing
* Organic Gardening
* Leaf Shines & Washes
* Pest & Disease Control
* Cloning & Propagation
* Grow Systems
* Meters, Timers & Instruments
* Pots / Containers
* Pumps, Irrigation & Watering Supplies
* Grow Media
* Plant Seeds
* Environmental Control
* Greenhouses
* Grow Rooms / Tents
* Reflective / B&W Films
* Garden Accessories
* Hand Tools
* Gardening Books & DVDs
* Growing Apparel & Bags
Manufacturers more
Ads
Ads
Languages
English Deutsch Espańol

Products meeting the search criteria: additive

Products meeting the search criteria
Did you mean: additives - Try Advanced Search.
Displaying 1 to 20 (of 439 products) Result Pages:  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 
 Soluble Seaweed Powder 1 lb   KIS Organics   Soluble Seaweed Powder 1 lb 
Seaweed Powder 1lb KIS soluble seaweed extract powder is a soluble extract of Ascophyllum Nodosum seaweed. It is a supplement to a well-balanced nutrition program for crops. It is a natural product with no preservatives. It should be stored in a cool, dry location out of direct sunlight. Dilute only as much powder as needed for each use. It is 100% water-soluble and i... — Ships from Redmond, Washington USA....more info.
 KIS-Seaweed   $13.79 
 LIQUID KOOLBLOOM™ QT 12/CASE   General Hydroponics    LIQUID KOOLBLOOM™ QT 12/CASE 
General Hydroponics Liquid Koolbloom LIQUID KOOLBLOOM QT 12/CASE Liquid Koolbloom 0-10-10 Just like its dry counterpart Liquid KoolBloom is a highly concentrated additive that promotes abundant flowering and helps facilitate ripening in annual and perennial flowers and herbs. Liquid KoolBloom is designed to be used during the reproductive cycle and will result in larger, heav... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 732537   $12.80 
 LIQUID KOOLBLOOM™ GALLON 4/CS   General Hydroponics    LIQUID KOOLBLOOM™ GALLON 4/CS 
General Hydroponics Liquid Koolbloom LIQUID KOOLBLOOM GALLON 4/CS Liquid Koolbloom 0-10-10 Just like its dry counterpart Liquid KoolBloom is a highly concentrated additive that promotes abundant flowering and helps facilitate ripening in annual and perennial flowers and herbs. Liquid KoolBloom is designed to be used during the reproductive cycle and will result in larger, hea... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 732538   $37.35 
 FLORANOVA™ BLOOM GALLON (4/CASE   General Hydroponics    FLORANOVA™ BLOOM GALLON (4/CASE 
General Hydroponics FloraNova Bloom FLORANOVA BLOOM GALLON (4/CASE FloraNova Bloom 2.8 - 0.08 - 0.02 represents a breakthrough in fertilizer technology, as it gives users both the strength of a dry concentrate and the ease of a liquid. This unique formulation of highly purified minerals and natural additives combines the benefits of hydroponic as well as organic gardening met... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 718815   $51.47 
 Atami® Bloombastic®  Florida Label  1250 ml/42.3 oz NPK 0-14-15 (12/case)   Atami   Atami® Bloombastic® Florida Label 1250 ml/42.3 oz NPK 0-14-15 (12/case) 
ATAMI® Bloombastic® The hottest product to hit the market in a decade. The 'Bling Bling' for your plants, the Bloombastic® formula contains biological minerals in combination with our next generation ATA biological stimulants to create a one-of-a-kind nutrient additive specifically designed for the flowering and ripening of your plants. Bloombastic® is engineered to stimulate th... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 732581   $131.03 
 Atami® Bloombastic® 1250 ml/42.3 oz (12/case)   Atami   Atami® Bloombastic® 1250 ml/42.3 oz (12/case) 
ATAMI® Bloombastic® The hottest product to hit the market in a decade. The 'Bling Bling' for your plants, the Bloombastic® formula contains biological minerals in combination with our next generation ATA biological stimulants to create a one-of-a-kind nutrient additive specifically designed for the flowering and ripening of your plants. Bloombastic® is engineered to stimulate th... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 732580   $131.03 
 FLORALICIOUS PLUS 16OZ 12/CS   General Hydroponics    FLORALICIOUS PLUS 16OZ 12/CS 
General Hydroponics Floralicious Plus FLORALICIOUS PLUS 16OZ 12/CS Floralicious 2.8 - 0.08 - 0.02 Plus has high concentrations of vitamins, complex sugars, amino acids, phytostimulants, polyflavonoids, and aromatic oils in an organic fulvic base. Floralicious Plus also contains a liquid suspension of Bacillus Subtilis.Floralicious Plus enhances mineral nutrient uptake and tra... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 732209   $20.28 
 KoolBloom - 2.2 lbs. (12/cs)   General Hydroponics   KoolBloom - 2.2 lbs. (12/cs) 
KoolBloom - 2.2 lbs. (12/cs) (eco-2800A)KoolBloom 2-45-28 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 potency your pl... This item is sold individually. — Ships from Seattle, Washington USA....more info.
 eco-2800   $16.91 
 EARTH JUICE™ BLOOM 0-3-1 Organic - GALLON (4/CASE)   Earth Juice   EARTH JUICE™ BLOOM 0-3-1 Organic - GALLON (4/CASE) 
Earth Juice Liquid Organic Fertilizers EARTH JUICE BLOOM GALLON (4/CA All the Earth Juice formulas are derived from entirely natural sources. Formulated for vegetables, ornamentals, shrubs, trees and lawns. Designed for soil and soilless medias, indoor or outdoor use.No hidden NPK boosting syntheticsNo artificial additives, colors, or vitaminsNo added chlorine or formaldehyde... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 718685   $23.18 
 EARTH JUICE™ GROW 2-1-1 Organic - QUART (12/CASE)   Earth Juice   EARTH JUICE™ GROW 2-1-1 Organic - QUART (12/CASE) 
Earth Juice Liquid Organic Fertilizers EARTH JUICE GROW QUART (12/CS) All the Earth Juice formulas are derived from entirely natural sources. Formulated for vegetables, ornamentals, shrubs, trees and lawns. Designed for soil and soilless medias, indoor or outdoor use.No hidden NPK boosting syntheticsNo artificial additives, colors, or vitaminsNo added chlorine or formaldehyde... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 718655   $10.02 
 EARTH JUICE™ GROW 2-1-1 Organic -  GALLON (4/CASE)   Earth Juice   EARTH JUICE™ GROW 2-1-1 Organic - GALLON (4/CASE) 
Earth Juice Liquid Organic Fertilizers EARTH JUICE GROW GALLON (4/CAS All the Earth Juice formulas are derived from entirely natural sources. Formulated for vegetables, ornamentals, shrubs, trees and lawns. Designed for soil and soilless medias, indoor or outdoor use.No hidden NPK boosting syntheticsNo artificial additives, colors, or vitaminsNo added chlorine or formaldehyde... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 718660   $23.18 
 Atami® Bloombastic® 325 ml/11 oz (12/case)   Atami   Atami® Bloombastic® 325 ml/11 oz (12/case) 
ATAMI® Bloombastic® The hottest product to hit the market in a decade. The 'Bling Bling' for your plants, the Bloombastic® formula contains biological minerals in combination with our next generation ATA biological stimulants to create a one-of-a-kind nutrient additive specifically designed for the flowering and ripening of your plants. Bloombastic® is engineered to stimulate th... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 732500   $56.13 
 FLORANOVA™ GROW QUART (12/CASE)CASE   General Hydroponics    FLORANOVA™ GROW QUART (12/CASE)CASE 
General Hydroponics FloraNova Grow FLORANOVA GROW QUART (12/CASE) FloraNova Grow 7-4-10 represents a breakthrough in fertilizer technology, as it gives users both the strength of a dry concentrate and the ease of a liquid. This unique formulation of highly purified minerals and natural additives combines the benefits of hydroponic as well as organic gardening methods. FloraNo... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 718800   $16.18 
 EARTH JUICE™ BLOOM 0-3-1 Organic - QUART(12/CASE)   Earth Juice   EARTH JUICE™ BLOOM 0-3-1 Organic - QUART(12/CASE) 
Earth Juice Liquid Organic Fertilizers EARTH JUICE BLOOM QUART(12/CS) All the Earth Juice formulas are derived from entirely natural sources. Formulated for vegetables, ornamentals, shrubs, trees and lawns. Designed for soil and soilless medias, indoor or outdoor use.No hidden NPK boosting syntheticsNo artificial additives, colors, or vitaminsNo added chlorine or formaldehyde... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 718680   $10.02 
 FLORANOVA™ GROW GALLON (4/CASE)   General Hydroponics    FLORANOVA™ GROW GALLON (4/CASE) 
General Hydroponics FloraNova Grow FLORANOVA GROW GALLON (4/CASE) FloraNova Grow 7-4-10 represents a breakthrough in fertilizer technology, as it gives users both the strength of a dry concentrate and the ease of a liquid. This unique formulation of highly purified minerals and natural additives combines the benefits of hydroponic as well as organic gardening methods. FloraNo... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 718805   $51.47 
 EARTH JUICE™ CATALYST 0.03-0.01-0.10 Organic - QUART (12/CASE)   Earth Juice   EARTH JUICE™ CATALYST 0.03-0.01-0.10 Organic - QUART (12/CASE) 
Earth Juice Liquid Organic Fertilizers EARTH JUICE CATALYST (12/CASE) All the Earth Juice formulas are derived from entirely natural sources. Formulated for vegetables, ornamentals, shrubs, trees and lawns. Designed for soil and soilless medias, indoor or outdoor use.No hidden NPK boosting syntheticsNo artificial additives, colors, or vitaminsNo added chlorine or formaldehyde... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 718705   $10.02 
 EARTH JUICE™ CATALYST 0.03-0.01-0.10 Organic - GALLON (4/CASE)   Earth Juice   EARTH JUICE™ CATALYST 0.03-0.01-0.10 Organic - GALLON (4/CASE) 
Earth Juice Liquid Organic Fertilizers EARTH JUICE CATALYST GALLON (4 All the Earth Juice formulas are derived from entirely natural sources. Formulated for vegetables, ornamentals, shrubs, trees and lawns. Designed for soil and soilless medias, indoor or outdoor use.No hidden NPK boosting syntheticsNo artificial additives, colors, or vitaminsNo added chlorine or formaldehyde... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 718710   $23.18 
 FLORANOVA™ BLOOM QUART (12/CASE)ASE   General Hydroponics    FLORANOVA™ BLOOM QUART (12/CASE)ASE 
General Hydroponics FloraNova Bloom FLORANOVA BLOOM QUART (12/CASE FloraNova Bloom 2.8 - 0.08 - 0.02 represents a breakthrough in fertilizer technology, as it gives users both the strength of a dry concentrate and the ease of a liquid. This unique formulation of highly purified minerals and natural additives combines the benefits of hydroponic as well as organic gardening met... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 718810   $16.18 
 FLORALICIOUS PLUS QT. ( 12CASE   General Hydroponics    FLORALICIOUS PLUS QT. ( 12CASE 
General Hydroponics Floralicious Plus FLORALICIOUS PLUS QT. ( 12CASE Floralicious 2.8 - 0.08 - 0.02 Plus has high concentrations of vitamins, complex sugars, amino acids, phytostimulants, polyflavonoids, and aromatic oils in an organic fulvic base. Floralicious Plus also contains a liquid suspension of Bacillus Subtilis.Floralicious Plus enhances mineral nutrient uptake and t... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 732206   $35.82 
 HI-BRIX GALLONS 4/CS   Earth Juice   HI-BRIX GALLONS 4/CS 
Earth Juice™ Hi-Brix™ Molasses For Your Plants 0-0-3EARTH JUICE™ LIQUID ORGANIC FERTILIZERS: All the Earth Juice™ formulas are derived from entirely natural sources. Formulated for vegetables, ornamentals, shrubs, trees and lawns. Designed for soil and soilless medias, indoor or outdoor use. No hidden NPK boosting synthetics. No artificial additives, colors,... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 720446   $11.61 
Displaying 1 to 20 (of 439 products) Result Pages:  1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20 ...  [Next >>] 
Ads
Back
Amazon Ad
ebay 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