Horticulture Source » Gardening & Hydroponics Store » Nutrients & Supplements   Mobile   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 in 91 Countries! Thank you for your business!
Categories
* Lamps / Tubes / Bulbs ++ (538)
* Lighting Systems ++ (1169)
! Nutrients & Supplements (4236)
* Composters & Compost Tea Brewing (43)
* Organic Gardening (539)
* Leaf Shines & Washes (97)
* Pest & Disease Control (572)
* Cloning & Propagation (449)
* Grow Systems ++ (657)
* Meters, Timers & Instruments ++ (645)
* Pots / Containers (1026)
* Pumps, Irrigation & Watering Supplies ++ (1671)
* Grow Media (537)
* Plant Seeds (60)
* Environmental Control ++ (1954)
* Greenhouses (89)
* Grow Rooms / Tents (166)
* Reflective / B&W Films (141)
* Garden Accessories ++ (1007)
* Hand Tools ++ (538)
* Gardening Books & DVDs (58)
* Growing Apparel & Bags (98)
Manufacturers more
What's New? more
One Way to Bloom 2.5 lbs / 1 kg (6/Cs)
720408
One Way to Bloom 2.5 lbs / 1 kg (6/Cs)
$43.13
Quick Find
Quick Find
Use keywords to find the product you are looking for.
Advanced Search

Information
Who else is online?
There are 25 guests and 
1 logged in customer online.
Frequent searches
Ads

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 241 to 260 (of 4236 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 
 Dyna-Gro Grow, 1 pt   Dyna-Gro   Dyna-Gro Grow, 1 pt 
Dyna-Gro Dyna-Gro Grow, 1 pt (DYGRO016)Dyna-Gro Liquid Grow 7-9-5 is an all-purpose complete nutrition formula containing all 6 essential macronutrients and all 10 essential micronutrients that every plant needs. Grow 7-9-5 can be used to promote both foliage and blooms. Ideal for poor, rocky soils, container grown plants and hydroponics. Use Grow 7-9-5 as a rapid cure for nutrient... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-DYGRO016   $7.99 
 Dyna-Grow Bloom 1 pt   Dyna-Gro   Dyna-Grow Bloom 1 pt 
Dyna-Gro Dyna-Grow Bloom 1 pt (DYBLM016)Dyna-Gro Bloom 3-12-6 is a low nitrogen, high phosphorus formula containing all 6 essential macronutrients and all 10 essential micronutrients that plants need. It is formulated to encourage development of large, vibrant blooms and is ideal for roses, orchids, African violets, and other flowering plants. Apply before flower buds app... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-DYBLM016   $7.99 
 RAW B-Vitamin - 2 oz   NPK Industries   RAW B-Vitamin - 2 oz 
Calcium is essential for living organisms, in particular in cell physiology, where movement of the calcium ion into and out of the cytoplasm functions as an important signal for many cellular processes. Supplement any feeding program. Easy to use. Fully soluble. RAW Calcium/Mag is a fully water soluble calcium additive which dissolves quickly in water without any re... — Ships from DL: Livermore, California USA....more info.
 dl-NPK270   $8.02 
 RAW Kelp - 2 oz   NPK Industries   RAW Kelp - 2 oz 
This soluble Kelp has been used on food crops for over 10 years with fantastic results. Ideal for use in gardens, houseplants, lawns, trees, greenhouses, rowcrops, ornamentals, and pastures. Supplement any feeding program. Easy to use. Fully soluble.... — Ships from DL: Livermore, California USA....more info.
 dl-NPK320   $8.02 
 X Nutrients Silica (1 Quart)      X Nutrients Silica (1 Quart) 
X Nutrients Silica (1 Quart) Silica provides increased levels of potassium and silicon helping to strengthen plant tissue by building stronger cell walls. This helps plants to combat adverse conditions such as heat, drought, frost and from insects. Available in 1 Quart 1 Gallon 2.5 Gallons 5 Gallons 15 Gallons 55 Gallons Refer to feeding schedules for amounts and usag... — Ships from DL: Livermore, California USA....more info.
 dl-xnHSILICA-1Q   $8.03 
 X Nutrients Silica (32oz)      X Nutrients Silica (32oz) 
X Nutrients Silica (32oz) (HSILICA-1QT)Silica provides increased levels of potassium and silicon helping to strengthen plant tissue by building stronger cell walls. This helps plants to combat adverse conditions such as heat, drought, frost and from insects. Manufacturer's Product Information ... — LTL Shipping Required. — Ships from DL: Livermore, California USA....more info.
 dl-HSILICA-1QT   $8.03 
 Flora Bloom Quart   General Hydroponics   Flora Bloom Quart 
General Hydroponics FloraBloom FLORA BLOOM QUART FloraBloom 0-5-4 stimulates flower and fruit development. Enhances flavor, aroma and essential oils. Provides high phosphorous, potassium, magnesium and sulfur.FLORA SERIES - This three part series continues to be a big seller in the hydroponic industry. The flexibility to custom blend the formulas is an attractive benefit to b... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 718010   $8.04 
 GHBB® FLORA GRO™ QUART   General Hydroponics   GHBB® FLORA GRO™ QUART 
General Hydroponics Floragro FLORA GRO QUART 12/CASE Floragro (2 - 1 - 6)Stimulates structural and vegetative growth. Builds strong roots. Provides nitrogen, phosphorous, potassium and secondary minerals.FLORA SERIES - This three part series continues to be a big seller in the hydroponic industry. The flexibility to custom blend the formulas is an attractive benefit to beginn... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 718040   $8.04 
 Sea Cal 8 oz.   Humboldt Nutrients   Sea Cal 8 oz. 
Humboldt Nutrients Sea Cal 8 oz. (HNK400)NPK 2-0-0 Humboldt Nutrients Sea Cal was designed in Humboldt County to be a powerful additive for hydroponics and all growing mediums. Sea-Cal may be utilized for any type of vegetable, flower or herb. Sea Cal is a highly concentrated growth enhancer and calcium supplement that offers vital nitrogen and calcium in the specific ratios necess... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HNK400   $8.08 
 MAXICROP® LIQUID SEAWEED PLUS IRON 2% 0.1-0.0-1.0 - QUART (12/CASE)   maxicrop   MAXICROP® LIQUID SEAWEED PLUS IRON 2% 0.1-0.0-1.0 - QUART (12/CASE) 
Maxicrop® Plus Iron MAXICROP PLUS IRON2% QUART (12 Maxicrop® Plus Iron (0.1 - 0.0 - 1.0)For acid loving indoor & outdoor plants. Made from seaweed harvested from the perfect environs of the mineral rich waters of the Norwegian coastline Manufacturer's Product Information 2007 MSRP Each $... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 718610   $8.11 
 Rainbow Mix "PRO" Grow, 2 lbs   HydroFarm   Rainbow Mix "PRO" Grow, 2 lbs 
Hydro Organics Rainbow Mix "PRO" Grow, 2 lbs (HOJ50352)Designed for today's "High Performance Gardening". A powerful blend of all natural ingredients and 29 different strains of Mycorrhizae and beneficial microbes. Can be used as a Pre-Mix, Booster, Top and Side Applications, and Brews a "Mean" Plant Tea. Contains the following non-plant food ingredients:Mycorrhizae, Pisolithus ti... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HOJ50352   $8.15 
 Rainbow Mix "PRO" Bloom, 2 lbs   HydroFarm   Rainbow Mix "PRO" Bloom, 2 lbs 
Hydro Organics Rainbow Mix "PRO" Bloom, 2 lbs (HOJ50372)Designed for today's "High Performance Gardening". A powerful blend of all natural ingredients and 29 different strains of Mycorrhizae and beneficial microbes. Can be used as a Pre-Mix, Booster, Top and Side Applications, and Brews a "Mean" Plant Tea. Contains the following non-plant food ingredients:Mycorrhizae, Pisolithus ti... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HOJ50372   $8.15 
 FoxFarm Bushdoctor Wholly Mackerel Pint (12/Cs)   FoxFarm   FoxFarm Bushdoctor Wholly Mackerel Pint (12/Cs) 
FoxFarm® BushDoctor® Wholly Mackerel™ 3 - 1 - 0 Wholly Mackerel™ is a liquid plant nutrient derived from marine fish species. It is an enzymatically digested product. Wholly Mackerel™ provides readily available amounts of organic nitrogen, phosphorus and potassium to growing plants. Our extra strength fish fertilizer contains 20 different amino acids, 13 vitamins and 8 minerals in... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 732938   $8.16 
 Down To Earth Greensand - 6 lb   Down to Earth   Down To Earth Greensand - 6 lb 
Greensand has been used as a soil amendment and conditioner since the early 1700s. Naturally occurring in marine sedimentary deposits, our Greensand is derived from the mineral Glauconite, a rich source of Potash and Iron. Greensand also has unique physical properties that are claimed to help loosen compacted clay soils and improve the moisture holding capacity of sandy loams.... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 723718   $8.16 
 Roots Organics Super Phos Bat Guano 3 lb (3/Cs)   Aurora Innovations   Roots Organics Super Phos Bat Guano 3 lb (3/Cs) 
Roots Organics Super Phos Bat Guano is incredibly high in phosphorus and calcium and is extracted from select caves when the quality is at its highest. Potent and powerful high phosphorus guano consciously extracted to not disturb the bat colonies and to provide an unparalleled completely natural source of phosphorus and calcium. Roots organics Super Phos Bat Guano is fast acting a... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 715102   $8.22 
 Hesi Phosphorus Plus 500 ML      Hesi Phosphorus Plus 500 ML 
Hesi Phosphorus Plus 500 ML (HES5044)Hesi Phosphorus Plus Hesi Phosphorus Plus is used in combination with Bloom Complex in the second half of the flowering phase. During flowering, the plant develops an increased need for phosphorus and potassium. Using Phosphorus Plus, we give plants what they need when they need it. Thanks to the use of high-quality ingredients, the plants ab... — Ships from DL: Livermore, California USA....more info.
 dl-HES5044   $8.25 
 RAW Humic Acid, 2 oz   NPK Industries   RAW Humic Acid, 2 oz 
RAW Humic Acid is a soluble plant supplement that is used for horticultural purposes. RAW Humic Acid contains 59% Humic Acids. This product contains the highest concentration of fully water Soluble Humic Acids available to the home gardener. RAW Humic Acid can be used at all stages of growth and flowering. A 2 oz package of RAW Humic Acid makes up to 200 gallons, an 8 oz package m... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-OG3100   $8.26 
 RAW Silica, 2 oz   NPK Industries   RAW Silica, 2 oz 
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: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-OG3700   $8.26 
 Bloom quart   Cutting Edge Solutions   Bloom quart 
Cutting Edge Solutions Bloom quart (CES2302)CES BLOOM is the second component of the base three part blooming formula, to be used in conjunction with the MICRO. 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 photosyn... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-CES2302   $8.27 
 Grow quart   Cutting Edge Solutions   Grow quart 
Cutting Edge Solutions Grow quart (CES2202)CES GROW is another component of the CES base 3-part. To be used in the vegetative stage, GROW adds more Nitrogen for growth, and Potassium to enhance the plant's photosynthetic rate and energy transfer throughout the plant. GROW is used only in the vegetative stage and is completely omitted during the blooming stage. ... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-CES2202   $8.27 
Displaying 241 to 260 (of 4236 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
Shopping Cart more
0 items - Add an item to the cart to get a quote!
 Get Quote by adding products to the cart!
Shop By Price
Reviews more
HM Digital Waterproof pH Meter Model PH-200
Its a great meter Ive had mine for about 3 years and the onl ..
5 of 5 Stars!
BizRate Customer Certified (GOLD) Site - HorticultureSource.com -Specialty Gardening Supply Reviews at Bizrate


Specials more
BOTANICARE® PUREBLEND™ ORIGINAL BLOOM 0.5-0.5-1 - GALLON (4/CASE)
BOTANICARE® PUREBLEND™ ORIGINAL BLOOM 0.5-0.5-1 - GALLON (4/CASE)
$16.35
$14.56
Most Viewed in Plant Food, Nutrients, Fertilizers & Supplements - Primary & Secondary, Essential & Minor Elements, Macronutrients, Micronutrients
SUPERTHRIVE™ 4 OZ (12/CASE)
SUPERTHRIVE™ 4 OZ (12/CASE)
Nutrient Trio-Soil Formula, 3 qts
Nutrient Trio-Soil Formula, 3 qts
PURPLE MAXX 8 OZ
PURPLE MAXX 8 OZ
FOX FARM BIG BLOOM™ 0-4-0 QUART (12/CASE)
FOX FARM BIG BLOOM™ 0-4-0 QUART (12/CASE)
EARTH JUICE™ BLOOM 0-3-1 Organic - QUART(12/CASE)
EARTH JUICE™ BLOOM 0-3-1 Organic - QUART(12/CASE)
TECHNAFLORA® RECIPE FOR SUCCESS STARTER KIT (10/CASE)
TECHNAFLORA® RECIPE FOR SUCCESS STARTER KIT (10/CASE)
SUPERTHRIVE™ GALLON (4/CASE)
SUPERTHRIVE™ GALLON (4/CASE)
BOTANICARE® LIQUID KARMA™ QUARTS (12/CASE)
BOTANICARE® LIQUID KARMA™ QUARTS (12/CASE)
Botanicare Cal-Mag Plus Quart (12/Cs)
Botanicare Cal-Mag Plus Quart (12/Cs)
FLORA BLOOM GALLON
FLORA BLOOM GALLON
SIPCO® HYGROZYME™ - 1 LITER (12/CASE)
SIPCO® HYGROZYME™ - 1 LITER (12/CASE)
FOX FARM GROW BIG® QUART (12/CASE)
FOX FARM GROW BIG® QUART (12/CASE)
FOX FARM BEASTIE BLOOMZ®  1LB (0- 50- 30)
FOX FARM BEASTIE BLOOMZ® 1LB (0- 50- 30)
GHBB® FLORA GRO™ GALLON (4/CASE)
GHBB® FLORA GRO™ GALLON (4/CASE)
GH Flora Series Performance Pack
GH Flora Series Performance Pack
FOX FARM TIGER BLOOM® QUART (12/CASE)
FOX FARM TIGER BLOOM® QUART (12/CASE)
FOX FARM OPEN SESAME® 1 LB (5- 45- 19)
FOX FARM OPEN SESAME® 1 LB (5- 45- 19)
EARTH JUICE™ GROW 2-1-1 Organic - QUART (12/CASE)
EARTH JUICE™ GROW 2-1-1 Organic - QUART (12/CASE)
GHBB® FLORA MICRO™ GALLON (4/CASE)
GHBB® FLORA MICRO™ GALLON (4/CASE)
TECHNAFLORA® SOLUBLE SEAWEED EXTRACT 1-1-16 - OMRI LISTED 225G. (12/CASE)
TECHNAFLORA® SOLUBLE SEAWEED EXTRACT 1-1-16 - OMRI LISTED 225G. (12/CASE)
Bestsellers
01.SUPERTHRIVE™ 4 OZ (12/CASE)
02.FLORA BLOOM GALLON
03.SUPERTHRIVE™ 2 OZ (24/CASE)
04.GHBB® FLORA MICRO™ GALLON (4/CASE)
05.Botanicare Cal-Mag Plus Quart (12/Cs)
06.GHBB® FLORA GRO™ GALLON (4/CASE)
07.FOX FARM BIG BLOOM™ 0-4-0 QUART (12/CASE)
08.BOTANICARE® LIQUID KARMA™ QUARTS (12/CASE)
09.Flora Bloom Quart
10.SUPERTHRIVE™ GALLON (4/CASE)
11.GHBB® LIQUID KOOLBLOOM™ QT 12/CASE
12.GHBB® FLORA GRO™ QUART
13.FOX FARM TIGER BLOOM® QUART (12/CASE)
14.BOTANICARE® LIQUID KARMA™ GALLON (4/CASE)
15.FOX FARM BIG BLOOM™ 0-4-0 GALLON (4/CASE)
Languages
English Deutsch Español
Currencies
Feeds
RSS 2.0
Google Sitemap
ROR Sitemap
ROR Feed
Ads
Amazon Ad
Matched Content
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
APO/FPO addresses are no problem.
International orders are always welcome!
UPSFedExUSPS OnTrac CalOver EstesR+LSouthEasternSAIA
Copyright © 2005 — 2017 Usisu, Inc.: Conditions of Use VISAMasterCardAmerican ExpressDiscoverDiners ClubJBCPayPal Money Order