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    Best Seller
    Winchester Gardens Water Soluble Plant Food All Purpose Fertilizer, 1.5-Pound

    Winchester Gardens Water Soluble Plant Food All Purpose Fertilizer, 1.5-Pound

    Winchester Gardens' professional all purpose water soluble fertilizer is made from highest quality ingredients. Great for indoor and outdoor, this fertilizer provide the right NPK that your plants need, enhancing plants' growth. more

    $17.45

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    Grow More Mendocino Water Soluble Part A Fertilizer Grow, 25-Pound

    Grow More Mendocino Water Soluble Part A Fertilizer Grow, 25-Pound

    Grow More's Mendocino Producer's Choice line of water soluble fertilizers are the most advanced powders we've ever created. Formulated with the grower in mind, the redesigned formulas will totally change the game and maximize a plant's production... more

    $57.00

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    Best Seller
    Grow More 5556 Water Soluble Fertilizer 10-52-10, 25-Pound

    Grow More 5556 Water Soluble Fertilizer 10-52-10, 25-Pound

    Grow More Fertilizers are formulated to supply sufficient amounts of extra nutrients for high yields. High solubility, purity and the special forms of nitrogen, phosphorus and potassium make Grow More Fertilizers the ideal product. Great for flowers or... more

    $65.20

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    Grow More 5705 Water Soluble Fertilizer 30-10-10, 25-Pound

    Grow More 5705 Water Soluble Fertilizer 30-10-10, 25-Pound

    Grow More Fertilizers are formulated to supply sufficient amounts of extra nutrients for high yields. High solubility, purity and the special forms of nitrogen, phosphorus and potassium make Grow More Fertilizers the ideal product. A high nitrogen... more

    $54.23

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    Miracle-Gro Water Soluble Tomato Plant Food, 3-Pound (Tomato Fertilizer)

    Miracle-Gro Water Soluble Tomato Plant Food, 3-Pound (Tomato Fertilizer)

    Miracle-Gro Water Soluble Tomato Plant Food instantly feeds to grow bigger, more bountiful tomatoes and vegetables compared to unfed plants. Use our plant food with the Miracle-Gro Garden Feeder or any watering can, and feed every 1-2 weeks. Safe for... more

    $13.99

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    Grow More Mendocino Water Soluble Fertilizer Bloom, 25-Pound

    Grow More Mendocino Water Soluble Fertilizer Bloom, 25-Pound

    Grow More's Mendocino Producer's Choice line of water soluble fertilizers are the most advanced powders we've ever created. Formulated with the grower in mind, the redesigned formulas will totally change the game and maximize a plant's production... more

    $78.07

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    Grow More 5067 20-10-20 Water Soluble Fertilizer, 25-Pound

    Grow More 5067 20-10-20 Water Soluble Fertilizer, 25-Pound

    Grow More Fertilizers are formulated to supply sufficient amounts of extra nutrients for high yields. High solubility, purity and the special forms of nitrogen, phosphorus and potassium make Grow More Fertilizers the ideal product. Water Soluble Grow... more

    $52.25

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    3-0-20 Biopak Plus Micronutrient Fertilizer (Biopak Plus Micronutrient Fertilizer 3-0-20), White (Oils) #2756560X

    3-0-20 Biopak Plus Micronutrient Fertilizer (Biopak Plus Micronutrient Fertilizer 3-0-20), White (Oils) #2756560X

    The BioPak Plus Micronutrient fertilizer is ideal for most any landscape planting, including lawns. It is ideal for promoting rich, green color and quicker plant establishment. BioPak Plus is a dry, water soluble plant micronutrient fertilizer with... more

    $18.49

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    Proven Winners Premium Water Soluble Fertilizer, 2.5 lb. Container

    Proven Winners Premium Water Soluble Fertilizer, 2.5 lb. Container

    This special blend of Water Soluble Fertilizer designed by professional growers is made specifically for heavy-flowering, fast-growing plants like Proven Winners. The fast-acting blend of nutrients easily absorbs when mixed in water and quickly... more

    $31.49

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    Nature Blue Plant Food™ 20-10-20 Formula - 1.5 lb Concentrated Makes 75+ Gallons

    Nature Blue Plant Food™ 20-10-20 Formula - 1.5 lb Concentrated Makes 75+ Gallons

    Very popular formula, packed with micronutrients to provide those necessary elements you won't find in most fertilizers. A professional grade, water-soluble fertilizer. This enhanced formulation dissolves faster and cakes less than other top brands.... more

    $18.98

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    Jobe's 08255 Organics Water Soluble All Purpose Fertilizer, 5 Oz, As Shown

    Jobe's 08255 Organics Water Soluble All Purpose Fertilizer, 5 Oz, As Shown

    Jobe's Organics Water-Soluble All Purpose Fertilizer is an organic, environmentally friendly, water-soluble solution for healthy, beautiful plants. Jobe's synergistic blend of Biozome plus organic plant nutrients and beneficial microbial species are... more

    $6.99

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    Jobes 08272 Bursting Blooms Water Soluble Fertilizer, 20 Oz

    Jobes 08272 Bursting Blooms Water Soluble Fertilizer, 20 Oz

    Highlights: Size: 20 Oz Water Soluble Organics 100% natural with microorganisms Perfect solution for your organic garden Just measure the right dosage using the enclosed measuring spoon and apply to plants by mixing in a watering can or spray... more

    $23.40

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    Grow More Cold Water 20-20-20 Soluble Concentrated Plant Fertilizer, 25 Pounds, Green

    Grow More Cold Water 20-20-20 Soluble Concentrated Plant Fertilizer, 25 Pounds, Green

    Ready or not, here we grow! When you invest in the plant power of Grow More Water Soluble Concentrated Plant Fertilizer, you'll be knee deep in green in no time. This 25-pound bag has plenty of concentrated fertilizer for all your indoor gardening,... more

    $52.15

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    Easy Gardener 08271 Organic Water Soluble Burst Blooms Fertilizer, 10-oz. - Quantity 1, As Shown

    Easy Gardener 08271 Organic Water Soluble Burst Blooms Fertilizer, 10-oz. - Quantity 1, As Shown

    10 OZ, Jobe's Organics Water Soluble Burst Blooms Fertilizer, Makes 40 Gallons Of Fertilizer, Eco Friendly, Contains Jobe's Biozome Plus Proprietary Blends Of Organic Nutrients, Bio-Stimulants and Beneficial Microorganism To Help Soil Conditions and... more

    $12.27

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    NPK Industries Raw Humic Acid Fertilizers, 2-Ounce

    NPK Industries Raw Humic Acid Fertilizers, 2-Ounce

    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... more

    $9.26

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    NPK Industries Raw Nitrogen Fertilizers, 2-Pound

    NPK Industries Raw Nitrogen Fertilizers, 2-Pound

    Raw nitrogen is a soluble plant supplement that is used for horticultural purposes. Raw nitrogen contains 20% Ammoniacal nitrogen. This raw form of fully water soluble nitrogen does not contain nitrates or urea which enables it to be applied at all... more

    $50.80

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    NPK Industries Raw B-Vitamin Fertilizers, 2-Pound

    NPK Industries Raw B-Vitamin Fertilizers, 2-Pound

    Raw b-vitamin is a soluble plant supplement that is used for horticultural purposes. Raw b-vitamin contains 1% vitamin b1. This product contains the highest concentration of fully water soluble vitamin b1 available to the home gardener. Raw b-vitamin... more

    $70.59

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    NPK Industries Raw OminA Fertilizers, 8-Ounce

    NPK Industries Raw OminA Fertilizers, 8-Ounce

    Raw mina (essential) is a soluble plant supplement that is used for horticultural purposes. Raw mina (essential) is derived from plant protein hydrolysate. This product is fully water soluble which contains an essential form of vegan nitrogen that can... more

    $32.40

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    NPK Industries Raw Nitrogen Fertilizers, 2-Ounce

    NPK Industries Raw Nitrogen Fertilizers, 2-Ounce

    Raw nitrogen is a soluble plant supplement that is used for horticultural purposes. Raw nitrogen contains 20% Ammoniacal nitrogen. This raw form of fully water soluble nitrogen does not contain nitrates or urea which enables it to be applied at all... more

    $7.97

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    Down To Earth Kelp Meal Fertilizer, 50 lb.

    Down To Earth Kelp Meal Fertilizer, 50 lb.

    Down To Earth™ Kelp Meal is pure Ascophyllum nodosum seaweed from the clean, cold waters of the North Atlantic Ocean. Hand-harvested, carefully dried and finely milled, our Kelp Meal is a rich natural source of Potash and is ideal for early Spring or... more

    $145.11

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    NPK Industries Raw Humic Acid Fertilizers, 2-Pound

    NPK Industries Raw Humic Acid Fertilizers, 2-Pound

    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... more

    $64.30

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    NPK Industries Raw OminA Fertilizers, 2-Ounce

    NPK Industries Raw OminA Fertilizers, 2-Ounce

    Raw mina (essential) is a soluble plant supplement that is used for horticultural purposes. Raw mina (essential) is derived from plant protein hydrolysate. This product is fully water soluble which contains an essential form of vegan nitrogen that can... more

    $11.27

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    NPK Industries 717896 Raw Nitrogen Fertilizer, 10 lb

    NPK Industries 717896 Raw Nitrogen Fertilizer, 10 lb

    RAW Nitrogen is a soluble plant supplement that is used for horticultural purposes. RAW Nitrogen contains 20% Ammoniacal Nitrogen. This RAW form of fully water soluble Nitrogen does not contain nitrates or urea which enables it to be applied at all... more

    $145.25

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    NPK Industries Raw B-Vitamin Fertilizers, 2-Ounce

    NPK Industries Raw B-Vitamin Fertilizers, 2-Ounce

    Raw b-vitamin is a soluble plant supplement that is used for horticultural purposes. Raw b-vitamin contains 1% vitamin b1. This product contains the highest concentration of fully water soluble vitamin b1 available to the home gardener. Raw b-vitamin... more

    $9.33

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    NPK Industries 717908 Raw Phoshorus Fertilizer, 10 lb

    NPK Industries 717908 Raw Phoshorus Fertilizer, 10 lb

    Raw phosphorus is a soluble plant supplement that is used for horticultural purposes. Raw phosphorus contains 61% available phosphate which is the highest concentration of fully water soluble phosphorus available to the home gardener. This product is... more

    $165.57

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    NPK Industries Raw B Vitamin Fertilizers, 8 oz.

    NPK Industries Raw B Vitamin Fertilizers, 8 oz.

    Contains 1% vitamin b1, highest concentration of fully water soluble vitamin b1 available to the home gardener, can be used at all stages of growth and flowering. more

    $21.76

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    NPK Industries Raw Full up Fertilizers, 2-Pound

    NPK Industries Raw Full up Fertilizers, 2-Pound

    Raw full up (uptake) is a soluble plant supplement that is used for horticultural purposes. Raw full up (uptake) contains 10% humic acids derived from peat. This product is fully water soluble and may increase micronutrient uptake. A 2 oz. package of... more

    $82.13

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    NPK Industries Raw Full up Fertilizers, 8-Ounce

    NPK Industries Raw Full up Fertilizers, 8-Ounce

    Raw full up (uptake) is a soluble plant supplement that is used for horticultural purposes. Raw full up (uptake) contains 10% humic acids derived from peat. This product is fully water soluble and may increase micronutrient uptake. A 2 oz. package of... more

    $25.15

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    NPK Industries Raw Calcium/Magnesium Fertilizers, 2-Pound

    NPK Industries Raw Calcium/Magnesium Fertilizers, 2-Pound

    Raw calcium/mag is a soluble plant supplement that is used for horticultural purposes. Raw calcium/mag contains 15% calcium and 3% magnesium. Raw calcium/mag is an optimum ratio of fully water soluble calcium and magnesium. A 2 oz. package of raw... more

    $55.56

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    NPK Industries 717878 Raw Full Up Fertilizer, 10 lb

    NPK Industries 717878 Raw Full Up Fertilizer, 10 lb

    RAW Full Up (uptake) is a soluble plant supplement that is used for horticultural purposes. RAW Full Up (uptake) contains 10% Humic Acids derived from peat. This product is fully water soluble and may increase micronutrient uptake. A 2 oz package of... more

    $383.17

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    Potassium Hydroxide 4oz-20 Lb (Caustic Potash) Food Grade[8oz], Grey

    Potassium Hydroxide 4oz-20 Lb (Caustic Potash) Food Grade[8oz], Grey

    This is the highest quality food grade potassium hydroxide available. Potassium hydroxide (KOH), is an inorganic compound. It is a white solid, highly caustic metallic base and alkali salt. Potassium hydroxide is more soluble in water, ethanol and... more

    $8.50

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    NPK Industries Raw Calcium/Magnesium Fertilizers, 2-Ounce

    NPK Industries Raw Calcium/Magnesium Fertilizers, 2-Ounce

    Raw calcium/mag is a soluble plant supplement that is used for horticultural purposes. Raw calcium/mag contains 15% calcium and 3% magnesium. Raw calcium/mag is an optimum ratio of fully water soluble calcium and magnesium. A 2 oz. package of raw... more

    $9.65

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    NPK Industries 717866 Raw Calcium/Mag Fertilizer, 10 lb

    NPK Industries 717866 Raw Calcium/Mag Fertilizer, 10 lb

    RAW Calcium/Mag is a soluble plant supplement that is used for horticultural purposes. RAW Calcium/Mag contains 15% calcium and 3% magnesium. RAW Calcium/Mag is an optimum ratio of fully water soluble calcium and magnesium. A 2 oz package of RAW... more

    $183.77

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    Grow More 721574 Mendocino All Purpose Fertilizer, 25 lb

    Grow More 721574 Mendocino All Purpose Fertilizer, 25 lb

    Grow More's Mendocino Producer's Choice line of fertilizers are the most advanced powders we've ever created. They are 100% water soluble formulas containing a properly balanced mixture of all essential plant nutrients with quality-enhancing elements;... more

    $55.85

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    NPK Industries Raw Yucca Fertilizers, 2-Ounce

    NPK Industries Raw Yucca Fertilizers, 2-Ounce

    Raw yucca is a wetting agent used for horticultural purposes. Raw yucca is 100% yucca extract. This product is fully water soluble and can be used to supplement any nutrient program or foliar spray regimen. A wetting agent is beneficial to nutrient... more

    $18.00

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    Hydro Organics/Earth Juice 0-50-30 HOH37278 Bloom Master Fertilizer, 40 lb

    Hydro Organics/Earth Juice 0-50-30 HOH37278 Bloom Master Fertilizer, 40 lb

    Bloom Master & trade; is a concentrated water-soluble bud & bloom plant food supplement designed to increase the production of blooms, essential oils, resins and fragrances of flowering and fruiting plants. To be used as part of a complete fertilizer... more

    $193.03

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    Hydro Organics/Earth Juice HOH35128 SeaBlast 8-39-14 Transition Fertilizer, 40 lb

    Hydro Organics/Earth Juice HOH35128 SeaBlast 8-39-14 Transition Fertilizer, 40 lb

    SeaBlast Transition & trade; is a water-soluble plant food to be used during the period between budding and full flower production. Formulated to promote stem and leaf growth while encouraging the development of blooms and the production of essential... more

    $190.21

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    Horticare 716021 Check PPM Nutrient Fertilizer

    Horticare 716021 Check PPM Nutrient Fertilizer

    The function of a nutrient solution or fertilizer mixture is to supply the plant roots with water, oxygen & essential mineral elements in soluble form. Each plant has its preferred nutrient concentration to facilitate the absorption process to the... more

    $74.93

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    Nature's Solution NTMY8 Organic Mycorrhizae Fertilizer, 8 oz

    Nature's Solution NTMY8 Organic Mycorrhizae Fertilizer, 8 oz

    Nature's Solution Mycorrhizae is a concentrated water-soluble form of microbes for planting and transplanting. This is a fertilizer that aids nutrient uptake. Contains a diversity of microbes: 6 endomycorrhizal fungi species and 5 ectomycorrhizal fungi... more

    $15.18

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    JR Peter's 77860 Jack's Professional Peat Lite 20-10-20 Fertilizer, 25 lb

    JR Peter's 77860 Jack's Professional Peat Lite 20-10-20 Fertilizer, 25 lb

    A professional grade, water-soluble fertilizer that has increased levels of micronutrients to provide the necessary elements absent from most commercially made peat-lite potting media. this Enhanced formulation dissolves faster and cakes less than... more

    $67.99

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    More information about Fertilizers

    Best prices on Water soluble potash fertilizer in Fertilizers online. Visit Bizrate to find the best deals on top brands. Read reviews on Home & Garden merchants and buy with confidence.