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Hydroponic & Organic Gardening

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Grodan Grodan Grow-Cubes, 5.07 cu ft (loose in box)

Loose substrate, firm benefitsAre you looking for a porous and rigid substrate for your container cultivation? And do your cultivation methods place ease of watering high on your wish list? Then Grodan Growcube or Growchunk is the substrate for you. Groda

Grodan Grow-Cubes, 5.07 cu ft (loose in box)

$154.99

Grodan Grodan Delta 4G No Hole Case/384

Made in Denmark since 1969, stonewool is widely recognized as the ideal growing substrate. For any growing application, stonewool offers speed, ease of use, and cleanliness. Grodan stonewool is known for its quality, consistency and performance.

Grodan Delta 4G No Hole Case/384

$369.05

Grodan Grodan Gro Block Improved Big Mama 8"x 8"x 8" No Hole - Case/18

The largest block ever produced by Grodan, the Big Mama measures 8" x 8" x 8" and contains well over twice as much wool as the popular Hugo block. This block is big enough to grow a large plant for its entire life. When a plant outgrows its current block,

Grodan Gro Block Improved Big Mama 8"x 8"x 8" No Hole - Case/18

$195.99

Grodan Grodan A-OK 36/40 6/15 Starter Cubes 1.5" x 1.5" Sheet of 98 - Case of 30

Grodan offers 1.5" and 2" tapered starter cubes. The 1.5" cubes are sold in a sheet of 98, and the 2" are sold in a sheet of 50. These cubes are for starting seeds or cuttings and transplanting into the medium of your choice, or you can continue in ro

Grodan A-OK 36/40 6/15 Starter Cubes 1.5" x 1.5" Sheet of 98 - Case of 30

$566.99

Measure Master Graduated Round Measuring Container 8 oz /250 ml

All-purpose Measure Master® Graduated Containers feature easy to read U.S. ounce and metric milliliter graduations. Positioned right on the container is our simple conversion chart for use as a reference guide for other commonly used measurements. Mea

Graduated Round Measuring Container 8 oz /250 ml

$4.48

Measure Master Graduated Round Measuring Container 500 ml

All-purpose Measure Master® Graduated Containers feature easy to read U.S. ounce and metric milliliter graduations. Positioned right on the container is our simple conversion chart for use as a reference guide for other commonly used measurements. Mea

Graduated Round Measuring Container 500 ml

$7.55

Botanicare Botanicare Sweet Carbo Berry gal

Sweet Berry is scientifically formulated for the biosynthesis of crucial compounds to maintain optimal metabolism and contains select carbohydrates for amplified energy, increased sugar/brix content and plant biomass, esters and bio-polyphenolic compounds

Botanicare Sweet Carbo Berry gal

$52.85

$52.85

Botanicare Botanicare PB PRO Grow qt

Pure Blend Pro Grow is a premium, one-part, plant food for use in soil, coco and container gardens or soilless hydroponic applications. Pure Blend Pro® Grow is beneficial for fruits, flowers, vegetables, houseplants, shrubs, cacti and succulents. For best

Botanicare PB PRO Grow qt

$30.68

$18.41

Seed Savers Lettuce - Red Velvet (organic)

Absolutely striking appearance. Tops of leaves are solid maroon, and the backs are green tinged with maroon. SSE is proud to have reintroduced this variety in 2002. Slow to bolt. Looseleaf, 55 days. Â±28,000 seeds/oz.

Lettuce - Red Velvet (organic)

$3.99

Seed Savers Pepper - Fish (organic)

The 3"-long, colorful, striped peppers of this variety are borne on 2'-tall plants with beautiful variegated foliage. Traditionally used in oyster and crab houses around Chesapeake Bay, this 19th century African-American heirloom was first offered by Will

Pepper - Fish (organic)

$3.99

Seed Savers Watermelon - Blacktail Mountain (organic)

Gorgeous green-black round fruits weigh 6-12 pounds. Deep scarlet flesh is super sweet, juicy, and crunchy. Perfect for short season areas; also does well in hot humid climates. Bred by SSE member Glenn Drowns in the 1970s when he lived in northern Idaho,

Watermelon - Blacktail Mountain (organic)

$3.99

Seed Savers Pepper - Aji Cristal

Pepper species are native to the Americas and have been cultivated for thousands of years. The Spanish and Portuguese brought them back to Europe and to their colonies in Africa and Asia. From there peppers continued to spread and develop.The chemical in

Pepper - Aji Cristal

$3.99

Seed Savers Lettuce - Baby Oakleaf

A dwarf, compact version of Green Oakleaf. Tasty and tender medium green leaves are oakleaf-shaped with rounded lobes. Holds for an extended period. Looseleaf, 50 days. Â±31,000 seeds/oz.

Lettuce - Baby Oakleaf

$3.99

Seed Savers Brussels Sprouts - Long Island Improved

A single stalk of this variety can bear 50-100 dark-green Brussels sprouts (florets) over an extended period. Compact plants produce sturdy spikes with edible florets that mature from the bottom up and take on sweeter tones after a light frost. Introduced

Brussels Sprouts - Long Island Improved

$3.99

Seed Savers Pepper - Miniature Yellow Bell (organic)

Short stocky plants covered with lovely 2" long miniature bell peppers with an excellent fresh flavor. A friend gave the yellow and red versions to SSE member Lucina Cress of Ohio. She stuffed the peppers with cabbage and pickled and canned them to sell a

Pepper - Miniature Yellow Bell (organic)

$3.99

Seed Savers Pepper - Miniature Red Bell (organic)

Short stocky plants covered with lovely 2" long miniature bell peppers with an excellent fresh flavor. A friend gave the yellow and red versions to SSE member Lucina Cress of Ohio. She stuffed the peppers with cabbage, pickled and canned them to sell at h

Pepper - Miniature Red Bell (organic)

$3.99

Integra Boost Integra Boost 8g Humidiccant 55%

Integra Boost Humidiccant uses patent pending technology that releases or absorbs moisture, maintaining relative humidity in a contained environment at or about 55% relative humidity. Each individually wrapped Integra Boost packet includes a replacement i

Integra Boost 8g Humidiccant 55%

$0.99

Flying Skull Nuke Em Quart

Nuke Em insecticide/fungicide is a pesticide that has been proven effective in both hobby and commercial grows and its purity is verified. It targets all species of broad mites, russet mites, spider mites, leaf aphids, whitefly and other plant leaf parasi

$45.10

General Hydroponics GH Rapidstart 125mL

RapidStart Rooting Enhancer by General Hydroponics provides a powerful blend of premium plant extracts, amino acids and nutrients that generate explosive root growth in plants of all kinds. Using RapidStart will stimulate prolific root branching and the d

GH Rapidstart 125mL

$35.00

General Hydroponics GH Rapid Rooter Plug Starter Tray/50

The Rapid Rooter uses composted organic material joined with plant-derived polymers to provide ideal conditions for beneficial microbes in the root zone of developing plants. Give plants a head-start for excellent growth potential throughout the life of t

GH Rapid Rooter Plug Starter Tray/50

$30.82

General Hydroponics GH pH Up - qt

For plants to grow their best it's important that the nutrient pH be slightly acidic - the range of 5.5 to 6.5 is considered ideal for most crops. The General Hydroponics pH Up (Base) is formulated using Potassium Hydroxide and Potassium Carbonate which a

$15.68

General Hydroponics GH pH Up - gal

For plants to grow their best it's important that the nutrient pH be slightly acidic - the range of 5.5 to 6.5 is considered ideal for most crops. The General Hydroponics pH Up (Base) is formulated using Potassium Hydroxide and Potassium Carbonate which a

$39.06

General Hydroponics GH pH Down - Gal

The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level.

GH pH Down - Gal

$39.06

General Hydroponics GH Koolbloom Liquid qt

Gardeners can give plants a boost during the final phases of fruiting and flowering with KoolBloom (0-10-10). A reformulation of the popular dry supplement, KoolBloom Liquid virtually eliminates the mess and hassle of mixing. Designed for use in the se

GH Koolbloom Liquid qt

$30.18