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Hydroponic & Organic Gardening

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Grodan Grodan Expert Gro-Slab 8 in x 3 in x 36 in Case/12

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. This multi

Grodan Expert Gro-Slab 8 in x 3 in x 36 in Case/12

$171.73

Grodan Grodan Improved Gro-Slab 6 in x 3 in x 36 in - Case/12

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. This multi

Grodan Improved Gro-Slab 6 in x 3 in x 36 in - Case/12

$115.99

Grodan Grodan Gro Block Improved Mini Block 2" Strip/24 - Case of 1440

Grodan offers both a 1.5" and a 2" individually-wrapped starter cube. The 1.5" cubes are sold as a 3-pack of strips of 15 each, and the 2" are sold as a 2-pack of strips of 12 each. These cubes are for starting seeds or cuttings and transplanting into the

Grodan Gro Block Improved Mini Block 2" Strip/24 - Case of 1440

$554.99

Grodan Grodan Gro Block Improved HUGO 6"x 6"x 5.8" - CASE/64

Rockwool is a state-of-the-art rooting medium used in plant propagation. Seeds or cuttings are started in small rockwool cubes and, once rooted, the cubes are transferred to a larger piece of rockwool or may be planted directly in soil. Rockwool is used i

Grodan Gro Block Improved HUGO 6"x 6"x 5.8" - CASE/64

$297.99

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 GR10 Large 4"x4"x4" w/ Hole - Case/144 Blocks

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 Gro Block Improved GR10 Large 4"x4"x4" w/ Hole - Case/144 Blocks

$204.99

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

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

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 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

Vermiculite 8 qt Bag

A perfect soil conditioner composed of millions of cells which store air and water. No food value. Often a key ingredient in soilless potting mixes, Vermiculite is prized for its ability to retain moisture. This coarse vermiculite is especially well-suite

Vermiculite 8 qt Bag

$13.49

Integra Boost Integra Boost 67g 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 67g Humidiccant 55%

$3.99

General Hydroponics GH Maxigro 2.2 lb Pouch

MaxiGro (10-5-15) is a strong one-part dry nutrient gardeners use to start plants and to promote fast growth during the vegetative stage. It improves plant yield and is pH buffered to help reduce pH drift. MaxiGro is easy-to-use and works well in hydropon

GH Maxigro 2.2 lb Pouch

$21.72

General Hydroponics GH Floranova Grow - gal

Flora Nova is the breakthrough gardeners have been waiting for: an exceptionally potent, complete one-part fertilizer plus organic additives. Extremely concentrated, Flora Nova is an excellent bargain, one to two teaspoons in a gallon of water. One bot

GH Floranova Grow - gal

$116.60

$69.96

Botanicare Botanicare PB PRO Bloom Soil qt

Designed specifically to be used in soil container gardens. When cultivating fruiting and flowering plants in soil, growers usually need to double or triple phosphorous levels, unlike hydroponics, thus making the 1-4-5 formula ideal for soil applications.

Botanicare PB PRO Bloom Soil qt

$30.68

$21.48

Botanicare Botanicare Liquid Karma - qt

Liquid Karma has a new humic source that runs cleaner, performs better and is more versatile than before. This new 100% water soluble humic acid source will not cause buildup in lines, clog drippers or contribute to pH fluctuations. Liquid Karma contains

Botanicare Liquid Karma - qt

$38.64

$23.19

Botanicare Botanicare Cal-Mag Plus - gal

Cal-Mag Plus is a highly fortified calcium, magnesium and iron plant supplement formulated to correct common deficiencies. Supplementing your preferred nutrient program with Cal-Mag Plus is strongly recommended when using reverse osmosis water and when gr

Botanicare Cal-Mag Plus - gal

$59.90

Botanicare Botanicare Cal-Mag Plus - 2.5 gal

Cal-Mag Plus is a highly fortified calcium, magnesium and iron plant supplement formulated to correct common deficiencies. Supplementing your preferred nutrient program with Cal-Mag Plus is strongly recommended when using reverse osmosis water and when gr

Botanicare Cal-Mag Plus - 2.5 gal

$130.57

$78.35

Block Covers 6" Pack/40

Dual-purpose Block Covers reflect light back towards plants in addition to protecting them from algae growth. Black on one side, white on the other, these block covers will work with any media. There are 40 covers in each pack.

Block Covers 6" Pack/40

$27.55

Block Covers 4" Pack/40

Dual-purpose Block Covers reflect light back towards plants in addition to protecting them from algae growth. Black on one side, white on the other, these block covers will work with any media. There are 40 covers in each pack.

Block Covers 4" Pack/40

$14.78