Growing Mediums

 

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Coco-can
Dyna-Gro
EZ Coco
FoxFarm
General
Hydroponics
Sun Gro
horticulture
Miscellaneous Growing Mediums
 

Grodan

Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different types of fibers. The purpose is to support the requirement of the plant in the different plant stages. Grodan has a tremendous capacity for absorbing nutrient solution while retaining plenty of oxygen for rapid plant growth. Grodan comes in graduated sizes. Seedlings started in cubes are easily transferred to blocks and then onto slabs, if desired. Seedlings or cuttings started in the Grodan cubes can also be transplanted into more traditional planters and growing mediums.

 

Delta Grodan Slabs

The final stage of planting with growing blocks are the Grodan slabs. These slabs come in clearly marked UV resistant poly sleeves for ease of use. Recommended for larger, long term crops with extensive roots like peppers, tomatoes, or cucumbers. Typically, seedlings in blocks are placed onto slabs. Grodan Expert is the slab that drains the fastest because of its vertical fibers. By far the most popular slab for the hydroponic hobbyist market. Grodan Master is a special wet/dry slab. The top layer is thicker, which stays wetter, while the bottom layer stays drier. In effect it defies gravity, allowing more even distribution of moisture throughout the slab.

Product
Slab Size
Qty/PK
Expert 15/75
36" x 6" x 3"
12
Expert 20/75
36" x 8" x 3"
12
Expert 15/100
36" x 6" x 4"
9
Classic 30/75
12" x 3"
12

 

Expert 15/100 Slab 6" x 4" -DK $ 74.03
Expert 15/75 Slab 36 x6 x3 -DK $ 74.04
Expert 20/75 Slab 8" x 3" )-DK $ 96.13
Classic 30/75 Slab (wet) 12" x 3" -DK $ 96.62

Plant Starters - AOK Starter Plugs, Starter Mini-Bloks

The renewed plugs result in a maximum number of useable and homogeneous seedlings. Both form and strength have been greatly improved for good machine and manual processing. Whether sowing or transplanting, the new plug is the solution to achieving a homogeneous sowing result.

A-OK starter plugs, 25/40 10/10 starter plugs 1x1"-DK $ 342.46
A-OK starter plugs, 36/40 6/15 starter plugs 1.5x1.5"-DK $ 310.25
A-OK starter plugs, 50/40 6/15 Cube 2x2"-DK $ 269.96
Starter Mini-Blocks MM 40/40 6/15 Block 1.5x1.5x1.5"- DK $ 354.00
Starter Mini-Blocks MM 50/40 6/15 Block 2x2x1.5"- DK $ 316.94

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Delta Gro-Blocks with Foil

Grodan Delta blocks are the most uniform blocks available on the market. They feature improved grooves at the base to promote better drainage. They are available in a large assortment of sizes and configurations to suit all types of plants. These growing blocks are used for direct sowing or "blocking on" of Macro and Multiblock raised plants. AO 36/40 plugs fit well into the hole sizes provided by the blocks. The blocks can then be placed on top of a slab to provide for a larger growing volume. Hugo is the largest of the growing blocks. It provides enough growing volume to support a larger plant, so it does not need to be placed on top of a slab.

Block Size
Hole Size
Blocks/Strip
Blocks/case
3" x 3" x 2.5"
none or 42/40
8
384
3" x 3" x 4"
42/40
8
384
4" x 4" x 2.5"
42/40
6
216
4" x 4" x 3.1"
none or 42/40
6
180
4" x 4" x 4"
42/40
6
144
6" x 6" x 6"
40/40
1
48
Delta 4 Block 3x3x2.5" - No Hole - DK $ 213.82
Delta 4 Block 3x3x2.5" - Hole - DK $ 213.84
Delta 5.6 Block 3x3x4", - Hole - DK $ 213.78
Delta 6.5 Block 4x4x2.5" - Hole - DK $ 166.44
Delta 8 Block 4x4x3" - No Hole - DK $ 192.27
Delta 8 Block 4x4x3" - Hole - DK $ 192.18
Delta 10 Block 4x4x4" - Hole - DK $ 183.57
Hugo 6x6x5.8 - Hole - 40/40 - NL $ 143.37

Grodan/AgroDynamics

 

Grodan Mini Grow Cubes

The product consists of small stonewool croutons about the size of a finger nail. When you use this potting mix the miniature cubes stack on top of each other and air pockets are created throughout the pot. Growcubes are difficult to over-water if the container has good drainage. The Growcubes are a light weight alternative to your regular potting mix. You can use the Growcubes in any size pot and in many different growing systems, such as ebb & flow, top watering, or just with a watering can. Good results have been seen even with continuous watering. The Growcubes do not need to be changed as they last for the life of your plant. If you are new to hydroponics, then this is the product you should choose. Complete with package instructions, Growcubes are easy to use and reasonably priced.

Grodan Mini-Growcubes 2 Cu. Ft. Bag, $ 105.99
Grodan Mini-Growcubes 1 Cu. Ft. Bag, $ 129.16

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Grodan Granulate

Granulated rockwool can be used alone or as an amendment to organic based mixes. For example, the addition of water absorbant granulate to peat mixes at 25-50% volume, increases water holding capacity and aeration, improving plant growth and shelf life. The water repellent granulates are superior substitutes for aerators such as perlite or Styrofoam. The granulate is prilled for easy mixing. Granulated rockwool as potting mix - When you use granulated rockwool to pot up your plants, the great advantage is that you never have to change the mix. The rockwool will last for the life of your plant. Rockwool's high water holding capacity will enable you to go on vacation without worrying about your plants drying out.

Grodan Granulate Med. Water Absorbent granulate - NL $ 56.41
Grodan Granulate Med. Repellent granulate - NL $ 66.73

Macro Plugs

These rockwool plugs feature a slit for easy insertion rooted cuttings. Ideal for growers using aeroponic EZ clone machines. They fit perfectly into the holes of any standard rockwool blocks, inserted into pebbles, or any other type of growing mediums.

Macro Plugs-round plugs with slit for cuttings, 32/ bag, $ 6.15
Macro Plugs-round plugs with slit for cuttings case of 2000, $ 292.51

Reusable Starter Tray

60-cell reusable tray perfectly fits the AO starter plug or round Macroplug. Hangs on any 10x20 nursery flat leaving a 1/2" space between the cell and the bottom of the flat, so the plugs never sit in water.

Grodan Reusable Starter Tray, 66 cells $ 2.75

Grodan/Pargro

Pargro Rockwool

A rockwool alternative at a smart price
Uniform fiber structure ensures optimum nutrient and pH control
Pargro blocks have air holes from top to bottom grooves to ensure good supply of oxygen and drainage in the root zone - less risk of root rot
Pargro slabs are equipped with longitudinal grooves to ensure oxygen in the root zone - less risk of root rot
European quality rockwool
Used worldwide by commercial growers for over 14 years

Neptune Plugs 1.5 x 1.5 x 1.5 - One Sheet (98 plugs ) $ 12.96
Neptune Plugs 1.5 x 1.5 x 1.5 - case of 30 sheets- 98 per sheet - DK $ 256.58
Neptune Blk 1.5 x1.5 x1.5 - case of 2250-(15 blks per strip) -3 strips per wrap-DK $ 298.47
Neptune Blk 3 x 3 x 2.5 - case of 384 -( 8 blks per strip) -48 strips per case- DK $ 146.55
Neptune Blk 4x 4x 2.5 - case of 216 -(6 blks per strip) -24 strips per case- DK $ 133.83
Neptune Blk 4 x 4 x 4 - case of 144-(6 blks per strip) -24 strips per case- DK $ 130.38
Neptune 15/75 -90, 36 x 6 x 3in. case of 16 $ 74.19
Neptune 20/75 -90, 36 x 8 x 3in. case of 12 $ 74.19
Neptune 15/75 - 100, 40 x 6 x 3in. case of 16 $ 79.95
Pargo Jumbo 6 x 6 x 4, case of 72 $ 131.39

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Coco-Cap Block Covers by Coco-can

The organic alternative to plastic covers for rockwool blocks. Use caps to help prevent light penetration that may cause algae growth.

 
Coco-can Caps 4 in. 10 Pack, $ 2.39
Coco-can Caps 6in. 10 Pack, $ 3.10

Plastic Block Covers by Hydrofarm

Block light from media -
Reflect light to plant leaves - where it's needed most
-Eliminate algae and mildew growth.
40 dual-sided block covers per pack.

 
4in. Block Covers 40/pk, $ 6.95
6in. Block Covers 40/pk, $ 13.95

American Agritech

 

Ready-Gro Aeration Formula

(4 to 6 waterings daily) is specifically designed for automated hydrogardens, and self-watering planters with small to midsize plants. This blend is lighter and contains higher air content than the moisture formula. It is virtually impossible to over water plants with this formula. Plants can sit in ReadyGro with 1 to 2 inches of water and, through the process of capillary feeding, hydrate and feed as needed.

 
Ready-Gro Air Mix $ 22.00

Ready-Gro Moisture Formula

(1 to 2 waterings daily) is specifically designed for outdoor use and is also suited for hand-watering or automated pots and planters with large plants. This formula contains more coir fiber and pumice stones than the ReadyGro Aeration Formula. This formula will give plants enhanced moisture content for longer duration in between feeding and more pumice stones to help anchor large plants. Be assured that ReadyGro Moisture Formula will not waterlog plants even if the plants sit in 1 to 2 inches of standing water.

 
 
Ready-Gro Moist Mix $ 22.00

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Plant Ready-Gro Super Sleeves

Cut out plastic for watering and puncture drain holes. READY-GRO Super Sleeves contain READY-GRO AERATION FORMULA and have an optimum air content of 45% achieving high oxygen content to the root zone allowing for increased water and nutrient uptake, increased growth rates and crop yields.
A specialty, ready-to-use soilless substrate blend .

 
Ready-Gro Super Sleeve 6in. $ 11.95

Plant Ready-Gro Super Plugs

PLANT READY-GRO Super plugs are all natural soilless organic grow plugs made of composted tree bark and organic materials. These bio-dynamic plugs are perfect for seedlings or cuttings. Transplant plugs in soil or soilless hydrogardening applications. PLANT READY-GRO Super Plugs are manufactured with a proprietary composting method and contain natural beneficial fungi from this advanced composting biotechnology. PLANT READY-GRO Super Plugs are bio-degradeable and 100 percent organic. PLANT READY-GRO Super Plugs were only available to commercial growers until now! PLANT READY-GRO Super Plugs are now available to the home gardening enthusiast, education and research. Styrofoam starter flats are also available.

 
50 Pack Ready-Gro Supr Plugs $ 16.50
Ready-Gro 50 Plug Filled Tray $ 10.00
Ready-Gro 3.x1.5in. Plug Insert $ 1.10

Cocogro Premium Organic
Soilless Grow Media

COCOGRO has a very low salt content and is available in 1/2" double-sieved long fibers to reduce dust and give ample space within the mix. COCOGRO has excellent drainage properties and can be used over a longer period of time than coir fiber with shorter fibers. With longer fibers and reduced dust, growers will experience an optimal air to water ratio, which is vital for strong root development.
COCOGRO is unique because it is not chemically treated like other coir fibers on the market. COCOGRO is a superior coir fiber because it is aged a minimum of 18 months and has finished its decomposition stage. In addition, COCOGRO is exposed to rain water from at least three monsoon seasons, which naturally washes harmful salts from the final product. Most other coir fibers are only 4 to 5 months old and have excessive potassium and salts and thus have to be chemically treated.

Cocogro Brick $ 2.50
Cocogro Coir Fiber Bale 5 kg.$ 15.95
Cocogro 1.5 cu. ft. loose bag $18.95

BOSS Coir Fiber Grow Block

Cocogro BOSS is a Premium Soilless Organic Grow Media unique in its composition and is manufactured with extra washes to remove excess sodium. BOSS is made from 3/4" double sieved coir fibers for increased air space to the root zone. The fiber is aged 18 to 24 months and is fully decomposed to ensure no P.H. or E.C. drifts. BOSS is exceptional because of its multi-drain capability. It contains a coarse coir fiber mat on the bottom of the block to allow for free drainage and to keep coir fiber particles from draining out of the bag.
Each BOSS is compressed in a 5 to 1 ratio and is available in 6" X 6" and 8" X 8" bags. Another benefit Boss offers is its packaging. BOSS is wrapped in a horticultural grade poly bag that is white on the outside and black on the inside to insure a low temperature and no light to promote healthy root systems. Finally, BOSS is very simple to use: just open the top of the bag and hydrate coir; BOSS will expand to full size in just minutes.


Boss 6" Multi-Drain $ 3.00
Boss 8" Multi-Drain $ 4.00

Atami

 

Coco (Coir)

Coco substrate is light and stable and is one of the best mediums for providing oxygen to the roots of the growing plants. Atami coco substrates are internationally certified by RHP, a foundation whose aim is to optimize the quality of peat and coconut fiber products, raw growing materials, and soil products (improvers).

Atami CocoFiber 50L Bg. $ 26.95
Atami CocoFiber 9 L Compressed Coco Block w/grow bag 22 blks, $ 5.95

Hydromix HP

B'Cuzz Hydromix HP is a "high porosity" professional growing medium formulated for the serious grower. The light weight and high porosity of B'Cuzz Hydromix HP provide conditions necessary to establish plant growth, especially when growing situations require high air-capacity and low water-retention media. These characteristics make B'Cuzz Hydromix HP ideal for use with water sensitive crops, propagation of plant cuttings and/or low-light conditions.

 
 
 
 
 
 
 
 
 
 
 
 
 
 
REFLECTORS | BULBS & HID LAMPS | TIMERS | BALLASTS | SEED STARTING | LIGHTING ACCESSORIES | BOOKS | METERS AND WATER FILTRATION | NUTRIENTS AND ADDITIVES | LOCATION AND CONTACT

Last Updated 8/08