Discount Hydroponics - Grow Mediums

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Grow Mediums

Higromite

Higromite provides several advantages over expanded clay pebbles, coco and rock wool. It's high in silica, pH neutral, and has the best moisture retention and release on the market today. Completely reusable, the varied shapes of the rocks promote porosity, allowing more oxygen to reach the roots
$19.95 Click for more information

Hydroton

Grow Rocks are a special kiln-fired, lightweight aggregate that is super-heated and formed into pebbles 8-16mm in size. The ceramic shell and inner pore structure retain moisture and release it back to your plants' roots as needed. Grow rocks will not compact, insuring excellent aeration for the life of your plant. It is reusable and lasts indefinitely, making it a great value.
From $11.95 Click for more information

Coco Peat Bricks

This organic coconut fiber medium offers top performance in hydroponic applications. Coconut fiber maintains a larger water holding capacity than rockwool. Just soak in water for a few minutes, and the brick will expand up to 4 times it's compressed size. It is can be mixed with grow rocks or grow cubes for a better aeration of the medium.
From $1.95 Click for more information

Ocean Forest Soil

This unique potting soil from Fox Farm combines the best fertilizers found on land with the finest sea ingredients available. The result is a rich, light, organic potting soil, ready to use right from the bag. It encourages healthy root growth, disease resistance and leafy foliage. Consists of rich composted forest humus, sphagnum peat moss for aeration, bat guano, fish, crab, shrimp and Norwegian kelp meals, and earthworm castings.
From $17.95 Click for more information

Light Warrior Grow Medium

Formulated for use in containers and hydroponic applications. Specially designed to enhance root development and encourage greater nutrient uptake by plants. An excellent medium for starting seeds, transplanting and growing plants both indoors and outdoors. 1 cubic foot bag.
From $17.95 Click for more information

Sunshine Mix

Sunshine Mix is a top quality Canadian sphagnum peat moss with dolomitic lime to adjust to pH 5.0 - 7.0 and to provide calcium and magnesium. Gypsum is added as a source of sulphur and calcium. In addition, Sunshine #1 has a highly soluble nutrient charge equivalent to about one liquid feeding with a complete fertilizer, plus trace elements.
From $19.95 Click for more information

Grow Cubes

Grodan Grow Cubes are 1/2" x 1/2" loose rockwool blocks. They are mainly used for container growing. You can mix them in with any other medium that you would like (such as perlite/vermiculite, coco peat, etc) or just use by themselves. They have an excellent water to air ratio for fast growth. They come in 11 gallon, 23 gallon and 64 gallon bags.
From $17.95 Click for more information

Granulate Rockwool - Absorbent & Repellent

For those that like to mix their own, we offer Granulate Rockwool in both absorbent and repellent 45 lb. bales. They are often mixed with other growing mediums in growing pots. The Absorbent Granulate is great for mixing with grow rocks for a better air/water ratio.
From $44.95 Click for more information

Perlite & Vermiculite

Vermiculite contains potassium, magnesium and calcium available in slow release. It has an absorbent capacity for fertilizer and also buffering and oxygen exchange. Perlite provides excellent drainage while trapping air and water on its' irregular surface. Perlite will hold 3-4 times it own weight in water. It is neutral in reaction and has no buffering action.
From $3.95 Click for more information

CocoTek Grow Mat

CocoTek Grow Mats are 100% organic and environmentally friendly. They are made to line your growing trays, allowing the roots to grow through them and form a large root mass. It will also prevent your plants from falling down when using rockwool cubes or net pots. CocoTek Grow Mats come in a 4' x 4' roll which is 1'' thick or in a 4' x 8' roll which is 1/4' thick.
$29.95 Click for more information

Canna Coco Coir Bags & Sleeves

A sensational new organic coconut matter medium available in 50L bags and sleeves. Canna's enhanced coconut matter involves the addition of special elements for rapid growth including the special Trichoderma mould. Trichoderma is a natural plant booster and is scientifically proven to protect the plant against soil diseases.
From $19.95 Click for more information

Rockwool Block Covers

Dual-purpose Sunleaves 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 however they are designed for rockwool cubes. They are available in 2 sizes, 4'' and 6''. There are 40 covers in each pack.
From $5.95 Click for more information

Piece Coir

Sunleaves Piece Coir is a completely organic growing medium which provides a moisture and air-rich environment for hearty root development. Made from a byproduct of the coconut industry. Piece Coir can be used as a soil additive to increase aeration and water retention or used as a base in soilless mixtures and hydroponics. This product is listed by the Organic Materials Review Institute (OMRI). It comes in 40 liter bags.
From $10.95 Click for more information

Coco Chips

Coco Chips are a premium, certified organic, OMRI Listed growing medium and superior alternative to expanded clay and rockwool. Coir is the coarse fibers and sponge like material that make up the thick husk of the coconut fruit.
$19.95 Click for more information

Coco Coir

Coco Coir is a premium, certified organic, OMRI Listed growing medium and superior alternative to peat moss. Coir is the coarse fibers and sponge like pith material that make up the thick husk of the coconut fruit. At our factory in the interior of Sri Lanka selected husks are first soaked to soften and then shredded to extract the valuable coir fiber and pith. The screened coco fiber is mixed with small crushed chips, then washed and composted to make our Premium Coco Coir.
$19.95 Click for more information

Coco Peat Bale

A premium quality Coco Peat which has been composted and super washed to provide an extremely pure, low ppm coco which is ready to use out of the bag. Coco has never been steamed, chemically processed or compressed. OMRI Listed.
$19.95 Click for more information

Coco Peat Block

Coco Peat is a premium, certified organic, OMRI Listed growing medium and superior alternative to peat moss. Coir is the coarse fibers and sponge like pith material that make up the thick husk of the coconut fruit. At our factory in the interior of Sri Lanka selected husks are first soaked to soften and then shredded to extract the valuable coir fiber and pith.
$9.95 Click for more information

Plant Comfort Rockwool Cubes - w/ Hole

Plant Comfort is a premium rockwool. This unique rockwool has a special fiber structure which provides a block with less density for the roots to grow through much easier while still retaining the block’s strength. Plant Comfort is lighter and stronger than competitor “G”.
From $3.95 Click for more information

Plant Comfort Rockwool Cubes - w/ Drip Ring

X-Fibre Slabs

X-Fibre Rockwool slabs are 36” long and come in 3 different widths, 6”, 8”, and 12”. Normally, you would place a rockwool cube on top of them and let the roots grow into them. They are great to cut up into squares and use them for the extra root growth below cubes and to keep the plants from tipping over.
From $4.95 Click for more information

All-Mix

BioBizz All-Mix is a specially-blended compost that contains sphagnum peat moss, garden peat, and perlite in addition to the molasses and nutrientrich kelp, seaweed, and guano. All-mix offers a sterile, all-natural medium for any plant type. 50-liter bag.
$21.95 Click for more information

Rockwool Plugs

Rockwool plugs are round, so they fit in all of the larger rockwool cubes with ease. They are split to accept either a clone or a seed. They come 32 to a bag or in cases of 2000.
From $9.95 Click for more information

Rapid Rooter - Organic Starter Plugs

General Hydroponics Rapid Rooter grow plugs are an organic growth medium made of composted organic materials. These innovative plugs are the preferred starter method for direct seeding, cuttings and tissue culture plantlets, and are perfect for the hydroponic gardener.
From $12.95 Click for more information

Europonic Rockwool Conditioner

Rockwool starts out with a high pH level. Europonic Rockwool Conditioner is the perfect choice for adjusting and stabilizing rockwool for the maximum nutrient uptake and micronutrient availability.
From $12.95 Click for more information

Potting Soil - Organic

A truly exceptional ready-to-use coco fiber-based potting soil. Comes in a heavy-duty, ready-to-grow, 1.5 cu ft/10 gal, camouflage print bag; simply poke holes in the bottom, cut off the top, and plant. This soil is amended with only the highest quality organic ingredients including bat guano, premium earth worm castings, fish bone meal, feather meal, green sand, mycorrihzae, glacial rock dust, soybean meal, humic acid, and many more.
From $7.49 Click for more information

Roots Organics Formula 707

Formula 707 was created for a special kind of gardener, one who wants to control their own destiny. Formula 707 is different from other potting mixes created by Aurora Innovations. It is designed for greater water holding capacity, it contains less perlite and fertilizer.
$19.95 Click for more information

Cocofiber - Soilless Grow Medium

A unique formulation of the highest quality coco fiber/coir on the planet which is repeatedly washed for an incredibly low EC, composted for over twenty-four months, and specially blended with extra long fibers, perlite, and pumice. Lightly amended with a starter charge of organic fertilizers like bat guano, worm castings and kelp, this mix is designed for heavy feeding and high performance in container or hydroponic applications.
From $16.95 Click for more information

Plant Comfort Starter Sheets

Plant Comfort Starter Sheets are great for starting seeds or cuttings. They come in a sheet of 98 cubes. The cubes are tapered to allow air movement between them and to allow for air pruning of roots to keep them easy to separate after your seedlings or cuttings take root. They have a small hole punched into them to place your seed or cutting.
From $8.95 Click for more information

Grodan Rockwool Cubes

Rockwool cubes come in many different sizes. They all have holes in them to allow for starter cubes to be placed in them. They are sold by the strip or by the case. The 4" x 4" x 4" and the 6" x 6" x 6" are the most popular for growing plants to full term. The smaller blocks are generally used as a supplemental growing medium (placed in grow rocks, on a slab or directly into a hydroponic system.)
From $2.95 Click for more information

Grodan Rockwool Slabs

Grodan Rockwool slabs come in 3 different sizes. Normally, you would place a rockwool cube on top of them and let the roots grow into them. They are great to cut up into squares and use them for the extra root growth below cubes and to keep the plants from tipping over. They are sold in packs of 2 or 3 and in cases.
From $19.95 Click for more information

Rockwool Starter Cubes

Rockwool Starter cubes come in strips of 15, three strips to a pack. They are 1.5 x 1.5" x 1.5". They are primarily used for seeds and cuttings. They are individually wrapped to retain moisture longer. They have a small hole punched into them to place your seed or cutting.
From $6.95 Click for more information

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