Growing Media

GROW!T Perlite is a versatile and inert soil amendment and soilless medium. Use it to aerate soil in container gardening, for germination and propagation of seedlings, for propagation of cuttings, and as a hydroponic medium. Hydrofarm searched globally and went to great lengths to find a source of top-quality perlite, and succeeded-and what we found is offered in the GROW!T line of perlite products. Multiple grades available: #2 Perlite (1/16" - 5/8" granules), #3 Perlite (1/8" - 5/8" granules), #4 Perlite (1/3" - 3/4" granules), and #8 Perlite (3/4"-1 1/3" granules). Enhanced aeration and drainage Completely sterile Neutral pH of around 7.0 Odorless and lightweight Aids in breaking up heavy soils Derived from a natural source

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Use organic GROW!T Coco Coir Chips for planting and growing tropical flowers and plants. It works both indoors and outdoors and is ideal for mulching and a decorative ground cover that retains water and resists fungus. Although each block of chips is equivalent to more than 2 cubic feet of mulch, it is lightweight and easy to carry and store. Add the GROW!T mix into your growing system and notice the coco difference.

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GROW!T Perlite is a versatile and inert soil amendment and soilless medium. Use it to aerate soil in container gardening, for germination and propagation of seedlings, for propagation of cuttings, and as a hydroponic medium. Hydrofarm searched globally and went to great lengths to find a source of top-quality perlite, and succeeded-and what we found is offered in the GROW!T line of perlite products. Multiple grades available: #2 Perlite (1/16" - 5/8" granules), #3 Perlite (1/8" - 5/8" granules), #4 Perlite (1/3" - 3/4" granules), and #8 Perlite (3/4"-1 1/3" granules). Enhanced aeration and drainage Completely sterile Neutral pH of around 7.0 Odorless and lightweight Aids in breaking up heavy soils Derived from a natural source

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GROW!T Perlite is a versatile and inert soil amendment and soilless medium. Use it to aerate soil in container gardening, for germination and propagation of seedlings, for propagation of cuttings, and as a hydroponic medium. Hydrofarm searched globally and went to great lengths to find a source of top-quality perlite, and succeeded-and what we found is offered in the GROW!T line of perlite products. Multiple grades available: #2 Perlite (1/16" - 5/8" granules), #3 Perlite (1/8" - 5/8" granules), #4 Perlite (1/3" - 3/4" granules), and #8 Perlite (3/4"-1 1/3" granules). Enhanced aeration and drainage Completely sterile Neutral pH of around 7.0 Odorless and lightweight Aids in breaking up heavy soils Derived from a natural source

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GROW!T Perlite is a versatile and inert soil amendment and soilless medium. Use it to aerate soil in container gardening, for germination and propagation of seedlings, for propagation of cuttings, and as a hydroponic medium. Hydrofarm searched globally and went to great lengths to find a source of top-quality perlite, and succeeded-and what we found is offered in the GROW!T line of perlite products. Multiple grades available: #2 Perlite (1/16" - 5/8" granules), #3 Perlite (1/8" - 5/8" granules), #4 Perlite (1/3" - 3/4" granules), and #8 Perlite (3/4"-1 1/3" granules). Enhanced aeration and drainage Completely sterile Neutral pH of around 7.0 Odorless and lightweight Aids in breaking up heavy soils Derived from a natural source

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GROW!T Loose Coco Coir is a natural hydroponic medium without any additional substrates. This 100% coco coir is processed and manufactured under strict quality standards. GROW!T Loose Coco Coir is washed and buffered to displace sodium and achieve extra-low ppm/EC levels, so you can apply nutrients and supplements the same day you plant. Its low EC and stable pH make this coir such a supreme soilless medium that, based on our testing, we believe it is one of the best loose coco coir products on the market today.

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GROW!T Commercial Coco Block, 8"x8"x6", case of 20GROW!T Commercial Coco is Hydrofarm’s premium growing medium brand, designed specifically for the professional grower.  The entire line of GROW!T Commercial Coco is lab tested lab tested for heavy metals, so your plants can grow in the purest coco available.  This high-quality coir is processed indoors to eliminate debris and pollutants.  Repeated washes and buffering are applied to achieve extra-low ppm/EC levels, so you can apply nutrients and supplements the same day you plant.The 8”x8”x6” block from GROW!T Commercial Coco is an excellent grow block for large flowering plants. Smaller blocks can be stacked on top or planted down into the coco coir. Another approach is to veg and bloom plants only in this 8”x8”6” block, using modern automated fertigation methods.  RapidRIZE blocks start off compressed for easy shipping and storage, but they expand fully in approximately 1 minute after saturation.  All RapidRIZE blocks feature a wide, low-profile shape, to match the specific rooting pattern of your favorite herbaceous annual plants. Premium buffered coco coir RadidRIZE blocks with super-fast expansion Low ppm/EC and tested for heavy metals SKU PRODUCT Cubic Inch Liters Gallons GMGP443 RapidRIZE Block 4"x4"x3" 48 0.8 0.2 GMGP664 RapidRIZE Block 6"x6"x4" 144 2.4 0.6 GMGP886 RapidRIZE Block 8"x8"x6" 384 6.3 1.7 GMGP10107 RapidRIZE Block 10"x10"x7" 700 11.5 3.00

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GROW!T Commercial Coco Block, 6"x6"x4", case of 40GROW!T Commercial Coco is Hydrofarm’s premium growing medium brand, designed specifically for the professional grower. The entire line of GROW!T Commercial Coco is lab tested lab tested for heavy metals, so your plants can grow in the purest coco available.  This high-quality coir is processed indoors to eliminate debris and pollutants.  Repeated washes and buffering are applied to achieve extra-low ppm/EC levels, so you can apply nutrients and supplements the same day you plant.The 6”x6”x4” block from GROW!T Commercial Coco is the most versatile size in the lineup.  Growers can use the blocks for vegetative growth for plants going into larger containers, or they can be used for flowering by stacking the GMGP443 on top of this GMGP664.  Another approach is to veg and bloom plants only in this 6”x6”x4” block, using modern automated fertigation methods.  RapidRIZE blocks start off compressed for easy shipping and storage, but they expand fully in approximately 1 minute after saturation.  All RapidRIZE blocks feature a wide, low-profile shape, to match the specific rooting pattern of your favorite herbaceous annual plants. Premium buffered coco coir RadidRIZE blocks with super-fast expansion Low ppm/EC and tested for heavy metals SKU PRODUCT Cubic Inch Liters Gallons GMGP443 RapidRIZE Block 4"x4"x3" 48 0.8 0.2 GMGP664 RapidRIZE Block 6"x6"x4" 144 2.4 0.6 GMGP886 RapidRIZE Block 8"x8"x6" 384 6.3 1.7 GMGP10107 RapidRIZE Block 10"x10"x7" 700 11.5 3.00

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GROW!T Commercial Coco Block, 4"x4"x3", case of 120GROW!T Commercial Coco is Hydrofarm’s premium growing medium brand, designed specifically for the professional grower. The entire line of GROW!T Commercial Coco is lab tested lab tested for heavy metals, so your plants can grow in the purest coco available.  This high-quality coir is processed indoors to eliminate debris and pollutants.  Repeated washes and buffering are applied to achieve extra-low ppm/EC levels, so you can apply nutrients and supplements the same day you plant. The 4”x4”x3” block from GROW!T Commercial Coco is designed for the vegetative stage.  These small blocks fit easily into grow trays to help maximize plant counts in the early stages of growth.  RapidRIZE blocks start off compressed for easy shipping and storage, but they expand fully in approximately 1 minute after saturation.  All RapidRIZE blocks feature a wide, low-profile shape, to match the specific rooting pattern of your favorite herbaceous annual plants. Premium buffered coco coir RadidRIZE blocks with super-fast expansion Low ppm/EC and tested for heavy metals SKU PRODUCT Cubic Inch Liters Gallons GMGP443 RapidRIZE Block 4"x4"x3" 48 0.8 0.2 GMGP664 RapidRIZE Block 6"x6"x4" 144 2.4 0.6 GMGP886 RapidRIZE Block 8"x8"x6" 384 6.3 1.7 GMGP10107 RapidRIZE Block 10"x10"x7" 700 11.5 3.00

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GROW!T Commercial Coco, Loose, 1.75 cu. ft.GROW!T Commercial Coco is Hydrofarm’s premium growing medium brand, designed specifically for the professional grower.  The entire line of GROW!T Commercial Coco is lab tested lab tested for heavy metals, so your plants can grow in the purest coco available.  This high-quality coir is processed indoors to eliminate debris and pollutants.  Repeated washes and buffering are applied to achieve extra-low ppm/EC levels, so you can apply nutrients and supplements the same day you plant.GROW!T Commercial Coco Loose Coir comes in a 1.75 cu. ft. bag and provides a ready-to-use source of buffered coir for filling containers or beds.  This coir can be blended with other growing mediums, or use it as a stand-alone growing medium. Fast expansion Low ppm/EC and tested for heavy metals Premium quality buffered coco coir

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GROW!T Commercial Coco Block, 10"x10"x7", case of 10GROW!T Commercial Coco is Hydrofarm’s premium growing medium brand, designed specifically for the professional grower.  The entire line of GROW!T Commercial Coco is lab tested lab tested for heavy metals, so your plants can grow in the purest coco available.  This high-quality coir is processed indoors to eliminate debris and pollutants.  Repeated washes and buffering are applied to achieve extra-low ppm/EC levels, so you can apply nutrients and supplements the same day you plant.The 10”x10”x7” block from GROW!T Commercial Coco is the largest size in our lineup.  With a full 3 gallons of premium coco coir, there is plenty of room for rooting.  With its stable shape, this 10”x10”x7” block works well for mother plants and tall flowering plants.  RapidRIZE blocks start off compressed for easy shipping and storage, but they expand fully in approximately 1 minute after saturation.  All RapidRIZE blocks feature a wide, low-profile shape, to match the specific rooting pattern of your favorite herbaceous annual plants. Premium buffered coco coir RadidRIZE blocks with super-fast expansion Low ppm/EC and tested for heavy metals SKU PRODUCT Cubic Inch Liters Gallons GMGP443 RapidRIZE Block 4"x4"x3" 48 0.8 0.2 GMGP664 RapidRIZE Block 6"x6"x4" 144 2.4 0.6 GMGP886 RapidRIZE Block 8"x8"x6" 384 6.3 1.7 GMGP10107 RapidRIZE Block 10"x10"x7" 700 11.5 3.00

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GROW!T horticultural clay pebbles are made from 100% natural clay. They are clean, pH stable, and offer great aeration and drainage in hydroponics, especially in flood and drain, deep water culture, and drip feed systems. Due to their unique structure and ability to cover a large surface area, they offer the ideal environment to foster beneficial bacterial growth around the root zone, leading to naturally healthier plants. GROW!T Clay Pebbles benefits: Extremely stable in both pH and EC Made from 100% natural clay Strong structural integrity means that they are less likely to break and compact, which helps to prevent dripper systems from getting blocked Pre-washed to aid in stability Drains freely and does not hold any excess water, providing good oxygen levels around the root; suitable for flood and drain systems, multi-pot and drip feed systems Pebble size 4 mm-16 mm GROW!T Clay Pebbles can be used for: Aeration of growing media - ideal to mix into coco coir or soil to aid aeration Drainage - will hold water as well as offering great aeration properties and free draining Decoration - looks great as a top dressing for pots and also helps to prevent evaporation Hydroponics/hydroculture - used widely in hydroponic growing, they are ideal for flood and drain, deep water culture and drip feed systems Aquaponics - are also ideal to be used in aquaponic systems When used in aeration of growing media, mix GROW!T horticultural clay pebbles into your coco coir or soil at a rate 4 parts clay to 7 parts soil to loosen up the structure, leading to better root development.

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