Soil Conditioners

Increase your growing potential with our natural soil conditioners. Using these organic or mineral amendments alone or together will:

• Increase water retention
• Add oxygen-holding capacity
• Increase nutrient retention
• Provide space for root growth

These beneficial products can improve the quality of garden soil as well as hydroponic growing media.

  • Ancient Forest Humus 1

    Ancient Forest Humus

    Alaska Humus Soil Amendment. General Organics Ancient Forest is a 100% organic product consisting of pure forest humus. It is ...

    $10.95
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  • Big & Chunky Perlite 1

    Big & Chunky Perlite

    Why is it called Big & Chunky? Well, because FoxFarm uses extra-big chunks of perlite that provide the best drainage ...

    $39.50
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  • Black Gold Perlite 1

    Black Gold Perlite

    As a soil amendment, Black Gold Perlite (a mined volcanic rock that is expanded, similar to microwave popcorn) is used ...

    $4.50
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  • Garden Charcoal 1

    Garden Charcoal

    Absorbs excess moisture & removes odors! Use Black Gold Garden Charcoal to improve the soil's texture, density, aeration and drainage. ...

    $5.50
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  • Perlite

    Horticultural Perlite (Fine – Plug Grade)

    Lightweight, non-toxic & pH neutral. Supreme Horticultural Perlite is a naturally occurring volcanic rock. When heated, it "pops" and expands ...

    $19.95 $11.00
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  • Marine Green Compost 1

    Marine Green Compost

    Combining sustainably harvested marine by-products with aged humus, Roots Organics Marine Green Compost (0.5-0.1-0.1 + Ca 3%) is an ample ...

    $13.95 $12.50
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  • Organic Compost 1

    Organic Compost

    Builds soil and feeds plants, too! Teufel's Organic Compost provides a microbially active source of organic fertilizers, humus, organic matter ...

    $12.50
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  • Organic Garden Compost 1

    Organic Garden Compost

    All the riches of the earth! Black Gold Garden Compost provides organic matter and natural nutrients for your soil, and ...

    $5.50
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  • Roots Organics Big Worm 1

    Roots Organics Big Worm

    Pure & Premium Castings! Roots Organics Big Worm is produced from redworms that are fed an unparalleled blend of organic ...

    $29.95
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  • Soil Moist 1

    Soil Moist

    Stores over 200 times its weight in water! Soil Moist is a super absorbent "agro-polymer" that traps water that would ...

    $10.95
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  • The Soul of Soil 1

    The Soul of Soil

    A soil-building guide. The Soul of Soil provides essential information about one of the most significant challenges for those attempting ...

    $24.95
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  • Vermiculite (Medium Grade) 1

    Vermiculite (Medium Grade)

    Certified Asbestos Free. Horticultural Vermiculite by Therm-O-Rock provides superb aeration and moisture retention when mixed in with peat, bark or ...

    $23.50
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  • Worm Castings

    Worm Castings

    A useful additive to ALL gardens! Worm Castings (1-0-0) are the rich digested organic soil that redworms leave behind. Gardeners ...

    $11.50
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