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  • fmstark commented on joshmt2012's instructable Low Cost Plastic Shredder3 years ago
    Low Cost Plastic Shredder

    The issue is that plastic is not hygroscopic, ie.... does not hold moisture therefore the roots cant pick up nutrients in the proper amounts, instead it sheds moisture immediately. As a medium for growing in hydroponics in does not work well, IMHO recycled plastic could be used to make custom grow containers or used as filter media for your grow system, kudos on the re-purposing of materials, bags can be melted in oil (see you tube), the clumps of bags are allowed to cool and then run thru the shredder

    plastic in NFT hydroponic systems dont do well, the plants actually try to avoid the plastic when used as a growing medium

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