Surely, if it is carbon it will contain only...carbon. The benefits of material like wood ash are they contain numerous other things which are useful to plants. Personally I can't think what benefit you'd get from adding pure carbon to your garden other than as a way to get rid of it. Why not just put it in the bin?
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Carbon - use in growing ??
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it is not pure carbon, it is carbon which has been impregnated with impurities which accumulated whilst it was being used as a filter. There could be all sorts of stuff in there and it needs to be disposed of safely. The local authority should really be consulted, They should have a safe disposal facilityLast edited by Aberdeenplotter; 09-02-2013, 09:56 PM.
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Originally posted by Aberdeenplotter View Postit is not pure carbon, it is carbon which has been impregnated with impurities which accumulated whilst it was being used as a filter. There could be all sorts of stuff in there and it needs to be disposed of safely. The local authority should really be consulted, They should have a safe disposal facility
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I got a useful reply from Carbon Gold - thanks for suggesting them.
The charcoal from a filter is activated charcoal. Therefore it has a lot more receptor sites and should not be used directly on soil. With biochar we seek receptor sites, but not so many that minerals in the soil get locked up and are unavailable to plants
However, it is likely that your water filter charcoal has now filled up the receptor sites and won't have that effect in soil. As long as the filter isn't full of heavy metals (unlikely in a hill stream unless there's an old mine upstream) you could apply it to soil. Why not try a small patch first, applying at a rate of 500g per sq. metre?
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Originally posted by Katog View PostI got a useful reply from Carbon Gold - thanks for suggesting them.
The charcoal from a filter is activated charcoal. Therefore it has a lot more receptor sites and should not be used directly on soil. With biochar we seek receptor sites, but not so many that minerals in the soil get locked up and are unavailable to plants
However, it is likely that your water filter charcoal has now filled up the receptor sites and won't have that effect in soil. As long as the filter isn't full of heavy metals (unlikely in a hill stream unless there's an old mine upstream) you could apply it to soil. Why not try a small patch first, applying at a rate of 500g per sq. metre?Look deep into nature, and then you will understand everything better...Albert Einstein
Blog - @Twotheridge: For The Record - Sowing and Growing with a Virgin Veg Grower: Spring Has Now Sprung...Boing! http://vvgsowingandgrowing2012.blogs....html?spref=tw
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