[Terrapreta] Marketing comment for TP. (was volatile matterandchar)

[Greg and April]

I know a gentleman that on a whim tried charcoal in his aquaponic set up for a few weeks.    He said that he filled an onion sack ( mesh ? ) with charcoal ad tossed it in.    He didn't say what type of charcoal he used, or where he got it, but, he did mention that it took a few days for the charcoal to initially soak completely through - at which time it no longer floated, and retained water very well, and appeared to have great capitulary action.


Greg H.

  ----- Original Message ----- 
  From: Sean K. Barry 
  To: Terra Preta ; Greg and April 
  Sent: Saturday, December 29, 2007 13:07
  Subject: Re: [Terrapreta] Marketing comment for TP. (was volatile matterandchar)


  Hi Greg, Gerrit,

  I see you mentioning rock wool and coir as wetting mediums in hydroponic growing.  Michael J. Antal mentioned once that Orchids are grown in Hawaii in strictly black carbon charcoal.  Has charcoal ever been used as the wetting medium in hydroponic growing?  Is anyone doing experiments trying it?

  Regards,

  SKB
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