bone meal vs blood meal

Discussion in 'Growing Marijuana Indoors' started by shafro, Oct 17, 2008.

  1. Went to Lowes after walmart. Cant find vermiculite or perlite this time of yr. Bought some compost and noticed they sold both bone meal and blood meal. Never used either. What are they? should I invest?
     
  2. bone and blood are exactly what they say...bone is a good source of phosphorus and blood is high in nitrogen. they are fairly cheap soil amendments and you can also use them in bubbled teas.
     
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