help ph ing with bio canna?

Discussion in 'Growing Marijuana Indoors' started by ALLANR5GTT, Oct 7, 2007.

  1. hi all i'm using bio canna feed and when it's mixed with the water the ph rading is between 6.0 and 6.2.
    i was going to use ph upper but it says on the bottle not to use ph adjusters. so how do i get my ph to the 6.5 to 6.8?
    i dont want to be locking any thing out?
    thanks allan
  2. anybody out there?

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