GrowFAQ:

Where do I get the bacteria to ripen my slow sand/rockwool filter?

  Added by: Cobber    Viewed: 561 times  Rated by 1 user: 10.00/10
The bacteria needed to "ripen" your slow sand/rockwool filter is in the atmosphere. Just running the filter for one month will give the necessary bacteria time to innoculate the filter.
  Last modified: 00:19 - Mar 04, 2001 

GrowFAQ © 2000-2004 Overgrow
faq:952 "Where do I get the bacteria to ripen my slow sand/rockwool filter?"