Has anyone used these? Do I flush at the end? I can't find anything on their site about flushing.
R Rubijon 78 6 Feb 24, 2011 #1 Has anyone used these? Do I flush at the end? I can't find anything on their site about flushing.
707seedbank Supporter 133 93 Feb 25, 2011 #3 Yes, flush always. When your plants look finished, start flushing for 2weeks.