Re: Flow forms and compost tea

[Anthony Nelson-Smith]

Allan - I have 14 tiers, as used at Emerson College.  I think I remember
their telling me that they ran preps for 10 mins - but, also,  I calculated
that 10 mins' circulation through them equals as many vortices and reversals
(chaos) as I'd get in an hour's hand-stirring.            Tony N-S.