S Stoney Bud Guest Jul 2, 2007 #2 yes, excellent. About 3/8" to 1/2" size. Very porous and works for hydroponics exceptionally well.
KADE Aero Lord Joined Jul 17, 2006 Messages 1,924 Reaction score 124 Jul 6, 2007 #3 And reuseable too! =)
