Does anyone know what growth substrate is required for a reed bed filtration bed?
Looking forward to A4A coming to the rescue!
Many thanks
RR
gosh blimey no idea. if no-one here can help then you might try these guys, lots of knowledgable bods on there .
http://mrsl.forumsplace.com/urljump.php?url=http://www.itsnoteasybeinggreen.org/forum/
Many thanks for the link, Sarah, didnt have what OH needed but has gone on my faves list!