I got to thinking Im coming from the saltwater world and I've seen whats called a Faux sandbed created for easy cleaning etc I hope it's ok I provided a how to link below but basically you get the look of sand in a sold form no lose particles to be swallowed etc what do you guys think?
http://www.nano-reef.com/topic/278997-how-to-make-a-fake-sand-bed/
http://www.nano-reef.com/topic/278997-how-to-make-a-fake-sand-bed/