that makes sense.
I might go in for one of these packs myself then.
here is some good info on this conch
http://www.liveaquaria.com/product/p...74&pcatid=2174
Basically, you need to make sure there is plenty of sand and food.
They eat a tonne, so any but a very large and well established system probably couldn't support 2 for long...
have a read over, it might help in your decision.