be verry careful with "professionals" comming to set up your tank. i am in alot of peoples houses per my work and i see alot of "professional" setup that were very expensive and looked like science experments gone bad. dont be afraid to order online. there are alot of good online stores that...
first off...i love the rock work..tank looks good...this is a good thing and a bad thing. you are gonna get algae blooms like crazy because you used tap water...its ok though cause all those snails and hermits you bought are gonna need someting to eat....first suggestion is to start useing rodi...
do you test for calcium, alk, magneisum? these may all play a part. strotium(sp?) also. you may have a crab, snail, nudi type thing eating them at night also.....look ni on them at night with a blue light....