Originally Posted by ophiura
DEFINITELY not suggested.
First, it can be illegal in certain areas.
Second, you have a major temperature issue - you do not have reef temps and most animals in your area will die at reef temps.
Third, most of those hermits and snails are NOT reef safe, and pose a serious threat to your animals. I would never put them in, unless you are an invertebrate zoologist and can get a definitive ID of the animals and what their diet is. Not all snails are herbivores, and most hermits are actually not all that nice at all.
Definitely don't recommend it (unless you are keeping a biotope - local - tank).
100% correct, especially the temperature issues.