Hello my name is Cat and I am working on setting up a 55 gallon tank to house a pixie frog (havent got frog yet,want tank perfect 1st) Iv done so much reading online and feel Im doing pretty good with the set up but I have a couple quick questions...1-can the water dish b made of glass or is the plastic type best? and 2-there is so much back and forth online about moss...some say its great and others says it can kill the frog if it eats it...whats your opinion? Its great knowing I have someplace 2 go 4 help Thanks guys!