brennae
Aquarium Advice Addict
I have large snails( golf ball sized) and I use liquid Calcium and Iodine for Marine tanks. Been doing this for years in small doses and never had a problem. One bottle has lasted me a long time because like I said small doses. I tried the cuttlebone thing and so far I havent noticed any shell problems with my snails. Just throwing another option out there as I too am a poor college student.