<a href=showthread.php?s=&postid=9257296#post9257296 target=_blank>Originally posted</a> by merseyman
... this will be under tank, w/out much water volume, so i'm not that concerned about the bulging thing. also, there will be no need to plumb it or use ozone. i was more concerned w/ water safety. i thought that i had heard you had to use a specific type of plastic to avoid leaching anything nasty into the water.