I'm looking at getting a chiller for both my 90gallon and my 37 gallon tank as my aunts don't care to pay the heating cost in the summer. What I'm really wondering is does anyone have a preference on brands as well as in line vs drop in chillers, they already X'ed my idea of cutting up a small freezer for the 90 *shrug* oh well. Also if someone has a chiller that would work for me for sale drop me a pm. I was thinking something like 1/5 or 1/4hp for the 90 and probably a 1/10 for the 37.