I found this place down here in Irvine:
http://www.seastallion.com/about_us/contact_us/contact_us.htm
They charge $25 for any tank. Most Paintball stores charge $30-35 per
tank. It is the only scuba place I have called so far. I'll call
around to a few others later this week. I need my tank hydro'd by the
18th, our next outting to Pendleton.