well got it going sat (1/16/05) night want to say thanks to RB (at http://www.saltcreep.com)for your closed loop idea by moding it I was able to make this work.
Tank specs: 1gal "burbon glass" tank, 18w PC (coralife 2 x 9 W ,1- 10,000k & 1- actinic ) closed loop with heater chamber (see diy...