Hi: An aquarium heater may work provided the volume of water you are using is fairly large and has been stabilized over a ong period of time, adequately mixed and covered. Ie like an aquarium.
Aquarium heaters don't heat water very quickly. They are designed to hold a fairly large volume of water at a stable tempurature. Auariums also have a circlulating/filtration system that keeps the water moving, without this the water would be unevenly heated. See if you could use a presure balanced faucet. These are becoming more common - used mostly for bathtubs. The tubs deliver a fixed rate of water, the valve controls the mix of hot and cold water to maintain the set temperature. Designed to prevent one from being scalded when somebody flushes the toilet while you are taking a shower. Depending on your plumbing situation you may be able to set your water at 100 dg and it may stay there. Though if someone takes a shower, flushed the toilet etc, your film could be ruined. You could try a temperature controlled water bath like this: http://cgi.ebay.com/aw-cgi/eBayISAPI.dll?ViewItem&item=1616174719 Gord On Tue, 17 Jul 2001, William Erickson wrote: > I'd be a little surprised if an aquarium heater can maintain 100 degrees > very reliably. In my experience, c-41 developing, especially 35mm, is > tedious, prone to variation in contrast, probably due to variability in > agitation rates, and no fun at all. > ----- Original Message ----- --------------------------------------------------------- Gordon J. Holtslander Dept. of Biology hol...@duke.usask.ca 112 Science Place http://duke.usask.ca/~holtsg University of Saskatchewan Tel (306) 966-4433 Saskatoon, Saskatchewan Fax (306) 966-4461 Canada S7N 5E2 ---------------------------------------------------------
