A gallon jug is very tall and has much more surface area to lose heat than a 7 watt bulb can put out.
It won't heat the water by very much, if at all.
Putting a chimney in the gallon jug should work quite well. Put spacers on the edges of a funnel long enough to almost reach the surface of the water and invert it into the jug, fat side down.
A plastic funnel can be used as a chimney except for the fact that they float. Could weigh it down with a stainess washer or two? [Don't use copper]
Instead of spacers on a plastic funnel, drilling a few holes along the edge of the rim works to let water circulate.
Ode
At 03:02 PM 3/28/2005 -0500, you wrote:
>>>>
I make my CS 1 gallon at a time, question do you thing a clear 7 watt night night bulb placed near bottom on side<<<<
will provide Thermal Stiring of the CS.
Should I monitor the temp to make sure it does not get past a certain temp, what temp would be my hi temp limit.
Bob
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Version: 7.0.308 / Virus Database: 266.7.4 - Release Date: 3/18/2005
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