wrote in message
...
actually the phase transition from ice to water is 80 calories per gram
whereas the
transition from liquid to gas is 540 calories per gram.
http://weloveteaching.com/fall2005/m...of_matter.html
better to spritz the water up into the air and what falls back is going to
be a lot
cooler. best is shade cloth, like 70% or lilies that float and block the
sun.
actually, a piece of styrofoam that blocks the sun works too. Ingrid
====================
2 x 4' sheets of white Styrofoam can be found at any Home Depot or Lowe's
and last for years. We use the old bedsheets suspended above the water
because they don't block gas exchange at the water surface as floating
Styrofoam sheets would.
--
KL....
Frugal ponding since 1995.
My Pond & Aquarium Pages:
http://tinyurl.com/9do58
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