In a message dated 9/14/2003 3:00:52 PM Eastern Daylight Time,
writes:

A question on the Swedish discussion forum regarding air humidifiers.
Apparently there are two types, warm or cold humidifier. Which is best
for bonsai?

I would think it would depend upon why you need a humidifier in the
first place.

Based upon your e mail address ending in SE I would guess that you
want one to raise the humidity indoors in winter. In this case the heat
generated by the warm humidifier would not be a problem.

However if you were trying raise the humidity in an air conditioned
space in summer the heat would add to the AC need and a cold unit might be
better.

The make up of your water might also be a consideration. Since a warm
humidifier heats the water and leaves behind any minerals from your water, if
you have "hard" water then keeping a warm unit working might be a problem.

Since a cold unit works by agitating the water into the air it
shouldn't leave behind as much in the way of mineral deposits.

Billy on the Florida Space Coast

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