Thanks for your reply, despite what others may say I can see that there is
some sort of a coating on most of the unglazed I have inspected. If you chip
it off it will often reveal a lighter colored clay. I thought they did this
because they used cheaper grades of clay for the pots I have bought. To
your question as to why I think they should breath. I thought it would help
keep free water from laying in the bottom of the pot. Maybe not a good idea
but I thought it sounded good.

Thanks

Kevin


You are partly right. Most of the so-called unglazed pots are actually
slip-glazed in a matte finish. If you don't like brown, keep looking.
Sometimes
you can find them in tan or gray.
However, why do you want the pot to breathe when it is not supposed to?
Good
bonsai pots, unglazed or not, are stoneware, which is fired high enough so
the
clay fuses and is waterproof. An earthenware pot, which is porous, would
not
last very long, especially for a hardy bonsai which is exposed to
freezing.

Iris,
Central NY, Zone 5a, Sunset Zone 40
"If we see light at the end of the tunnel, It's the light of the oncoming
train."
Robert Lowell (1917-1977)


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