Hi, Marcel.

I can talk specifics, but most orchids do well with a pH in the low- to mid
sixes.

Again, just a generalization, but it's probably best to avoid a lot of
sodium and all chlorides.

--

Ray Barkalow - First Rays Orchids - www.firstrays.com
Plants, Supplies, Artwork, Books and Lots of Free Info!


"Marcel Larouche" wrote in message
.. .
Hi all,

What is the ideal pH for orchids ? ....specially for Paph. sanderianum
and rothchildianum ?
What is the mineral salts are dangerous for orchids ?




Marcel,