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04-23-2007, 05:52 PM
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Senior Member
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Join Date: Jan 2007
Zone: 3a
Location: Edmonton, AB, Canada
Posts: 1,218
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Quote:
Originally Posted by Djarum Black
The only wood that I know needs to be avoided is pine. The sap from the pine tree is toxic to orchids.
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Thanks
...wow avoid pine with orchids too! I heard too keep pine away from many different pets
__________________
Fren
Orchidacea are the largest and most diverse of the Angiospermae, and includes 800 genera and 30 000 species
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04-23-2007, 06:01 PM
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Roots are good
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Join Date: Sep 2006
Zone: 5a
Location: Cadillac, Michigan, USA
Posts: 8,320
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Quote:
Originally Posted by Tindomul1of9
I was thinking about Oak. Then an alarm in my head rang off saying, Tannins! Tannins!! But now I just realized that the wook I use in my vivarium is chuck full of tannins. Haven't had any problems there.
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Nothing wrong with oaks that I am familiar with. Most oak branches don't release tannin under the conditions orchids grow in.
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Ross
http://orchids-ross.blogspot.com/
I don't do most Dendros or large, "floofy orchids". For me it's minis (like Angraecoides), Masdies, Paphs, and others that crept in somewhere along the line. See my orchid list for complete collection (usually not current.)
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04-23-2007, 06:38 PM
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Moderator
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Join Date: May 2005
Location: Queens, NY, USA
Age: 28
Posts: 7,500
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So the Tannins are harmful they just don't leach out undernormal circumstances?
How about watering our orchids with tannic water?
__________________
All that is gold does not glitter,
Not all those who wander are lost;
The old that is strong does not wither,
Deep roots are not reached by the frost.
-J.R.R. Tolkien, LOTR, Fellowship of the Ring
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04-23-2007, 06:46 PM
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Roots are good
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Join Date: Sep 2006
Zone: 5a
Location: Cadillac, Michigan, USA
Posts: 8,320
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I think you're on the wrong track. Tannins are a problem when they leach from tannic acid producing plants. Oak acorns have tannic acid, but we aren't considering those are we? We aren't watering our orchids with water that comes from high tannic acid bogs are we? So I contend that small oak branches or slabs of oak bark are OK ( and I've proven that with exceptional growth from certain Encyclias mounted to Live Oak bark slabs.) Sometimes what we read gets in the way of common science and everyday results. Just my opinion, of course.
__________________
Ross
http://orchids-ross.blogspot.com/
I don't do most Dendros or large, "floofy orchids". For me it's minis (like Angraecoides), Masdies, Paphs, and others that crept in somewhere along the line. See my orchid list for complete collection (usually not current.)
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04-23-2007, 06:51 PM
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Moderator
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Join Date: May 2005
Location: Queens, NY, USA
Age: 28
Posts: 7,500
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Well the reason I ask is because in some of my vivs, my pond water has tannic acid due to the decomposing Magnolia leaves in the tank. Sometimes when I'm taking out excess water, I tend to water my orchids with it. I suppose I should cut that out. I don't water all of them, just the ones in the tank, with whatever water is in the turkey baster I use to take out the excess water.
__________________
All that is gold does not glitter,
Not all those who wander are lost;
The old that is strong does not wither,
Deep roots are not reached by the frost.
-J.R.R. Tolkien, LOTR, Fellowship of the Ring
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04-23-2007, 06:54 PM
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Roots are good
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Join Date: Sep 2006
Zone: 5a
Location: Cadillac, Michigan, USA
Posts: 8,320
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Only problem (I know of) with tannic acid water is the acid, so add some pH UP compound (like for spas) and you should be good to go.
__________________
Ross
http://orchids-ross.blogspot.com/
I don't do most Dendros or large, "floofy orchids". For me it's minis (like Angraecoides), Masdies, Paphs, and others that crept in somewhere along the line. See my orchid list for complete collection (usually not current.)
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04-23-2007, 06:56 PM
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Moderator
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Join Date: May 2005
Location: Queens, NY, USA
Age: 28
Posts: 7,500
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Thanks Ross!
__________________
All that is gold does not glitter,
Not all those who wander are lost;
The old that is strong does not wither,
Deep roots are not reached by the frost.
-J.R.R. Tolkien, LOTR, Fellowship of the Ring
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04-23-2007, 06:57 PM
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Roots are good
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Join Date: Sep 2006
Zone: 5a
Location: Cadillac, Michigan, USA
Posts: 8,320
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Quote:
Originally Posted by Tindomul1of9
Thanks Ross!
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Get it in pet store like Petsmart or maybe WalMart. Aquarium area.
__________________
Ross
http://orchids-ross.blogspot.com/
I don't do most Dendros or large, "floofy orchids". For me it's minis (like Angraecoides), Masdies, Paphs, and others that crept in somewhere along the line. See my orchid list for complete collection (usually not current.)
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04-23-2007, 06:59 PM
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Moderator
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Join Date: May 2005
Location: Queens, NY, USA
Age: 28
Posts: 7,500
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Yea, Im not sure its worth it to put pH up into the water in a little turkey baster, unless I collect the water inorder to water all of my orchids. In which case it would probably be better to just add fertilizer and accomplish the same goal. Thanks though! Im just gonna cut it out. 
__________________
All that is gold does not glitter,
Not all those who wander are lost;
The old that is strong does not wither,
Deep roots are not reached by the frost.
-J.R.R. Tolkien, LOTR, Fellowship of the Ring
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04-23-2007, 07:52 PM
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Orchid Poor Member
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Join Date: Oct 2006
Zone: 6b
Location: Maryland
Posts: 460
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Yea, we were sad to see ol' Hickory go, but we have to replace our septic system and it was in the way. 
I want to thank everyone who responded.  Your input is very much appreciated.
I'll let you know how the mounting project goes in a few months.
Tess
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