Possibly, but I don't believe it's enough attenuation in the tiny bit that
plants might use to be an issue.

The film is intended to reflect long-wave IR (heat) more than anything.

--

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


"Pat Brennan" wrote in message
...

"Ray" wrote in message
. ..
Yes, it decreases the overall intensity, but without having a great deal
of effect on the spectrum.

Ray, Don't they block out parts of the UV spectrum? Pat