Re: [APD] Glass myths

["S. Hieber" <shieber at yahoo_com>]

There are at lest 2 kinds of "self-cleaning" glass. One
kind, hydrophillic,  attracts water into sheets, so rain
tends to wash the windows in sheets of water instead of
drops.

The other, with super thin surface film of microcrystalline
titantium dioxide, which, when excited by UV rays, sort of
dissolves the organic enough that it loses some of its hold
on the glass. 

The Pilkington stuff sounds like the photocatalytic
variety.

It might be nice to try a small piece in an aquarium to see
if it has any toxicity and if biofilm or spot algae
develops less quickly.

sh



--- Stuart Halliday <stuart at stuarthalliday_com> wrote:

> Anyone know if getting an Aquarium made out of Pilkington
> Activ Glass is 
> worth getting?
> 
> http://www.pilkington.com/resources/technicaltips.pdf
> 
> -- 
> Stuart Halliday
> _______________________________________________
> Aquatic-Plants mailing list
> Aquatic-Plants at actwin_com
> http://www.actwin.com/mailman/listinfo/aquatic-plants
> 


* * * * * * * * * * *
Have you uploaded your photos? 
Sent in the Photo Release Form?
Don't wait too long for that perfect picture-taking moment; the 
September 15 deadline for entries to the AGA Inernational 
Aquascaping Contest is fast approaching.  
 
Share the fun and show your work!

http://showcase.aquatic-gardeners.org
_______________________________________________
Aquatic-Plants mailing list
Aquatic-Plants at actwin_com
http://www.actwin.com/mailman/listinfo/aquatic-plants