The Planted Tank Forum - View Single Post - DIY PAR meter, Yeah you heard me
View Single Post
post #23 of (permalink) Old 11-10-2010, 07:02 PM Thread Starter
No more Bow ties
mistergreen's Avatar
PTrader: (13/100%)
Join Date: Dec 2006
Location: Cincinnati
Posts: 15,331
Here you go..

The proportions doesn't look like a x2 constant calibration... It looks like a gaussian curve (bell curve).... Will work on the equation unless some math wiz out there beat me to it

mistergreen is online now  
For the best viewing experience please update your browser to Google Chrome