Just curious, how much money do you save by using pine over an alternative such as carefresh or aspen or whatnot. Pine has been shown to cause RI in rodents (and other animals) due to the release of aromatic carbon compounds (phenols and such).
What source are you using to verify? Please provide it.
I may not be very smart, but what if I am?
Stinky says, "Women should be obscene but not heard." Stinky is one smart man. www.humanewatch.org