I was going to put a small at litter box in the pen so the girls can bathe in it. My guess is they will try to eat it. Reading the MSDS for it makes me nervous. Do you think its ok to put in?
Here's the MSDS:
http://www.quikrete.com/PDFs/MSDS-B4-Playsand.pdf
Here's the MSDS:
http://www.quikrete.com/PDFs/MSDS-B4-Playsand.pdf