Yea, it's water soluble, but it still makes a good concrete sealer
because it reacts with the lime and calcium.
-- John Bower, The Healthy House Institute http://www.hhinst.com/ email: firstname.lastname@example.org 430 N. Sewell Road, Bloomington, IN 47408 Phone/fax 812-332-5073 __________________________________________________________________ This greenbuilding dialogue is sponsored by Oikos (www.oikos.com) and Environmental Building News (www.ebuild.com). For instructions send e-mail to email@example.com. __________________________________________________________________