Both new, barely used, just bought them. Works great. Used this stuff for a year and a half with great results.
2x1gal as seen here:
http://www.jlaquatics.com/phpstore/s...uct_ID=esv-155
2x16oz as seen here:
http://www.jlaquatics.com/phpstore/s...uct_ID=esv-150
Total new value $51.70 + tax.
Asking $30