I started wondering if using DOW blue board was really safe for aquaponics. Well the anwser was "NO" after calling the 1-888 # on the product pdf, I said I'm looking to purchase a large quantity of blue board for Aquaponics, he said ok let me take down all your information. He took my name, address, business name, phone # and then said that DOW did not endorse my application for their product and…