KEVIN YOU MIGHT WANT TO TRY A PRODUCT CALLED M-1 MADE BY JOMAPS IT IS SODIUM HYDROXIDE BASED AND WORKS MUCH BETTER THAN THE SOLUTION YOU DESCRIBED YOU CAN PURCHASE SOIUM HYDROXIDE BY THE BARELL FOR AROUND $50.00 AND CAN DILUTE IT TO BETWEEN 12-20% WITH A TOUCH OF NON BUTYL BASED DETERGENT 1 DRUM...