L of technical grade 30% hydrogen peroxide per 100 L of solution (1 quart per 100 gallons). Air agitate the solution vigorously for 10ormore hours.
Add to the bath at least 750 g of finely powdered activated carbon per 100 Liters of solution (6 pounds per 100 gal). Continue to mix well for two hours. At the end of two hours, turn off agitation and allow solution to settle.
B3. Filter the carbon out of a small sample of the plating solution for hull cell testing. The resultant hull cell should