How much DE for 60 sq ft filter?

To determine the amount of diatomaceous earth (DE) needed for a 60 square foot filter, you generally need about 1 pound of DE for every 10 square feet of filter area. Therefore, for a 60 square foot filter, you would need approximately 6 pounds of DE. However, it's always best to consult the manufacturer's instructions for your specific filter to ensure optimal performance.