Florida Blend tennis court surfacing material is a great product for the construction and resurfacing of clay tennis courts, bocce courts and horseshoe pits throughout the southeastern U.S. Florida Blend clay court surfacing material is manufactured exclusively for 10-S Tennis Supply by Har-Tru Sports. Florida Blend is manufactured at the same facility as Har-Tru using the same green igneous metabasalt stone to our specific requirements. Florida Blend is available in 80 lb. or 50 lb. bags. Please call for pricing.