ELISA Microwell Coating Stabilizer is a ''ready-to-use'' 1X solution for stabilizing ELISA plates for storage prior to preforming ELISA. After the addition of blocking agent, wash the contents of ELISA microwells and add a sufficient volume of ELISA Microwell Coating Stabilizer to each well of the microplate. Let stand for 30 minutes at room temperature. Aspirate contents of each well and allow the plate to dry. Store appropriately for future use. This buffer contains phosphate buffered saline and proprietary reagents to stabilize and preserve ELISA plates. This buffer is a proprietary combination of stabilizers and preservatives that is azide and mercury free.