Lucky lucky.... That garden gold won't last forever. My DMS has used it for years and swears by it but dont let what you set aside for future years get rained on. Cover it so the nutrients dont break down and wash away. Blend into your growing beds only enough for 1 to 2 years and as needed from the dry covered pile. When exposed to the weather the nutrients are released. But like a tea bag, the strength wanes over time.