The Retrosance program uses nature's processes and building blocks to revitalize your soil and to nourish your plants with the nutrients they need through each part of the growth cycle. 
 
The Retrosance system is easy to use. Your box will provide you with the organic and natural products your plants need each week for the next four weeks. 
 
Application is simple as you use a regular watering can to mix your products with water and pour onto your planting soil. A different mix of microbes or nturients are used each week (as prescribed on the application guide).