A few years after we developed the original Medina Soil Activator, our customers suggested we add other ingredients to the old formula. We never gave up the original product, but we did introduce Medina Plus. It's fortified with essential micronutrients and growth hormones from seaweed extract. You still get all of the natural soil building advantages, while extra ingredients make it an excellent foliar feed for plants, trees, shrubs and lawns. Available in quart and gallon sizes.