Smartpower Rinse N - SUPER CONCENTRATED SOLID RINSE ADDITIVE Performance: Consistent sparkling and shiny results in soft water conditions. Efficiency: Optimal cost in use. 100 % usage. Minimal storage, long lasting blocks. Faster drying process, thus making your operation more efficient. Safety: Easy to handle and refill. Requires no PPE. Colour and shape coded. No mixing possible. Light weight. Sustainability: Up to 95 % less packaging and 70 % less transport.