Easy to Use Simply put it in the tank. Just wash it with soap and warm water, and you can put it back in the water tank again. Wash the cube with warm water before using. For best results, rinse or replace the cube every 3 to 6 months. OUR GUARANTEE We do our best to source the most unique and innovative products we can find, and to make sure that you, our customer, always has the best possible experience when shopping with us. If for some reason you don't have a positive experience with us, please let us know and we'll do whatever we can to make sure you are 100% satisfied with your purchase. AN AMAZING CAUSE We're thrilled to support First Book an amazing charity that donates books to disadvantaged children who need them the most. Note: Due to High Demand Promotional Items May Take Up to 10-15 business days For Delivery.
