This 25kg bag of Feed Grade PDV Salt is perfect for use in various water treatments such as hot tubs, koi ponds, ponds, swimming pools, agriculture, and even de-icing paths. The product is a water treatment solution that helps to control the salt levels in the pond. It is made of high-quality salt and is designed to be effective in improving the overall health of the pond. This product is a must-have for anyone who wants to maintain a healthy and clean pond. POSTAGE UK MAINLAND ONLY (Exludes Scottish highlands and Channel Islands) Packaging may differ from photo shown but the contents are exactly the same.