Winter-proof 1L

"Preserve your pool water during the winter months with this effective treatment. Instead of draining all the water, this product can help keep the water in good condition. It's easy to start up in the spring and ensures you don't have to add water again. Combine this product with BSI Cristal Clear and HTH Fast-acting Chlorine for optimal results. Follow the instructions for correct product application." Product Specifications: - Preserves pool water during winter months - Easy to start up in spring - Combine with BSI Cristal Clear and HTH Fast-acting Chlorine for best results - Follow instructions for correct use - No mention of stores where the product is available - No mention of delivery times