Poolife™ Thermal Shield provides a safe, non-toxic, invisible barrier on the pool surface that prevents heat loss and conserves water. Exclusive easy- to-use liquid formula is safe for all pool surfaces and compatible with all sanitizers, including chlorine, salt and biguanide. Features: • Forms a tough, invisible barrier that prevents heat loss and conserves water • Reduces water loss by up to 40% due to evaporation • Replaces the need for an expensive solar pool cover/reel • Will not interfere with chemical balances Benefits: • Economical way to extend the swimming pool season • Saves money on both water replacement and pool chemicals • Unnoticeable, with no taste, feel or odor • Simple, safe way to save money on pool costs Directions for Use: • Poolife™ Thermal Shield is designed to be used in the pool throughout the entire swimming season. • How to Use: Follow dosage chart • How to Apply: Add directly to the surface of the pool » Note: Shake well before use. Do not add within 24 hours of shock treating the pool. • No down time! Safe to swim