- Built-In Temperature Monitoring: This compact 12.5 cm floating dispenser includes an integrated thermometer that shows water temperature in both Fahrenheit (℉) and Celsius (℃). Quick readings help you maintain appropriate conditions and guide sanitizer tablet use for optimal spa or pool care. - Versatile Pool & Spa Compatibility: Designed for use with sanitizing tablets across hot tubs, spas, inground pools, and above-ground pools, enabling one feeder to support multiple water systems. - Secure Twist-Lock Lid Design: The locking lid keeps tablets contained and releases them at a controlled, steady rate for consistent water care results. - Durable & Long-Lasting Construction: Constructed from resistant ABS plastic, this feeder is built to endure prolonged exposure to pool water for reliable, long-term performance. - Use scenarios: Ideal for use in a hot tub or spa to maintain steady sanitization during use; suitable for inground or above-ground pools to support regular seasonal maintenance; convenient for shared facilities or rental properties to simplify dosing with predictable tablet release.