Effortless Bird Bath Maintenance: This 1mm thick copper disk helps slow down dirt and residue buildup in bird baths. Simply remove surface debris and refill with clean waterdeep cleaning is typically only needed every 1-2 weeks, saving time and effort Pure Copper, No Chemicals: Made from 99.9 percent independently tested pure copper, this disk provides a safe, natural way to support cleaner waterfree from harsh chemicals and safe for birds, pets, and people alike Stays in Place, Works Efficiently: The unique triple-point support design keeps the disk flat and stable, maximizing water contact for better performance without flipping or floating Naturally Supports Cleaner Water: When submerged, the copper gradually forms a natural patina that gently supports long-term water clarity. Its designed for continuous, chemical-free maintenancenot quick fixes Reliable All-Season Use: Whether paired with a heater, fountain, or standard bowl, this durable copper disk is built to perform in any weather, making it a dependable companion for your backyard birds year-round Warm Tip: For best results, start with a freshly cleaned bird bath bowl before first use. This disk helps reduce buildup over time, so beginning with a clean bowl helps extend the time between deep cleanings Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store