Birdbath Cleaners, Set of 4

Don't let mineral buildup and organic growth cloud the water in your birdbath. Keep it fresh and crystal clear the way nature does, with the cleansing power of beneficial bacteria and enzymes. One disposable dispenser of our all-natural Birdbath Cleaner works for 30 days and cleanses containers up to 7 gallons. All-natural water clarifier is safe for birds Keeps birdbath fresh and crystal clear Easy to use-just place in birdbath Unobtrusive size, only 1-1/2" square Non-toxic and safe for fish, pets and aquatic plants Use when water is 50??F or warmer Set of 4 dispensers, a four-month supplyAll natural, beneficial bacteria and enzymes Set of 4, each 1-1/2" square Each works for 30 days, cleans up to 7 gallons Made in USA