The Frog 01143812 Mineral Sanitizer is a blue-colored granular mineral sanitizer designed for fresh water pools and spas. Made by the brand Frog, this floating mineral sanitizer is compact in size, measuring 2 inches in height, length, and width. It is a popular choice for maintaining clean and clear water in outdoor pools and spas, providing a convenient and effective solution for sanitizer in your yard and garden. Made in the United States, this mineral sanitizer helps to keep your water crystal clear without the need for constant chlorine addition.