Safe-N-Clean - Basal 2910-030 Chemical Safe-N-Clean Metal Sequester Gel Cubes - 2 Pack
Each gel-cap is premeasured and mess-free! Just place the cube in your pump basket. When the system is running, it automatically dissolves and starts going to work on trace metals and scale. Sequestered iron and scale are captured in your filter and rinse out normally with each filter clean or backwash. Each concentrated gel-cap treats up to 30,000 gallons of water and lasts 30 days. Simple, easy, Safe-N-clean!