BIOSPHERE BALL - BACTERIA CAREFREE ENZYMES: BIOSPHERE BALL - BACTERIA $9.25 SKU: CFE93001 QTY: Click here to save 5% off of your order! BIOSPHERE BALL - BACTERIA Keep your pond water at its optimum health using the CareFree Bacteria Biosphere. This small sphere is filled with beneficial bacteria which helps balance your ecosystem. The ball fits inside your skimmer or may rest unobtrusively next to your pump. Beneficial bacteria slowly disperse throughout your pond over 30 days with aid from moving water, keeping your water feature healthy and balanced. The CareFree Bacteria Biosphere is safe for all plant, animal, and marine life and may treat ponds from 1 to 2500 gallons. Made in the USA.