MARS FISHCARE N AMERICA INC. API Pond 32oz Chlor Heavy Metal Neutralizer — Single Unit

API® Chlorine & Heavy Metal Neutralizer 32oz - Treats 19,200gal Instantly removes chlorine and neutralizes chloramines. It also detoxifies heavy metals such as copper, lead, zinc, and other heavy metals found in tap and well water. Use this in freshwater ponds when filling, adding or changing water.