Continuum Aquatics Power-Cleanse HM Heavy Metal superior technology high affinity regenerable copper toxic metal adsorption resin for marine freshwater aquariums 500ml

"Power Cleanse-HM" is a supreme quality, high activity filtration resin particularly selected for adsorption of copper and other toxic metals in marine, brackish and freshwater systems include planted aquariums. It will outperform fiber pads and is more economical because it can be regenerated. Its light colored beads can turn light blue or shades of gray depending on the metals adsorbed and this indicates the need for regeneration. "Power Cleanse-H"M is regenerable over and over again for a minimum of 2 years in normal use.