Seachem CupriSorb Copper & Metal Control Filter Media is a narrow spectrum, synthetic adsorbent based filter material for removing copper and heavy metals from either freshwater or marine water. It extracts all types of copper, including chelated copper, and remains effective until it turns a deep blue-black color. It may be regenerated repeatedly. If placed in continuous service, it will gradually extract even precipitated copper and make invertebrate culture possible in tanks previously heavily treated with copper. Seachem CupriSorb Copper & Metal Control Filter Media is a powerful copper specific chelating resin.
Regeneration: Soak in a non-metal container with 2 cups of water and 1/2 cup of muriatic acid (available with pool supplies: pay heed to warnings on acid container). This is best done outside and away from children. Soak for 1 hour, rinse well. Repeat as required to restore the original color. Rinse well, add sodium bicarbonate until foaming stops, and rinse again. CupriSorb is now ready for reuse. If original color cannot be restored after several acid washes, proceed with rinses and bicarbonate step, then regenerate as HyperSorb or Purigen.
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