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API Water Softener Pillow 1 pk, Size 5 - Free Shipping


Removes calcium, magnesium and soluble heavy metals from aquarium water. Lowers hardness and softens water. Does not add harmful ingredients. Convenient pouch is fully rechargeable. For tanks up to 20 gallons. One pillow.


Benefits: 

  • Softens harder aquarium water.
  • Removes calcium, magnesium and soluble heavy metal ions.
  • Compatible Filter Type: All Filters
  • Compatible Tank size: 20 Gallons