5 OZ. CHEMI-PURE

Chemi-pure original remains a revolutionary product for over 60 years. Chemi-pure produces consistent results that make it easier to maintain a beautiful and healthy aquarium. Chemi-pure can be used with all water types as a chemical absorption filter, ion generator, and exchange unit to positively keep pH at a perfect and constant level. Cgemi-pure does not remove trace elements and is the only filter medium which aids in the natural balance of positive and negative charges, with an emphasis on the beneficial negative ion.