Filtration system for pet water fountain, and method for water filtration

A filtration system for a pet water fountain, wherein the pet water fountain comprises a basin configured to hold a volume of water accessible to a domesticated pet, and a submersible pump having a pump inlet and at least one pump outlet configured to circulate water within the basin, and the filtration system comprises:

• a first stage comprising a copper alloy filtering medium;
• and
• a second stage comprising a granulated activated carbon medium;
• and wherein the first stage and the second stage form two stages of a multi-stage filtering device configured to filter water during circulation so as to (i) filter sediment and hair from the water, (ii) remove at least a portion of chlorine from the water, (iii) reduce bacteria in the basin, (iv) reduce soluble heavy metals in the water, and (v) control scale and algae in the basin.

A method of filtering water for a pet water fountain, comprising:

• receiving a pet water fountain comprising:
• a basin configured to hold a volume of water accessible to a domesticated pet;
• a pump having a pump inlet and at least one pump outlet, the pump being configured to circulate water within the basin;
• and
• a multi-stage filtering device residing within the basin and configured to filter water during circulation so as to (i) filter hair from the water, (ii) remove at least a portion of chlorine from the water, (iii) capture inorganic solids, (iv) reduce micro-organisms, (v) reduce bacteria in the basin, (vi) reduce soluble heavy metals in the water, and (vii) control scale and algae in the basin. placing water into the basin;
• and
• providing electrical power to activate the pump and, thereby, circulate the water across the multi-stage filtering device.

The method of claim 25, wherein:

• (i) the first stage resides near the pump inlet and the second stage resides near the pump outlet;
• (ii) the second stage resides near the pump inlet and the first stage resides near the pump outlet;
• (iii) both the first stage and the second stage reside near the pump inlet;
• or
• (iv) both the first stage and the second stage reside near the pump outlet.