McGrayel FountecOrganic polymers that keep water
clean, clear, and algae-free. Kills &
inhibits algae and bacteria. Non-
staining. Safe for birds, plants, animals, but NOT FISH - use in tabletop
McGrayel ProtecFor scale-free and stain-free surfaces. Contains phosphonates for protection against white mineral deposits
and metal stains on fountain surfaces. Treats 25 gallons per ounce.