Earth-Friendly Products for Birdbaths and Fountains. Microbe-Lift Small Fountain Clear, for smaller tabletop fountains. Prevent organic contaminates from forming (i.e. crusty white scale deposits, iron, copper, hard water stains) using two unique technologies; one helps prevent the buildup of stains, mineral deposits and scum on the birdbath or fountain surface; the second uses bio-enzymatic activity to keep water clear and free from the organic debris that can make water cloudy.