Orb-3 Pool Enzymes conditions water to naturally purge itself of body oils, lotions, cosmetics, urine, and other organic materials, leaving pools crystal clear and odorless. It is compatible with whatever chemical treatments you might use and reduces the need for using excessive amounts of chemicals. It helps stabilize pH levels, avoid water upsets, retards the growth of slime and algae, and is effective on scum lines. Perfect for both in-ground and above-ground pools, Orb-3 Pool Enzymes are the secret to great looking pool water year-round. Orb-3 Pool Enzymes eliminate scum and water lines, keep filters cleaner longer, and support optimal water balance without polluting your pool with harmful chemicals.