Directions for Use: It is a violation of federal law to use this product in a manner inconsistent with its labeling. Add 1 teaspoonful (5 ml) of PondCare AlgaeFix for every 50 gallons (190L) of pond/fountain water. Thoroughly mix PondCare AlgaeFix into pond/fountain by adding near the pump outflow, waterfall, or aeration device. PondCare AlgaeFix can be mixed in a bucket of pond/fountain water and evenly distributed around the pond/fountain. Repeat dose every three days until algae is controlled. Be prepared to siphon out dead filamentous algae. Once algal growth is under control, add one dose every 5 days. Weekly doses of PondCare AlgaeFix will control algal growth and reduce pond/ fountain maintenance. Caution: Do not use PondCare AlgaeFix with crustaceans, including; crabs, shrimp, freshwater shrimp and freshwater lobsters. WARM WEATHER CAUTION: Before using PondCare AlgaeFix, make certain that the pond has vigorous aeration - i.e., a fountain, waterfall, or aeration device to avoid fish loss due to low oxygen levels. When algae is removed by the filter or settles to the bottom of the pond / fountain, the oxygen level may drop to a harmful level if adequate aeration is not provided. Therefore, when using PondCare AlgaeFix during warm summer months, adequate aeration is required. Do not shut pond pumps and aeration devices off at night. See label for a complete list of precautionary statements. Compatibility: AlgaeFix can be used in ponds with live plants. Do not use with crustaceans, including crabs, shrimp and freshwater lobsters. For ornamental pond use only where all water is contained without any outflow.