These premium stainless steel and bronze pumps provide quiet operation and trouble-free use in freshwater, saltwater, chlorinated or brominated water (3-5ppm). They can also be used in hot water applications up to 110 degree F. Use submerged or in open air below water level for ponds, water gardens, medium to large fountains, water displays, waterfalls, streams and for aeration. If, after 30 days, you are having a problem with your Little Giant, Franklin, or Red Lion product, call the Franklin Electric Tech Support Team at 888-956-0000 for Troubleshooting and Warranty Instructions. The Tech Support Team is available M-F from 7:00am-4:30pm CST.