Pondseal can be used in a number of circumstances to prevent and repair water loss in a pond and is comprised of a limestone inner core coated in sodium bentonite. 

• Very little drift in the water column
• Particularly effective when working with permeable soils
• Useful in sealing overflow pipes, spillways and dams
• Pondseal is 1/4" to 3/8" in size and shaped like a pebble
• Application rate: 5 lbs./square foot