Danner - - PondMaster Lake & Pond Colorant

It helps maintain a small opening in the frozen surface of your pond in order to release harmful gasses and helps keep fish alive during the cold winter months. Internal Electronics Epoxy Sealed for Watertight Protection Will not harm Flexible Liners or Pre-formed Ponds For use in Ponds up to 250 Gallons Rugged, High Impact ABS Plastic 18' Power Cord with a 2 prong polarized plug 120 Watts of Heating Power1 year limited warrenty