The Laguna winterizing products will keep an area thawed and open in the pond, allowing the release of toxic gases from fish respiration and decomposing organic matter to escape, which is essential for fish survival. At the same time it allows oxygen to re-enter the pond.
500 Watt De-Icer
Suitable for garden zones
1 to 8 (-6º C / 20º F)
• Safe for plastic and liner ponds, will not harm fish or plants
• Dual zone integrated thermostats
• Made of stainless steel which gives it an extremely high impact resistance
Adapts easily to most water pumps. Recommended for temperatures
-20° C / -4° F.
• High-density styrofoam float 35 cm (14") diameter
• Extendable riser stem
• Venturi valve for aeration
• Water pump not included
Note: De-icers are not meant to heat the pond, only to aid in gas exchange. Safe for plastic and liner ponds.