Introduction: Pond De-icer - DIY Pond De Icer and Heater Idea
Here the thermometer can reach -43 degrees. I made a de-icer system for my pond to save my fish. Step by step guide with pictures:
Since 2007 I nerver loose one fish with this system.
Read more: All my water gardening projects
Instructions en français (french instructions): Déglaceur pour bassin extérieur