Robyn confirms animal tank de-icers can work in ponds if the heating element cannot touch the liner. Effectiveness depends on wattage. See her winterizing page for more options.
Perennial Plants for Pond Banks in Minnesota
pH Adjustment for Fish Transfer: Raise Old Pond, Not Lower New
Clear Worms in Filter & on Pond Bottom: Snail Eggs
Diagnosing Fish Deaths in a 75-Gal Pond: Beyond Basic Tests
Clearing Muddy Water in a Natural Pond After Construction and Heavy Rain
Sourcing Madtom or Bullhead Catfish in Southern California
Planning a New Pond: Pump, Filter, and UV Sizing for 5.5×5.5×3 ft
Pond Liner in a Bog Garden: Which Side Up?
Overwintering Pond Cannas Without a Basement
What Is Bt (Bacillus thuringiensis) and How Does It Control Caterpillars?
Winter Pond Draining: Why Keeping Water In Protects Your Liner
Activated Carbon in Koi Pond: Clearing Tannins and Salt-Tolerant Lilies
Copyright © www.100flowers.win Botanic Garden All Rights Reserved