Ring of 18 interconnected vertical plastic tubes filled with water, that provide a warm summer-like growing environment.
Releases 1.8 million calories of heat when the water freezes. Warms the soil at night.
Protects against frost down to 16°F.
Use to plant 2 months ahead of normal planting time. Each Wall-O-Water encircles an 18 diameter area, just right for tomatoes, peppers, eggplants, melons and other heat-loving, frost sensitive plants.
These cost-effective mini-furnaces can be reused season after season.
Damaged sections can be fixed with repair inserts.
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