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Olla

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  1. Is it possible to fire terra cotta clay on a gas grill? I read some posts about using a charcoal grill to fire clay and thought that a gas grill might work, but after leaving it on the grill for an hour and cooling overnight, the clay still dissolves in water. I am interested in making ollas or pitchers buried in the ground with just the opening spout showing at the ground level for irrigation purposes. The clay needs to be waterproof, able to hold water, but porous so that the water seeps into the soil slowly as plants have need for water.
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