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How to grow water chestnuts
Find a large container to house your water chestnuts.
Purchase a large drum or plastic tub to house your water chestnuts. A 100 liter (26 us gal) container will yield 30-35 mature water chestnuts.

[1]. Consider creating a small space inside of the container, since water chestnuts tend to grow in stagnant water. If you use a larger container, you may not get enough water for planting on top of the water chestnuts..
[2]. Where possible, store your chestnuts in a warm, shaded spot. You should provide at least the proper amount of humidity, but not so much as to injure your plants..
[3]. If you want to grow more chestnuts, use a larger container. Fill the container with an organic potting mix..
[4]. Check the water supply to ensure that it is properly drained before you begin. Tropical and south american water chestnuts grow best in tropical gardens and fresh soil..
[3].