Khoobg
Webmaster
Jan 4, 2001, 12:38 AM
Post #2 of 3
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Hi Kntry,
The function of the vegetable filter is to use plant to absorb the nitrate from the water. What most people do is to add plant to the last chamber and use pot with stone to support the plant. No sand or soil is necessary. Alternatively, you can also add an horizontal water way to lead water from the last section of the filter back to the pond and add plant along the water ways.
The overall arrangement is up to you as long as the root of the plant can reach the flowing water.
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