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These underwater plants are very important to the pond ecology. They contribute to clear water and are sometimes referred to as "nature's filter". To be the most effective, they should be stocked at the rate of one bunch per one to two square feet of pond surface area or one bunch for every 12 to 24 gallons of water.
Besides helping water quality, these plants provide cover and protection for adult and baby fish. Goldfish will spawn on these plants, attaching eggs to the foliage where they soon hatch. Fish fry will be protected from adult fish until they can grow larger. Stock early to be able to get all benefits of these important plants.
Submerged oxygenator plants, like Anacharis, are sold as bare root cuttings, 6-8 stems held together by a rubber band. The plants should be planted in a pot of gravel so they can take nutrients from the pond directly through their foliage.
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