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Plant oxygen plants in the deeper parts of the pond in zone 5. These plants are very important for water quality because they convert nutrients in the pond into oxygen. This oxygen is essential for bacterial decomposition of organic waste such as fish excrement, superfluous foodstuffs and plant waste. Oxygen plants grow quickly, preventing algal growth and rotting of vegetation in the soil layers on the pond floor. They are absolutely essential for a clear, healthy pond.
Oxygen plants are available as potted plants and in bunches. You can plant these bunches in pond baskets with pond soil or substrate, and then cover them with gravel. Allow 5 bunches per m3 (1000 litres of water) and plant them during or just after filling the pond in the period between March and the end of July. Plants which are already rooted in a pond basket can be put into the pond all year round.
