Egeria densa is a good plant for beginners, and its rapid
growth helps create a balance in the aquarium from the start. It can also
help prevent algae because it absorbs a great number of nutrients from the
water. The plant secretes antibiotic substances which can help prevent
blue-green algae (a type of bacteria). The growth rate depends largely on the
amount of light and nutrition available. Growth does not stop in unfavourable
conditions, but the plant turns light in colour and the tendrils grow thin.
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