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Solutions against green water in ponds

Having a pond in the garden is a real pleasure for the senses: being able to feel the freshness, listen to the murmur of the water, observe the life of aquatic species … Of course, it can become the most special corner of your home, in which you can enjoy unique moments. Of course, for it to look in your garden it needs certain care and maintenance, especially if you do not want the water to acquire a too green color.

This problem, which is one of the most frequent in ornamental ponds, is due to the presence of algae in suspension in the water. These proliferate to find in the water an ideal environment to live thanks to the nutrients and the light. That is why in the following green ecology article we will talk about solutions against green water in ponds .

You may also be interested in: Tips to keep your pond water clean
  1. Causes
  2. Plants that absorb nutrients
  3. Fishes
  4. Other tips


Among the causes that make pond water green are also:

  • Excess sun exposure
  • Overpopulation
  • Excess food
  • I think of poor quality
  • Poor water quality
  • The constant fall of leaves from the trees
  • The accumulation of rainwater debris.

Therefore, to avoid green water, we must combat everything that we have just mentioned.

Plants that absorb nutrients

One of the best solutions to avoid excessively green water is to increase the number of plants that absorb the nutrients that feed the algae and that offer shade to the environment. It is also a good idea to build pergolas (with or without plants), plant palm trees, use fluctuating plants, or find ways to generate shade to balance the brightness of the pond.


On the other hand, it is important to adapt the number of fish according to the size of the pond. Of course, it is necessary to feed these animals with a quality feed and in a controlled way. You should also increase partial water changes to avoid high levels of nitrites, nitrates …

Other tips

Finally, to find solutions against green water in ponds , we recommend that you:

  • Keep the edges slightly higher to prevent dirt from getting in.
  • Protect the pond from falling leaves.
  • Install a UV filter.

If you want to read more articles similar to Solutions against green water in ponds , we recommend that you enter our Garden Care category .

Maria Anderson

Hello, I am a blogger specialized in environmental, health and scientific dissemination issues in general. The best way to define myself as a blogger is by reading my texts, so I encourage you to do so. Above all, if you are interested in staying up to date and reflecting on these issues, both on a practical and informative level.

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