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An End to the Green Water? Sant Elm Tests Seawater Circulation

Can Pumps Help Reduce Algae on Mallorca’s Coast?

Sant Elm is testing seawater pumps to limit algae. But circulation alone may not solve the deeper causes of green water.

Published: April 21, 2026
An End to the Green Water? Sant Elm Tests Seawater Circulation

Answer

Can pumps help reduce algae in Mallorca’s coastal waters?

Pumps can increase water movement and may help reduce visible algae by changing how nutrients and water layers mix near the shore. In Sant Elm, that is exactly the idea behind the current test. Still, mechanical circulation is only one possible part of a wider solution, especially if nutrient sources on land or from boats are still present.

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