I feel like this is one of the more underrated questions and its answer can be hard, but how do you test the water current to make sure that it has proper flow in all areas (avoiding dead spots unless created underneath rocks) without creating areas that have way too much of a current?
Is there any specific tests that can show if it’s strong, but not too strong for species who might wonder within or when they are sleeping? What’s the best location for corals based on water currents?
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