As long as parasites are not an issue, subdued colors and dark or brown tissue is, in
most cases, is the result of high nutrients. It can be assumed that either nitrate (NO3)
or phosphate (PO4) is present or too many other elements are available.
We do not recommend the addition of the following products from the start. Allow the
necessary time for your corals to adjust to the new environment. We recommend
dosing these products after coral tissue becomes lighter. The proper time to do this can
vary greatly and depends on your tanks starting nutrient load.
The following reactions can be observed when dosing the described elements and should
help in determining dosing rates: