purpose of dosing zinc and manganese

[4age]

I have noticed a few threads wherein guys have been dosing zinc and manganese.

What exactly does each element do for corals? How are you measuring the levels to prevent overdosing?

Is dosing done daily or weekly?

 

[4age]

Bump

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[boxfishpooalot]

Maganese and zinc are both precursors to photosythesis.