Calculator / MN

MN

Target: max 0.4 ppb (DSR). Maximum rise per day: 0.1 ppb.

DSR goal is at most 0.4 ppb; raise the tank by at most 0.1 ppb per day.

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In a reef aquarium

Manganese is a trace element for photosynthesis and enzymes in corals and algae. In seawater it exists at extremely low levels (ppb). It supports balance with other traces; excess is more toxic than for many other trace additions.

Quick tips

  • Use the same unit for reading and target (e.g. both ppm, both dKH for KH, or both ppt for salinity).
  • Volume = effective system water in liters (rough estimate is OK, but the cleaner the better).
  • This only plans increases. If you are already too high, the tool will not offer a “raise” dose: use water changes, media, or advice from your coach — not more of the same product upward.

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