Potassium iodide / fluoride concentrate:
The addition of this supplement leads to improved blue colors in SPS. In contrast to PVP
iodide or Lugols Iodide solution, there is no tissue darkening as long as the amount is
appropriate. As a starting dose we recommend to dose 1 drop per 25 gallons, however
the dosing amount and interval should be adjusted to your tank. A very good indicator
for dosing is yellow coral. If your yellow corals display a green shimmer, it is an
indicator of over dosage of this product (or iron concentrate). When this happen, we
recommend that dosing be ceased until coral colors become intense yellow again. With
blue acropora, dosing should be done when colors become less intense. In most cases,
dosing twice weekly at a rate of 1 drop per 100 liters should be sufficient. This
supplement can also be used in tanks not using the ZEOvit® method.