With the initial dose, its key to make sure the system water is circulated properly so that the inhibitor is sufficiently mixed. Fernox recommend that you let the system circulate for at least 15 minutes. Also having the system on hot will help speed this up.
Can I overdose with Fernox Protector F1 or Protector + Filter Fluid?
No, overdosing is not detrimental to the system. It is important to ensure that sufficient Protector is present in the system. There is a test kit and a postal testing service to check the Protector concentration. Refer to Protector Test Kit product data sheet for further guidance.



















