Quote:
Originally Posted by sphelps
You don't want to use PIF to raise the potassium level, but you can use it to maintain it. When used properly that is exactly what it's made for, maintaining both potassium and iodide levels. By "properly" I mean never exceeding dosing instructions and using a little common sense. For example if it states 1 drop per 25gal daily I would assume this is for a fully stocked high demand system, if you have a medium demand system you would dose half.
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Well... no. PIF is a color refining product that has little of no capability of maintaining any significant levels of K+. The biggest problem with trying to achieve any form of K+ dosing with PIF is that it WILL result in an overdose of Iodide. You're better off doing water changes with a salt that has elevated levels of K+.
That said, PIF is untouchable for producing vivid blue coloration.