Frank,
I have a pink Goniopora that stayed the same for 4 years.
With this product it has started growing.
Potassium I have no idea but there are 2 versions, one for nitrates over 5 & 1 for under 5.
Frank I've only been using it a couple of weeks and don't really notice any change except some cyno which I can't say if that's the cause. I'm carbon dosing so I'm using the regular.
I would worry to much about potassium unless you r tank is heavily populated with SPS. I've been dosing potassium, strontium, iodine and although the TE has potassium in it I don't think it's much because it hasn't effect the amount I have to daily dose.
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Dosing @ once requires doing it within a few hrs. of the lights coming on.
That's how I do it now but just got a single doser to do it for me when not around.
I really can’t see any significant difference, but it can’t hurt so I’m still dosing it ....however I did change my potassium dosing product. Because of the amount I’m dosing. The ESV contains iodide.
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