This is a single-element rubidium supplement for reef keepers who want to correct one specific trace element rather than dose a general blend. It is designed to be used alongside ICP water testing, so you can adjust rubidium on its own once your results show where your levels sit.
Using it is straightforward. Check your ICP results, decide on the rubidium level you want to hold in your tank, then enter those figures into the manufacturer's trace element dosing calculator to work out how much to add. If you already know how quickly your system uses up rubidium, you can set your dosing to match that rate.
As a guide, 1ml (20 drops) lifts rubidium by 0.006 ppm (mg/L), or 6 ppb (µg/L), in every 100L of tank water. It suits experienced aquarists who test regularly and are comfortable fine-tuning individual elements. Supplied in a 50ml bottle.
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