Red Sea 4 Part Complete Reef Care Dosing System

Red Sea

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Fixed Ratio

Our long-term research has revealed that in reef systems without a refugium, the 36 Major, Minor and Trace elements and even the Alkalinity components are used up in a relatively fixed ratio, enabling you to supplement all element groups according to a measured Calcium uptake.

...dose by Calcium

Since Calcium is the key indicator to coral growth, the 4-part program revolves around a single weekly measurement of Calcium, which determines the dosages of all 4 parts.

And here is how it works
The four parts are formulated into an easy-to-implement ratio. So, if Part-1, which includes Calcium, is 5mL, Part-2 will be 10mL and Parts 3 and 4 will both be 2.5mL
Simply set the