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To raise magnesium by 50 ppm in 100 L: 50 ml.
Maker’s daily maximum: 50 ml per 100 L (50 ml for 100 L).
Liquid Mg for correcting shortfalls; dose by test and daily uptake, no more than +50 ppm per day.
• Old-formula bottles (no red badge): 7.5 ppm per 10 ml/100 L
maxDose derived from the 50 ppm/day limit (Lab Mg Plus allows 100 ppm/day).
aquaforest.eu/en/products/seawater/water-treatment/mg-plus-2/