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What one dose does
PARAMETER
1 ml / 100 L
Magnesium
+0.3785 ppm
To raise magnesium by 50 ppm in 100 L: 132 ml.
Maker’s daily maximum: 39.6 ml per 100 L (39.6 ml for 100 L).
How it’s used
Add 1.5 ml per US gal of tank volume per day (about +15 ppm/day) until Mg reaches 1200-1350 ppm, then dose only as tests require.
Cautions
• Raise no faster than the labelled ~15 ppm per day
Sources
BRS calculator lists it as 'E.S.V. Magnesium Chloride' with constant 10 ppm per ml/gal. Designed not to disturb ionic balance when used with B-Ionic or kalkwasser (contains no sulfate-only/chloride-only bias per ESV).