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What one dose does
PARAMETER
1 g / 100 L
Magnesium
+2.0763 ppm
To raise magnesium by 50 ppm in 100 L: 24.1 g.
How it’s used
Mainly mixed with BRS Mg chloride (sulfate-rich ratio for 2-part maintenance, low ratio for big corrections). Dry use: dissolve fully and add slowly.
Cautions
• Raise Mg no more than 100 ppm per day
• Sulfate-only Mg long-term raises sulfate; not for large corrections
Part of BRS 2-Part
Sources
If a user substitutes Epsom salt (heptahydrate) the potency is ~26 ppm per g/gal, about half - flag in UI. Cup weight implied by Balling recipe: 2 cups = 332 g (~166 g/cup).