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What one dose does
PARAMETER
1 ml / 100 L
Iodine
+0.0764 ppm
To raise iodine by 0.02 ppm in 100 L: 0.26 ml.
How it’s used
ESV lists it as a weekly additive; no label dose found. Dose small amounts based on an iodine test.
Cautions
• Very concentrated: 1 ml per 100 L is roughly 1.2x natural seawater iodine (~60 ug/L) in a single dose
• No manufacturer dose found; dose by test only
Sources
Only the concentration (1%) is published; dosing directions not found. Possibly sold later as 'B-Ionic Iodide' (ESV's 2018 page names B-Ionic Iodide as a weekly additive).