As an Amazon Associate we earn from qualifying purchases. Buying through these links costs you nothing extra and helps keep the app free.
To raise iodine by 0.02 ppm in 100 L: 0.014 ml.
Pharmacy 'Strong Iodine Solution USP' or a reef-labeled Lugol's (e.g., Brightwell). Brand strengths differ - always read the label's mg/ml.
• One drop in 100 L roughly equals the entire natural iodine content (~60 ug/L); dilute 1:100 in RO/DI before dosing.
• Elemental I2 is more toxic/oxidizing than iodide; dose diluted into high flow away from livestock.
• Test-driven only; skip if iodine already >= ~0.06 ppm.
• Stains skin/surfaces; corrosive to metals; keep from children.
pH effect: neutral at dose; I2 is an oxidant.
Pharmacy 'Strong Iodine Solution USP' or a reef-labeled Lugol's (e.g., Brightwell). Brand strengths differ - always read the label's mg/ml.
reef2reef.com/threads/k-sr-and-i.382812/