Dosage: 1ml will raise Iodine levels of 100 liters (25 gal) by 0.03 ppm and other metals with a respectively ratio.
Caution: never exceed daily usage recommended levels.
Contains: Potassium iodide. 
 
For sale in 100 ml and 500 ml bottels. 
 
Royal Nature specialists, strongly recommend to use Royal Nature analyzer while using Royal Reef Care or Coloration Booster products.