Iodion 8.45oz (brightwell aquatics)
Provides iodide, which is important to hermatypic corals and other invertebrates harboring zooxanthellae, macroalgae, and also to the health of fishes
Stronger than most competing products
The nature of iodide sources used makes Iodion more effective than standard iodide-solutions
Suitable for use by aquarium hobbyists of all skill and experience levels
Composed of purified water and ultra-high purity materials
Formulated by a marine scientist
Basic Instructions: Shake product well before using. Add 5 ml (1 capful) of product per 50 US-gallons of aquarium water every two- to three-days or as needed to maintain the iodine concentration within a range of 0.04 - 0.06 ppm. When used in this fashion, 250 ml treats up to 2,500 US-gallons (9,464 L).