Opti Soothe Eye Wash 4oz ajo Rapid growth rates of corals Size:450G Rapid growth rates of corals and other reef building invertebrates witnessed when strontium is maintained at the natural seawater concentration of approximately 8 ppm suggest this element’s importance in the marine environment and are typically not desirable because of the resultant appearance of the system and the difficulty of maintaining healthy aquarium inhabitants Use as needed Helps hydrate dry eyes