Designed for aquariums with more demanding SPS and LPS corals. It does not contain bromides and can be used with the assisted by ozone filtration. It does not contain any probiotic bacteria or growth media. Phosphate and nitrate free. Upon filling new marine tanks it is recommended to let animals in not earlier than after 10-14 days.Instructions for use: Dissolve the salt in previously prepared demineralized water. Water temperature should be about 24`C (75`F). For salinity 33 ppt dissolve 3.80kg (8.4lbs) of salt in 100 litres (27 US gal.) of water. Stir the solution vigorously for about 15 minutes. When the salt is fully dissolved and the solution clear, the marine water is ready to use.Aquaforest recommend to keep salinity between 33 to 35 ppt.Parameters of salt are presented below: