Strontium is an essential part of the development for hard coral skeletons, and while the role of Strontium is not yet fully understood, there is plenty of evidence in favour of dosing it into your reef tank. Many marine keepers swear by it and ATI’s Supplement is the best there is.
Regular dosing is required to keep stable levels of Strontium.
10 ml of the ATI Strontium increases the concentration of 100 litres to 1 mg/l