DHL calcium chloride for cal.
DHL 2-part magnesium for mag.
DHL Baking soda for alk
DHL = DIY chemicals
Main reason for using this system is its cost efficiency, I spend about 6 bucks a month.
With consistancy, monitoring, excellent water quality, strong lighting, great skimming, keeping my hands out of the reef, and some luck my reef is growing very well.