This pack is Nitrate , Phosphate , Calcium . Alk and magnesium .
these are the most essential kits for basic reef tanks .
Nitrate and phosphates you want as low as possible .While Calcium Alk and magnesium need to be as stable as possible .
Nitrate aim for below 5ppm
Phosphate aim for below 0.06
Calcium Aim for 430
Alk aim for a stable number between 7.0- 9dkh. keep in mind this must be stable . it can be between these numbers it must stay on that number . ie - my tank runs on 7.3 i make it stays on that all the time .
Magnesium needs to be about 1320-1390 again stability is the key .