Did the math and its about the same if I just buy all of those Saliferts individually. So now, It would be salifert for alk, cal, mg, nitrate, and Hanna ULR PhosphateI have all of those in Salifert, (I have the alk in both Salifert and aqua forest both measure the same.
I wouldn't pay extra for Red Sea, Salifert is very good in those tests.