the deal is for 25 bucks you get 150 gallons of salt mix, see what im thinking is as far as salt mixes there all pretty much the same, only slight diffrences as far as whats in them, phosphates, ect... but i figure with kent trace elements and other types of filteration to get rid of phosphates+ nitrates that its a deal with in it self
by the way where in queens are u(im in queens to) queens nasua border