**5. Cost of the means of cultivation**

The fundamental culture medium for the commercial cultivation of the *D. salina* was the modified Johnson (Borowitzka, [4]); the Ben-Amotz 1 [7]; the Ben-Amotz 2 [9] and those of the MIP with urea and the sodium that are presented in this work. The reagents to prepare the different culture that can be used by *D. salina* are presented in the **Table 3** and their respective unitary costs in the **Table 4**.

