Salinity problems?

Question

i have a 29 gallon saltwater tank and my salinity is 1.026

can someone plz help me and tell me how to lower it just a lil to about 1.023????????? plz help

Answer 1

I need to prepare salinity test in tissue culture / MS media.

Salinity degree 0Mm 50mM 100mM 150mM 200mM 300mM
MS (V)         ....     ....    .....   .....    ....    ....
(ml)
NACL (V)       ....     ....    .....   .....    ....    ....

every flask should contain 250ml of MS media inclouded NACL/solution.
the question is :


shell I prepare 200ml of 1mM/NACL then increase the molarity by increasing the volume of it>
or prepare more than one NACL/solution with the above salinity degree' but  who mutch the volume must add???

thank you"""""