i think il go with a hyrometer.
i cam across that mikes machine link last night before you posted and read it from top to bottom.
i will follow his method and see where it lands me.
and for the ease i am going to seperate the female into her own freshwater tank, wait til she drops the eggs, scoop her out, then get that water at marine salinity.
i wonder for what purpose the light needs to be on 24 hours a day. in the wild it is not like this...?
anyway, if i get even a few shrimp out of this it would be worth it.
next time they decide to mate i wanna watch