I was under the impression that you shall avoid getting water in before your 1st stage, as it can freeze thru the orifice, the other thing and maybe I'm wrong, is that screwing the DIN back in will be difficult as you are trying to squeeze out the water between the tank valve and the 1st stage, plus your SPG will stop been reliable.
are you diving Yoke for tec diving ?
are you diving Yoke for tec diving ?