[ThomasG]

OK, I admit, this is a piece of information I didn't know (refusal to refill)

If such will be the case, I will keep your idea as a fall back, but even then, I'd use the "stop leak" mix only for some time, ie: until I know it doesn't leak anymore, and have it refilled yet again with properly measured amount.

But first things first: as SirRobb suggested, Vida with all its gauges and whistles goes first.
Maybe even today, time permitting.