Waking up yeast

Northern Brewer General
1

I have some 4 week old yeast I harvested from primary. I’m gonna brew on Sunday, can I wake it up with some dextrose or does it need to be maltose?

Thanks

Yeast 1968
First generation
stored cold

2

[quote=“Waylit”]I have some 4 week old yeast I harvested from primary. I’m gonna brew on Sunday, can I wake it up with some dextrose or does it need to be maltose?

Thanks

Yeast 1968
First generation
stored cold[/quote]

Needs to be maltose.

3

Yeast doesn’t do any better than any other organism on a diet of nothing but empty calories.