Starter yeast fridge

[hayad2002]

Is it possible to keep yeast starter in the for 4 days before I pitch it

 

[brownni5]

Yup. Longer, too.

 

[hayad2002]

Yup. Longer, too.

Will it be ok in the beaker with foil on covering it

 

[balrog]

No problem.
Just take it out in plenty of time to warm to within 10°F of pitching temp so as not to shock the yeast. Furthermore, by storing in fridge, it will settle and you can decant some of the unnecessary beer off the top if you like.

 

[hayad2002]

Thanks guys