ok guys  the weekend is comming up and and i'm  almost out of bread so i need to make more ,hehe   so i need some info on my starter,  i took it out of the fridg and i had about a half a cup so  i threw half out and feed it 1/2 cup flour and water  does that sound close to right ,  and i keep that  going till i make my sponge right? i will make the sponge in a day or two

                                                                                          thanks