If you want instant whiteness, you can use cleaning agents like Laundry Blues. These alter the reflecting properties of light giving the cloth a slight bluish tinge which gives chefs uniforms an ultra clean appearance.
These products do not require a long time to act. A couple of hours are sufficient to produce satisfactory results. However, the effects of instant whitening agents are not as long lasting as that of bleach.
If the chef trousers is really old and needs a major face lift, you can go for color removing agents. These contain strong whiteness restoring agents which remove the grayish tinge from old uniforms. However, these should not be used frequently as they contain harsh chemicals that might damage the quality of the chef uniform.
As a chef, you understand how important it is to deliver the food needed in an event. The only way to accomplish this is to have a complete set of catering equipments. Instead of buying new kitchen equipments, it will be more convenient to rent especially if you have limited storage in your kitchen.
Being a chef is truly exhausting but also satisfying. The busiest time for a chef is during events and parties and spending to much time traveling to work is not practical. There are many budget Working backpacker hostels Australia that a chef can choose from.