Sometimes the best way to cleanse yourself from negativity is through outer cleanse.
The method: Just choose an area in your house/office that need some cleaning, approach the task remembering that the outer cleanse is also a ceremony for an internal cleanse.

( The intention is important and strengthen the process – but is not a must as the effect will happen from itself )
At home it can be doing the dishes, washing the floor, or just arranging your room each of these is having a cleansing effect on you mind-emotional body the result will always be a better feeling of wholeness.
Examples from my life:

Sometimes when I am at the office and can not seem to focus at work I just take some time to clean my desk – afterward I seem to be able to focus and be more productive.

At home when I feel somewhat clogged or stuck with a certain problem – could be that my head is full, or that I feel depressed I can do the technique of cleaning an area of the house or arranging it.
Again the results are immediate as I feel full of life and clean.