Yes, you may use the Bokashi system for putting your snotty tissues. The germs may be killed by the acidic conditions created during the fermentation process. But, it may require more Bokashi compost accelerator or bran.  You may transfer the fermented product into a regular compost pile.Yes, you may use the Bokashi system for putting your snotty tissues. The germs may be killed by the acidic conditions created during the fermentation process. But, it may require more Bokashi compost accelerator or bran.  You may transfer the fermented product into a regular compost pile.