Homemade All-Purpose Cleaner by Homemade All-Purpose CleanerHomemade All-Purpose Cleaner 4 oz water 2 oz castile soap 2 oz witch hazel 2 oz baking soda 10 drops tea tree oil Add to a spray bottle and shake well. Your homemade cleaner is ready to use! Add to a spray bottle and shake well. Your homemade cleaner is ready to use! For my spray bottle, I actually re-purposed an empty apple cider vinegar bottle, after reading that a plastic bottle can react with essential oil used in the mixture and diminish their effects. The top of a Meyer’s spray bottle worked for this – if you turn it upside down it leaks a little, but otherwise it does the trick perfectly!