This is an easy recipe for an ecological cleaner/disinfectant that will also save you quite a lot of money. You will need:
2 tablespoonfuls boracic acid
¼ cup lemon juice
2 cups boiling water
20 drops tea tree essential oil
Put the first three ingredients in a spray bottle and shake well. Then add the essential oil and shake again to mix everything well. It can be used as an ordinary cleaning/disinfectant liquid.