Straight to it...
You'll need
Citrus peels (lemon ,lime, oranges,tangerine or any other available)
Glass jar
White Vinegar,
Spray bottle
Cut the peels of the citrus fruits and place in a jar the cover this with vinegar and keep for two weeks. Remove the peels and dilute the resulting solution with equal amount of water,you can measure a cup and dilute with a cup of water for instance,just to fit into your spray bottle.
Use this to clean glass furniture,windows, even floors. The fragrance is amazing.