Naturally occurring in citrus fruits such as lemons and limes, Citric acid is an organic substance used in a range of products.

DIY bath bomb: recipe here

DIY scented fabric softener

• 85g citric acid
• 15g ethanol
• 5-10g any essential oil (eucalyptus works great)
• 1L warm water
• Dissolve citric acid into warm water first then add other ingredients. Pour 50ml into softener drawer per wash.

Household cleaning

• Unscented fabric softener: 1-2 tsp into softener drawer every load
• Clean kettle: add 1-2 tsp citric acid into a full kettle, bring to boil and leave for 30 mins. Rinse well.
• Rinse aid for dishwasher: dissolve 1 tbsp citric acid in ¼ cup of water.
• Water stains on taps and other surfaces: dissolve 2 tbsp in 250ml warm water, spray onto surfaces, let sit for 30 seconds, and wipe.
• Toilet cleaner: add ½ cup of citric acid into the toilet bowl, let sit for an hour (or overnight), give it a good scrub, then flush. 

Do not use on delicate or polished surfaces.