Toilet fizz bombs – ideal for grey water use

I’m going to go ahead and assume you guys are aware of the water restrictions and are using grey water for things like flushing the toilet and watering plants…right! I mean you are trying to flush as little fresh water down the toilet as possible, right?

In case you did not know, Grey water is recycled water made up of bath, shower, bathroom sink and washing machine water.

Having this water stagnant for a long time can have a stuffy smell (I don’t know how best to describe it) but these toilet bombs help keep your toilet fresh as you try to save the world one flush at a time (I’m partially kidding, but honestly every little helps)


My DIY buddy Karen, gave me a few of these lovely smelling bombs and shared the recipe with me so I could in turn share the love…Also I stole the picture off her Instagram 


What you need (makes around 24 small bombs)

  • 1 and 1/3 cup baking soda (this stuff is in every DIY cleaning recipe from toothpaste to floor scrubs)
  • ½ cup citric acid (this used to be super hard to find BUT recently you can find it in the same isle as baking soda)
  • 30 drops each of lavender, peppermint and lemon essential oils (these oils have properties to kill bacteria that might be lurking in your grey water, while smelling lovely, like the Charlie’s Angels of essential oils)
  • Spray bottle
  • Silicone molds


What you do

  • Mix the citric acid and baking soda. Put the oils in a spray bottle and spray into the mixture while stirring (this keeps it from fizzing away). Place mixture in moulds and leave to dry for around 8 hours. Store in a airtight container and use as needed.

These should add a lovely smell to your home even if your grey water simply smells like your shower gel, or actually nothing at all…But those anti bacterial properties are pretty cool too…

What have you been doing to save water? Aidan suggest him never washing as his contribution, strangely I didn’t go for that one…


4 thoughts on “Toilet fizz bombs – ideal for grey water use

  1. Simone Cameron says:

    I’m not one for DIY… #LazyGirlProblems but this I can get down with. I can literally punch people that are not saving water….. And I totally know about the urghy smelling water. The Toilet Duck blue cistern things are expensive and don’t last as long as they claim to. I may give this a try.

  2. Karen says:

    Soooo…. I got home from work yesterday, and I got a whiff of this lovely freshness from the front door. I also used the essential oil water left in the spray bottle to spray around the toilet bowl.

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