How to Make a Castile Soap Household Cleaner Spray

Making a castile soap spray for general house cleaning couldn’t be easier. Please remember to label your spray bottles, so you don’t get them mixed up! Once you get fully established with homemade cleaners, you’ll have several spray bottle solutions in your cupboard.

97 thoughts on “How to Make a Castile Soap Household Cleaner Spray

  1. This may be a silly question but is it ok to use a lemon essential oil? I know tea tree is mentioned. I was wanting to use the lemon oil with the unscented baby soap. Thanks!

    • Hi Cheryl – Yes! Lemon essential oil would be great!

  2. I am wanting to make this but am looking to get in the habit of not using certain scents that could be harmful to cats. Despite how much I love the smell of peppermint, tea tree oil, and lavender, I have to steer clear for the most part. Is it okay to use the unscented and not add oil?

    • Hi April – Yes, the unscented Baby Mild will work great without any essential oil. The concern for cats is ingesting certain essential oils. So on any surface they are prone to lick (including themselves), you should avoid essential oils. Sounds like you know all that!

    • Hi Rhonda – To fill a 1 qt. spray bottle, it ends up being 3 3/4 c. water and 1/4 c. soap, but you can increase or decrease the concentration as you like.

  3. Hi

    I’m looking forward to making this but as April mentioned, I will be avoiding essential oils as I’m also a cat owner. I am going to make the unscented version. Can you tell me if there is any particular shelf life on this? Does it keep well if I make up a large batch?
    Thanks

    • Hi Deborah – Leaving out the essential oils is perfectly fine. While I’ve never had this tested professionally, by experience I can say that this solution is good for a couple months at least.

  4. Hello! Can I use this solution ratio as a hardwood floor cleaner with my spray-dispensing mop?

    • Hi Sota – I would definitely give it a try. You probably don’t need this much soap though. Maybe start with just 2 Tbsp. in a quart of water. Increase it if you need to, but what you don’t want to end up with is bubbles on your floor.

    • Hi Dianna – If you wipe with a damp cloth, then no. The water and fibers of the cloth will pick it up.

  5. Hi Lisa,

    We have a wooden kitchen bench top.

    Can I still use your all purpose spray receipe from your cheating sheet for this? That is ¼ c. soap in a quart of water in a spray bottle.
    Or do you have other receipes for this ?

    Thank you for your help!

    • Hi Yoshiko – Yes, the All Purpose Spray would clean that well.

  6. Can I use the Citrus or Tea Tree for an all purpose cleaner and mix that with water? or can I only use the Sal Suds for an All purpose cleaner?

    • Hi Sandy – The Castile makes a great All Purpose Cleaner as well. You need a little more than for the Sal Suds: 1/4 c. of soap to 1 qt. of water.

  7. If I wanted to make a fruit and vegetable wash in a spray bottle what ratio should I use? Should it just be soap and water only?

    • Hi Jenna – For a fruit and veggie spray, you can use a less concentrated solution than the housecleaning spray. Try 1 or 2 Tbsp. per quart of water. You don’t need to add anything else.

  8. I’ve read that if water is used you need to either use a perservative(Optiphen Plus) or keep the cleaner in the refrigerator, what are your thoughts?

    • Hi Tammy – Any time you are diluting the soap, you are shortening the shelf life. Considering that the shelf life is at least three years, you have a lot of leeway here, but it’s not indefinite. If you don’t use this spray up in a month, you might need to remake it. If it smells off, then dump it, and make a smaller batch next time, or ramp up your cleaning.

    • Hi Tracey – Yes, it is safe for granite. With stone, the concern is not to use acidic solutions. This is alkaline.

  9. Will the 1/4 cup to quart be okay for cleaning painted walls? I’m using the hemp tea tree

  10. I thought that essential oils would un-saponify the Dr Bronner’s and you would be left with a cheesy, gloppy like consistency. Is that ONLY if there is too much oil and soap ? Does the 20-30 drop plus quarter cup soap plus all the water not have that result? I am guessing not but wanted to see where that tipping point is. I use the Dr Bronner liquid tea tree and eucalyptus for everything even washing my hair and showering. Dishes, laundry, etc…..

    • Hi Dani – I’m glad you’re enjoying the soaps! Tea Tree and Eucalyptus are awesome. It’s vinegar – or other acids – that unsaponifies the soap. Essential oils do not react with the soap.

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