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Decrease the amount of water for a more powerful spray. of castile soap with 1⁄2 gallon (1.9 L) of water to make a general-purpose insecticidal spray safe enough for your indoor or outdoor plants. For extra strength, use peppermint-scented castile soap. Fill a bucket with 1 gallon (3.8 L) of warm water.    {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/5\/57\/Use-Castile-Soap-Step-3Bullet1.jpg\/v4-460px-Use-Castile-Soap-Step-3Bullet1.jpg","bigUrl":"\/images\/thumb\/5\/57\/Use-Castile-Soap-Step-3Bullet1.jpg\/aid1688390-v4-728px-Use-Castile-Soap-Step-3Bullet1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"<div class=\"mw-parser-output\"><p>License: <a rel=\"nofollow\" class=\"external text\" href=\"https:\/\/creativecommons.org\/licenses\/by-nc-sa\/3.0\/\">Creative Commons<\/a><br>\n<\/p><p><br \/>\n<\/p><\/div>"}  Add 1/8 cup of castile soap.    {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/7\/76\/Use-Castile-Soap-Step-3Bullet2.jpg\/v4-460px-Use-Castile-Soap-Step-3Bullet2.jpg","bigUrl":"\/images\/thumb\/7\/76\/Use-Castile-Soap-Step-3Bullet2.jpg\/aid1688390-v4-728px-Use-Castile-Soap-Step-3Bullet2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"<div class=\"mw-parser-output\"><p>License: <a rel=\"nofollow\" class=\"external text\" href=\"https:\/\/creativecommons.org\/licenses\/by-nc-sa\/3.0\/\">Creative Commons<\/a><br>\n<\/p><p><br \/>\n<\/p><\/div>"}  Add up to 1/8 of cup vinegar to make a degreasing solution.    {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/3\/3f\/Use-Castile-Soap-Step-3Bullet3.jpg\/v4-460px-Use-Castile-Soap-Step-3Bullet3.jpg","bigUrl":"\/images\/thumb\/3\/3f\/Use-Castile-Soap-Step-3Bullet3.jpg\/aid1688390-v4-728px-Use-Castile-Soap-Step-3Bullet3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"<div class=\"mw-parser-output\"><p>License: <a rel=\"nofollow\" class=\"external text\" href=\"https:\/\/creativecommons.org\/licenses\/by-nc-sa\/3.0\/\">Creative Commons<\/a><br>\n<\/p><p><br \/>\n<\/p><\/div>"} Start with about 1 tbsp. of castile soap.    {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/6\/6c\/Use-Castile-Soap-Step-4Bullet1.jpg\/v4-460px-Use-Castile-Soap-Step-4Bullet1.jpg","bigUrl":"\/images\/thumb\/6\/6c\/Use-Castile-Soap-Step-4Bullet1.jpg\/aid1688390-v4-728px-Use-Castile-Soap-Step-4Bullet1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"<div class=\"mw-parser-output\"><p>License: <a rel=\"nofollow\" class=\"external text\" href=\"https:\/\/creativecommons.org\/licenses\/by-nc-sa\/3.0\/\">Creative Commons<\/a><br>\n<\/p><p><br \/>\n<\/p><\/div>"}  Add enough baking soda to make a thick paste.    {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/9\/9c\/Use-Castile-Soap-Step-4Bullet2.jpg\/v4-460px-Use-Castile-Soap-Step-4Bullet2.jpg","bigUrl":"\/images\/thumb\/9\/9c\/Use-Castile-Soap-Step-4Bullet2.jpg\/aid1688390-v4-728px-Use-Castile-Soap-Step-4Bullet2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"<div class=\"mw-parser-output\"><p>License: <a rel=\"nofollow\" class=\"external text\" href=\"https:\/\/creativecommons.org\/licenses\/by-nc-sa\/3.0\/\">Creative Commons<\/a><br>\n<\/p><p><br \/>\n<\/p><\/div>"}  Dab a damp cloth in the paste, then scrub soiled surfaces. This will make a safe, chemical-free laundry detergent. If you have hard water, increase the amount of soap to 1/3 cup. Use lavender- or citrus-scented castile soap to add a pleasant aroma. In a plastic squeeze-top bottle, mix 1/2 cup of water, 1/2 cup of castile soap and 1/2 cup of vinegar. If you like, use peppermint or lavender-scented castile soap or scent the detergent with up to 1 tsp. of lemon juice. This will clean greasy, stubborn areas such as oven vent hoods or around stove top burners. Add about 1 tbsp. of baking soda to provide scrubbing action.
Mix one part castile soap with one part water in a spray bottle to make a spray for general household cleaning. Mix 1 tbsp. Make a floor cleaner. Use castile soap to make a paste tub and tile cleaner for your bathroom. Pour 1/4 cup of castile soap directly into your washing machine. Wash your dishes with castile soap. Mix a few drops of castile soap into a cup of very hot water.