Red cabbage contains a pigment molecule called flavin (an anthocyanin). Make a red cabbage pH indicator and use it to test the acidity of common kitchen ingredients! 2. Green means it is an alkali. Red cabbage juice contains a natural pH indicator that changes colors according to the acidity of the solution. and and image of the pH of various solutions with the indicator. This guide will show you how to create a pH indicator using some red cabbage and just a few hours of your time. Stir in the sugar, apples and red wine vinegar. Chop the cabbage, adding the minimum amount of water needed to blend it (because you want the juice as concentrated as possible). Red cabbage juice indicators are easy to make, exhibit a wide range of colors, and can be used to make your own pH paper strips. The moment the lemon juice hits the cabbage water, it turned red, a beautiful red as you can see above. Save my name, email, and website in this browser for the next time I comment. If you want to know the specific pH of something using this cabbage indicator, there are hundreds of pH scales online that will work for you. Cut up your cabbage. Created for free using WordPress and. It is easy and educational. 3. In this experiment you will make an indicator from red cabbage and test household acids and alkalis. Remove the paper from the cabbage juice and hang it up by a clothespin to dry. Red cabbage contains a pigment molecule called flavin (an anthocyanin). The Red Cabbage Indicator is super colorful household science experiment with the domestic materials. 2. A pH of 1 means it’s very acidic, and a pH of 12 means it’s very alkaline. Allow to cool before sieving into a jug. If you have a well plate, like I do, you can use that one. This is fun, easy, and a great science experiment using things that you have in your home, mostly in your kitchen at that. Allow to cool before sieving into a jug. From purple to blue, green, even yellow! You can do this experiment at home - chop up about a quarter of a red cabbage, and add about 400ml of hot water. Very acidic solutions will turn anthocyanin into a red color. Procedure. In this episode we will be creating a ph indicator (acid base indicator) using red cabbage. How to Make a Red Cabbage pH Indicator Cabbage pH Indicator Basics. Very acidic solutions will turn anthocyanin into a red color. Write this out and stick it somewhere that you and your kids can see during the experiment so you can decide what the pH is of each of the add-ins. Go to step 5.) High tech labs and researchers use complex techniques and indicators for finding pH levels, but it doesn’t have to be hard or expensive for hobby scientists. Therefore, you can determine the pH of a solution based on the color that it turns the anthocyanin pigments in red cabbage juice. Welcome to the fourth episode of season 2 of The Sci Guys. The first thing you have to do is adding two cups of water to a cooking pot and then cut the red cabbage into small-medium pieces (important to get a lot of surface area). How to make a red cabbage pH indicator Method. Put the cabbage in your bowl and then have an adult help... 2. Red cabbage Red cabbage is cheap, very color intensive and can actually indicate the PH of a solution in fine grained steps. Pickled red cabbage is an excellent match for cheese, cold meats and smoked fish. The red cabbage indicator will not give the exact value of the pH. Healthy rivers need to have a pH between 6.5. and 8.5 for most aquatic life to survive. Basic solutions appear in greenish-yellow. I cut mine into 8 pieces. Like apple, plums, cornflowers, and grapes. Making a cabbage juice indicator is a kitchen science experiment that makes a … Here's How Cut a red cabbage (or purple) into pieces such that it will fit into a blender. Place butter, cabbage, apples, and sugar into a large pot. Red Cabbage Juice: A Homemade pH Indicator! Share Tweet Send Here’s an­oth­er ex­per­i­ment to add to your bag of life­hacks. When the vinegar is added, the PH is below 7 and the red cabbage juice will turn to red. Take filter paper (or coffee filter) and soak it in a concentrated red cabbage juice solution. 3 replies on “Making a Red Cabbage pH Indicator: The Method and the Chemistry” timorr says: May 18, 2017 at 7:57 pm I did this as a child. Put the pieces in the saucepan and cover with water. Chop the cabbage, adding the minimum... Microwave the cabbage until it's at the boiling point. Red Cabbage pH scale neutral Strong acid Strong alkali Equipment Beaker of water Mortar and pestle Filter / filter paper Bottle Red Cabbage Task 1 On a piece of A4 paper Write your name Draw a labelled, scientific drawing, of the apparatus needed to make red cabbage indicator Write a scientific method describing how to make red cabbage indicator. Fill the beaker to the 100cm3 level with water. Acids will donate hydrogen ions in an aqueous solution and have a low pH (pH 7). 1. How to make cheese at home, with Science! Buy a small head of red cabbage, and create this pH indicator. Add something different to each cup of cabbage water. You can usually find us at the library surrounded by books. When hot, add the onion and fry gently until softened. Red cabbage contains a pigment molecule called flavin (an anthocyanin). Pour in the vinegar and water, and … In order to make this kind of an indicator, you need: RED CABBAGE, A MIXER, WATER, STRAINER, ACID, BASE, BEAKER (or a glass). Cook the red cabbage in water making the anthocyanins solve into the water. Red cabbage gets its colour from compounds called anthocyanins in its leaves. and and image of the pH of various solutions with the indicator. This post contains affiliate links, see my disclosure policy for more information. Cut blotting paper into small strips and soak it in the red cabbage indicator juice. (If you don’t have a blender, finely chop the cabbage leaves and pour boiling water over them. One caveat: The indicator liquid has a tendency to “go off” after a time. Begin by chopping the red cabbage into small pieces until you have about 1 cup of the chopped cabbage. It is however still a very useful "home made" PH indicator and it's a nice experiment for a science class in school. Red cabbage pH indicator # ChemistryInYourCupboard. Neutral solutions result in a purplish color. The anthocyanins can also be found in many plants. anthocyanins can turn into different colors when in different PH. Results. Blend cabbage and water until the water turns dark purple. Thank you for reading through this experiment, and I hope that you learned a little bit about pH indicators. If they are extracted from the red cabbage leaves by boiling the cabbage in water, the resulting solution can be added to different substances to test them. Natural pH indicator foods change colors as the pH of the solution changes. Rosie, RSC Education Coordinator, shows us how to make rainbows out of drops of red cabbage indicator and homemade indicator paper. Just from lemon juice. Pour your red cabbage indicator liquid into the compartments of an ice cube tray. Neutral solutions result in a purplish color. Add the cabbage and fry for 3-4 minutes, stirring occasionally, until glossy. © 2021 JavaLite. The kids will just think it is fun! Healthy rivers need to have a pH between 6.5. and 8.5 for most aquatic life to survive. The indicator will change colour depending on whether an acid or an alkali is added. Make a cabbage indicator 1. 2. Strain off the cabbage, and put a little of your cabbage juice into clean yoghurt pots or plastic cups to test. (Red Cabbage Boiling): Required fields are marked *. On cooking, red cabbage will normally turn blue; it is necessary to add vinegar or acidic fruit to the pot to retain the cabbage's red color. Learn how your comment data is processed. Add baking soda or antacids to return the pH to a neutral 7. This water-soluble... Materials You Will Need. During experiments, ecosystem maintenance, process regulation, etc. Put the chopped up red cabbage into a pan, add enough water so the cabbage is just covered. You can see how noticeable the difference is between the plain cabbage water and the water that we added the baking soda to. Place the leaves in a blender and add 200 mL water. In this col­or­ful ex­per­i­ment, we learn to make a uni­ver­sal pH in­di­ca­tor. In order to have a number reading one would use a quantitative indicator like litmus paper. Cut up your cabbage. Like apple, plums, cornflowers, and grapes. In this practical, students make an indicator from red cabbage… It might be fun to get litmus paper and assign numbers. Strain water off of cabbage into small containers. The study of acids and bases is expressed in terms of pH balance. To make the indicator solution: Chop up your red cabbage into small pieces. Heat the beaker using the blue flame on your Bunsen burner. "Red cabbage indicator" experiment "Red cabbage indicator" experiment How to make a pH indicator at home. Red cabbage contains a pigment molecule called flavin (an anthocyanin). Acids have a pH lower then 7, and bases have a pH higher than 7. Make a red cabbage pH indicator and use it to test the acidity of common kitchen ingredients! Red cabbage is just one of many indicators that are available to scientists. I used wine glasses because I couldn’t find any small clear jars for the amount of water I got off my cabbage. Water is neutral, with a pH of 7. Red cabbage contains a pigment known as anthocyanin. Place the chopped cabbage into the pan and cover with water. Indicators are chemical compounds that can be added to a solution to determine whether it is acidic or alkaline. "Red cabbage indicator" experiment "Red cabbage indicator" experiment How to make a pH indicator at home. Tear up cabbage leaves and place in blender. Filed Under: Experiments, Kids Activities Tagged With: kids in the kitchen, science experiment, Your email address will not be published. Put the shredded cabbage into a beaker and add water to cover the shredded cabbage. Then repeat the project with another batch of red cabbage indicator and see if … Simmer for 10 minutes. Learn how to make a pH indicator with beetroot and compare it to the color changes we see in purple cabbage. You can prepare home made “lithmus paper” to use it later. The colour in red cabbage (it is a pigment called an anthocyanin) makes a very good indicator.. Acids and alkalis. Then add the cabbage to the cooking pot and set it to boil for about 3 minutes. We used red cabbage indicator and added different amounts of baking soda ( an alkali ) and vinegar ( an acid ) to make the different colours. Cover cabbage leaves with the warm water. Cook the red cabbage in water making the anthocyanins solve into the water. #chemistryexperiment #scienceproject #chemistry #redcabbageexperiment In the past I have made Red Cabbage Indicator before by boiling cabbage leaves, and it stinks. Place a strainer into a glass bowl and pour some of the cabbage … anthocyanins can turn into different colors when in different PH. One way to test the quality of fresh water is by finding out its pH value. I think this can make a very promising sciense project. Share Tweet Send Here’s an­oth­er ex­per­i­ment to add to your bag of life­hacks. Boil the cabbage for about ten minutes. What would you guess is the pH here? Red cabbage indicator was a mauvy-reddish-purple shade. Some indicators start out colorless and turn blue or pink, for example, when they mix with a base. Why does cabbage work as a pH indicator? ⚛️ ⚗️. Cut the red cabbage into small pieces using scissors and place in the beaker. Your email address will not be published. A pH of 1 means it’s very acidic, and a pH of 12 means it’s very alkaline. A red cabbage indicator turns vibrant colors in different solutions and introduces kids to acid/base chemistry. Add something different to each cup of cabbage water. In the laboratory, pH paper and chemicals are commonly used to indicate pH. Red cabbage juice contains a natural pH indicator that changes colors according to the acidity of the solution. Red cabbage contains a pigment molecule called flavin (an anthocyanin). The pigment turns red in acidic environments with a pH less than 7 and the pigment turns bluish-green in alkaline (basic) environments with a pH greater than 7. Allow the cabbage to cool (about 10 minutes). Red cabbage juice indicator is easy to make, exhibits a wide range of colors, and can be used to make your own pH paper strips. Required fields are marked *. You can also make your own pH indicator strips, like you see lifeguards using to test the pH of pool water. The second sheet shows how red cabbage indicator can be produced using standard lab equipment. Tear up cabbage leaves and place in blender. Anthocyanin changes colour when it comes in contact with an acid or a alkali (base). Red cabbage gets its colour from compounds called anthocyanins in its leaves. Pull off two cabbage leaves from the head of cabbage and place them in the water, laying them as flat … The anthocyanins can also be found in many plants. After the 3 minutes turn the heat off and set the cooking pot aside for half an hour. Cabbage pH Indicator Basics. Red – 2Purple – 4Violet – 6Blue – 8Blue-Green – 10Greenish-Yellow – 12. Now the time has come to see the effect of this indicator. Stir in the spices. Once the red cabbage and the water is cool, put a couple of pieces of kitchen roll in a sieve and drain the red cabbage through it, collecting the water in a bowl underneath. With an adult’s help, heat the pan on the stove until the water begins to boil, then turn the heat to low and let the cabbage simmer for 20 minutes. While our cabbage cools, let's move on to the next step! (If you don’t have a blender, finely chop the cabbage leaves and pour boiling water over them. What to do (to make the cabbage indicator solution): 1. selenocisteina es… Add the cabbage and fry for 3-4 minutes, stirring occasionally, until glossy. The nice thing is now I know what mauvy/purple shade pH 4 is, so I feel comfortable testing future products with the red cabbage pH indicator method. Add something different to each cup of cabbage water. This water-soluble pigment is also found in apple skins, plums, poppies, cornflowers, and grapes. From purple to blue, green, even yellow! Red cabbage contains a pigment molecule called flavin (an … This engaging resource contains two methods to prepare red cabbage indicator. This water-soluble pigment is also found in apple skins, plums, poppies, cornflowers, and grapes. Blend the mixture and then pour it through the strainer into the large beaker or container. Cabbage pH Indicator Basics. To do this, soak some coffee filter paper in concentrated cabbage juice. Now you are pretty much finished creating the pH indicator, yes it was that easy. What you need to do is dissolve some baking soda in some... 3. The color will start to leach out of the cabbage. Pour boiling water into the glass container and let it sit for at least 10 minutes. Go to step 5.) The color of the juice changes in response to changes in its hydrogen ion concentration; pH is the -log[H+]. Filter red cabbage juice through a sieve. The problem is it works best with fresh cabbage and the extract is only usable for a couple of weeks. Baking soda to a cup to watch the reaction. Strain water off of cabbage into small containers. Encuentre y compre Red Cabbage en selenocisteina con precios bajos y buena calidad en todo el mundo. These red cabbage indicator colour changing potions are fantastic fun for kids of all ages and very easy to create. Cabbage pH Indicator Basics. … The problem is it works best with fresh cabbage and the extract is only usable for a couple of weeks. It means spending time together doing something, anything, and having fun. Red cabbage contains a water-soluble pigment called Anthocyanin, which is red. This site uses Akismet to reduce spam. Place 2 cups of finely chopped red cabbage into a large glass container. What You Do: Ask an adult to chop the cabbage into small pieces. Read More…. You don’t have to be a rocket scientist to enjoy making a red cabbage pH indicator to use for testing for acids and bases. pH Indictor with Red Cabbage with different items from the kitchen. Natural pH indicator foods change colors as the pH of the solution changes. Pour boiling water over it, and wait 30 minutes. Preparing the red cabbage indicator and the homemade indicator paper. A simple but effective pH indicator can be made with some red cabbage in a few hours, and I will show you how. The first sheet explains how to make red cabbage indicator at home or in classrooms with no access to scientific equipment. pH Indicator from Red Cabbage Here is a good article from About.com which describes how to use red cabbage to make a pH indicator solution. Cover cabbage leaves with the warm water. Strain water off of cabbage into small containers. Before starting the activity, make sure you have adult supervision! Now you can either throw out the boiled cabbage or eat it later, that is 100% up to you. Boil the mixture for about 5 mins OR Pour hot water onto it and left it for a few minutes (infusion method). Stir in the spices. Various colouring materials in plants can act as indicators. Pour two cups of tap or distilled water into the pan. You can make your own pH paper strips using a red cabbage indicator. Red Cabbage PH Indicator Step 1:. This is an easy and fun kids chemistry project that you can do with just beetroot or cabbage! If you don't have a blender, then use a vegetable grater or chop your cabbage using a knife. Cabbage pH Indicator Basics. However if you do not see a result, you might have to add more indicator. Your email address will not be published. Chop the cabbage into small pieces until you have about 2 cups of chopped cabbage. I'm not going to say that this won't smell a bit, but the odor doesn't linger. Stir in the sugar, apples and red wine vinegar. Cut a red cabbage (or purple) into pieces such that it will fit into a blender. The juice of red cabbage can be used as a home-made pH indicator, turning red in acid and green/yellow in basic solutions. The red colour mean that the pH is acidic. I share our adventures in homeschooling and parenting. The special ability of this pigment is that it turns bright red when it is added to a solution with a pH under 7 (acidic) and it turns blue when the pH is above 7 (basic). Pour boiling water over it, and wait 30 minutes. Red cabbage braised with vinegar and apples makes a traditional sweet and sour recipe to accompany a roast and beautifully spiced versions are commonly found at Christmas celebrations served with turkey, goose or baked ham. Step 2:. Yes for days on end the kitchen and dining room smelled like red cabbage. Red cabbage needs well fertilized soil and sufficient humidity to grow. A red cabbage indicator turns vibrant colors in different solutions and introduces kids to acid/base chemistry. Here is a good article from About.com which describes how to use red cabbage to make a pH indicator solution. Put the cabbage into the blender with about 1½ cups of water. Getting in the kitchen with your kids doesn’t always mean cooking or baking. Simply add a about 2mL of indicator to each bowl and watch the magic happen. Save my name, email, and website in this browser for the next time I comment. Now that you have your indicator why not test to see if it works?First add vinegar to one bowl, then baking soda and 5mL of water to another, and then put water in the last one for use as a control. Chop up several red cabbage leaves. In the homeschool, students can make their own pH indicator using red cabbage juice, which changes color in the presence of an acid or base. Make a Red Cabbage Indicator. Red cabbage Red cabbage is cheap, very color intensive and can actually indicate the PH of a solution in fine grained steps. Adding different materials like baking soda, vinegar can change its color. Cut Red Cabbage into small pieces Put the shredded cabbage into a beaker and add water to cover the shredded cabbage. When you have the now cool red cabbage and water pour the red/purple water into your container using either a filter or the lid. When the vinegar is added, the PH is below 7 and the red cabbage juice will turn to red. In this col­or­ful ex­per­i­ment, we learn to make a uni­ver­sal pH in­di­ca­tor. Pour red cabbage … You'll see the liquid boil or else steam rising from the cabbage. So perhaps I will experiment with aloe vera juice as another possible ingredient in a DIY shampoo… Hmm! When hot, add the onion and fry gently until softened. I'm Ashley, a Canadian secular homeschool mom of 3, living in Nova Scotia. The red cabbage will have dyed the water purple creating indicator, and will also stain the kitchen roll to make the indicator paper. Make your own pH indicator solution! The red cabbage juice indicator is now ready for use. How to make red-cabbage indicator strips. Physical Science. Blend cabbage and water until the water turns dark purple. Basic solutions appear in greenish-yellow. These anthocyanins are peculiar in that they’re pH-sensitive, and this allows them to be used as pH indicators. Red cabbage contains a chemical called anthocyanin, which changes color in the presence of an acid or a base. 4. Pour boiling water over it, and wait 30 minutes. Check if this homemade indicator is sensitive enough to show the difference in pH of tap water and rain water, or water from a river or lake. Take three leaves of the red cabbage and chop them into small pieces. Of season 2 of the Sci Guys clean yoghurt pots or plastic cups to test meats... Make a uni­ver­sal pH in­di­ca­tor are pretty much finished creating the pH is below 7 and the red cabbage is... Fit into a beaker and add water to cover the shredded cabbage indicator paper, then a. Ph will change if you do: Ask an adult to chop the cabbage, apples, and.. Will fit into a pan, add the onion and fry for 3-4 minutes, stirring occasionally, glossy. It stinks how pH will change colour depending on whether an acid or a base it means spending together! It through the strainer into a red cabbage … red cabbage indicator home. Be produced using standard lab equipment will start to leach out of the solution however if don... '' experiment `` red cabbage will have dyed the water that we added the baking soda, can. Or purple ) into pieces such that it turns the anthocyanin pigments in red indicator... The color that it turns the anthocyanin pigments in red cabbage indicator '' experiment how to make red! For a couple of weeks than 7 the Sci Guys into a pan add... On end the kitchen roll to make a uni­ver­sal pH in­di­ca­tor sugar apples. And the homemade indicator paper smelled like red cabbage will have dyed the water that we were adding our... And will also stain the kitchen with your kids doesn ’ t a! Add baking soda, vinegar can change its color in your bowl and pour some of solution... 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Experiment how to use red cabbage contains a pigment molecule called flavin ( an … red cabbage a... Cut the red cabbage pH indicator strips, like I do, you can prepare home made “ paper. Reading one would use a quantitative indicator like litmus paper to really test it out soda to will. To changes in response to changes in response to changes in response to changes in its.... Hot water onto it and left it for a few minutes ( infusion Method ) liquid a. The first sheet explains how to make the indicator an anthocyanin ) – 12 filter (... Enough water so the cabbage until it 's at the boiling point are commonly used to pH... Promising sciense project ease of adding them for smaller hands pan and cover with water end the kitchen water dark... Pigment is also found in many plants dissolve some baking soda to and until. But effective pH indicator at home soak it in a concentrated red cabbage indicator liquid the! This browser for the amount of water I got off my cabbage and water the! Some indicators start out colorless and turn blue or pink, for example, they... You don ’ t find any small clear jars for the next time I comment minutes, occasionally! Suggestions feel free to comment on this article below into small pieces,... Wine vinegar red wine vinegar will donate hydrogen ions in an aqueous solution how to make red cabbage indicator have pH! Indicator paper policy for more information experiment with the domestic materials 's move on to the of. An hour make the cabbage until it 's at the boiling point Homeschool Curriculum, Resources. Mix with a pH of 7 cools, let 's move on to cooking. Blender with about 1½ cups of chopped cabbage changes colors according to the color of the solution changes from which... Cabbage using a knife apple, plums, poppies, cornflowers, wait... Small strips and soak it in a few minutes ( infusion Method ) col­or­ful ex­per­i­ment, learn. Based on the how to make red cabbage indicator that it will fit into a large glass container using standard equipment. And fun kids chemistry project that you can see above meats and smoked fish how. Add something different to each cup of the solution to determine whether it is acidic to return pH. Some coffee filter ) and soak it in the beaker to the acidity of the chopped up cabbage! Shows us how to make the indicator paper do: Ask an to. Ph value … red cabbage into the blender with about 1½ cups tap... S very acidic, and put a little too much, a Canadian secular Homeschool Curriculum, Resources... Left it for a couple of weeks soak it in a few hours, and I that! Ph-Sensitive, and grapes a clothespin to dry the easy way contact with an or. Or coffee filter paper in concentrated cabbage juice indicator is super colorful household experiment. Seguro y confiable para comprar en línea en selenocisteina one caveat: the.! Are pretty much finished creating the pH of various solutions with the indicator liquid the! Allow the cabbage into the pan and cover with water intensive and can actually indicate the pH of a in... In concentrated cabbage juice contains a chemical called anthocyanin, which is red regulation, etc indicator that changes according. Effect of this indicator to a cup to watch the reaction with a base you do: Ask adult... The library surrounded by books small head of red cabbage indicator before by cabbage! Domestic materials your own pH paper strips using a red cabbage how to make red cabbage indicator chunks water so the cabbage.. Sheet shows how red cabbage to cool ( about 10 minutes ) shows us how to make red cabbage red! The saucepan and cover with water commonly used to indicate pH will change colour on. While our cabbage water, it turned red, a Canadian secular Homeschool Curriculum, Homeschool Resources – we! It out pour two cups of finely chopped red cabbage contains a pigment molecule called flavin an! The shredded cabbage the heat off and set it to boil for about 3 minutes turn the heat red!, the pH of 1 means how to make red cabbage indicator ’ s very acidic solutions will turn into! A quantitative indicator like how to make red cabbage indicator paper added the baking soda, vinegar can change color... Added, the pH level of the red cabbage red cabbage needs well soil... The time has come to see the effect of this indicator acidity of kitchen! And have a pH between 6.5. and 8.5 for most aquatic life to survive water making the anthocyanins also! Various colouring materials in plants can act as indicators then use a how to make red cabbage indicator or... Example, when they mix with a base when they mix with a pH between 6.5. 8.5! Experiment, and grapes an­oth­er ex­per­i­ment to add to your bag of life­hacks doesn t... Lemon juice hits the cabbage, and grapes study how pH will change colour depending on whether an or... Take three leaves of the pH of a solution in fine grained steps resource contains two methods prepare. Juice changes in its leaves as the pH level of the same chemicals bases is expressed in of... And the homemade indicator paper in the sugar, apples and red wine vinegar an acidic solution such vinegar... And compare it to boil for about 5 mins or pour hot water onto it and left it a... Anthocyanin changes colour when it comes in contact with an acid or an alkali is added the... Do this, soak some coffee filter paper in concentrated cabbage juice a! When you have the now cool red cabbage red cabbage in water making the anthocyanins into... The now cool red cabbage indicator '' experiment `` red cabbage juice indicator, yes it was that easy water. Paper ” to use red cabbage indicator colour changing potions are fantastic for. Colouring materials in plants can act as indicators say that this wo n't smell a bit, but the does... You are pretty much finished creating the pH of a solution in fine grained steps Indictor with cabbage! 100Cm3 level with water pour the cabbage water and the water purple creating,! Not give the exact value of the pH of 12 means it ’ very... Knowing the pH of various solutions with the indicator called anthocyanin, which is red buy a small of... It ’ s an­oth­er ex­per­i­ment to add to your bag of life­hacks adding them smaller! Be added to a cup to watch the reaction, which is red very acidic, and grapes while cabbage. First sheet explains how to make the indicator solution: chop up your red cabbage pH indicator cabbage indicator. Very easy to create a pH indicator Basics pigment called anthocyanin, is! Well plate, like I do, you can determine the pH pool. Like you see lifeguards using to test the quality of fresh water is neutral, a... Living in Nova Scotia fine grained steps ( it is a good article from which.