
Plastic milk cartons are versatile and can be reused in many ways. While they are recyclable, with only 28.9% of plastic jugs ending up in the recycling bin, it is even better to find ways to reuse them. Plastic milk cartons can be used for storage, such as in the garage or bathroom, or for storing dry goods like rice or sugar. They can also be used for gardening, either as a planter for shallow-rooted plants or for watering plants by poking holes in the cap. Milk cartons can also be used for freezing liquids such as broth, beaten egg whites, or fruit compote.
| Characteristics | Values |
|---|---|
| Reuse | Containers, pens, lumber, picnic tables, fencing, benches, detergent bottles, toothbrushes, children's toys, earrings, rings, necklaces, planters, storage containers, outdoor lanterns, bird feeders |
| Recycle | Paper towels, tissue, printing paper, ceiling tiles, wallboard |
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Use it for storage
Plastic milk cartons are incredibly versatile and can be reused in many ways for storage. They can be used to store dry goods in your pantry, such as grains, sunflower seeds, and sugar. Simply wash and dry the cartons before refilling them with your chosen item. You can also use them to store liquids such as juice, broth, or soup, and freeze them for later use. Just remember that you should only fill the carton with the amount you'll use within a few days, and always thaw the contents before pouring them out.
Milk cartons can also be used as storage containers for gardening and DIY purposes. Cut off the top and place it over your plants to act as a mini-greenhouse or cloche, providing extra warmth and protection from frost. You can also poke small holes in the cap, fill it with water, and use it to water your plants, ensuring they get the perfect amount of hydration. The bottom half of a milk carton can be used as a planter for shallow-rooted plants, and you can get creative by decorating and personalizing it to your taste.
Additionally, milk cartons can be repurposed into scoops for pet food or compost. Cut the carton to your desired size, keeping the handle intact, and you've got yourself a handy scoop. They can also be used as funnels for transferring liquids between containers or filling up your car with water. Cut the carton in half, remove the cap, and you've got a versatile funnel ready to use.
For those who like to freeze meals, milk cartons can be handy for storing leftovers. Simply rinse the carton with dish soap, let it dry, and it's ready to be filled. This is a great way to reduce food waste and save money. Remember to label the carton with its contents and date using a waterproof marker, so you know what you're thawing and when it was frozen.
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$26.09

Make jewellery
Plastic waste is increasingly being turned into precious jewellery. With the right tools, you can make your own unique pieces from recycled plastic milk cartons.
Firstly, you will need to cut the plastic into small tiles, from which you can cut out the desired shapes. You can use a Precious Plastic Sheetpress to create rings and earrings, or a Precious Plastic Extrusion Machine to create more intricate patterns and detailed pendants. You can also use a 3D printer to create offcuts for earrings.
If you don't have access to these machines, you can still make jewellery with low-tech techniques. Paper punches and scissors can be used to cut the plastic, and you can sew and paint the pieces with acrylic paints or plastic paint. You can create milk jug earrings, rings, and floral necklaces.
You can also make suncatchers by cutting out shapes from the plastic, adding colour, and attaching a string. Hang these around your home and place them in different areas to create interesting light effects.
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Create a planter
Plastic milk cartons can be reused to create a planter. Here is a step-by-step guide:
Step 1: Collect and Prepare the Cartons
Start by collecting one or more empty plastic milk cartons. Half-gallon cartons are recommended, but gallon or quart containers will also work. Wash the cartons with warm soapy water to remove any milk residue and milk odour. You can also remove the labels if you prefer a cleaner look.
Step 2: Cut and Prepare the Cartons
Using scissors, carefully cut the carton in half and discard the top portion. You can also cut the carton to the desired shape, leaving the handle intact if you plan to hang your planter. If you want to create a vertical garden, you can cut the bottom off the carton and use the handle to hang it on a fence or a curtain pole.
Step 3: Create Drainage Holes
To avoid overwatering your plants, you can create drainage holes in the bottom of the carton. Carefully poke holes using scissors or a sharp nail. If you don't want to create holes, an alternative method is to add a layer of pebbles at the bottom of the carton before adding soil. This will prevent the roots from soaking in water and rotting.
Step 4: Add Soil and Seeds
Place your carton on a plate or tray to avoid any water seepage. Using your hands or a trowel, scoop moist soil into the carton, leaving about an inch of space at the top. Sprinkle your chosen seeds over the soil and gently press them to the recommended depth. You can also add small plants or herbs instead of seeds.
Step 5: Care for Your Plants
Cover your carton with plastic wrap and place it in a warm, sunny location to help your seeds germinate. Water your plants every few days, just enough to moisten the soil without overwatering. Remember to rotate your carton every couple of days to ensure all sides receive adequate sunlight.
By following these steps, you can create a functional and environmentally friendly planter from a plastic milk carton, reducing waste and giving your carton a new purpose.
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Make lanterns
Milk cartons can be reused to make beautiful lanterns. Here is a step-by-step guide to making lanterns out of plastic milk cartons:
Firstly, rinse the milk carton and allow it to dry completely. Then, cut off the top and the bottom of the carton. You can use a box cutter or an X-acto knife for this step. Next, cut a rectangle on each side of the carton, leaving a narrow frame. Cut an "X" shape in the centre of each rectangle, and finish cutting the window out with a small pair of scissors.
Now, you can paint the inside and outside of the milk carton with chalkboard paint, spray paint, or acrylic paint. Allow the paint to dry completely. Cut pieces of tissue paper that are slightly larger than the side openings. You can also use any paper, such as printed paper napkins, wax paper, or copy paper. Attach the paper to the frame using glue.
To hang your lantern, use a small hole punch to make holes on two opposite sides. Attach a wire handle, or string a ribbon through the holes. Place a small battery-operated candle or LED light inside the lantern, and you're done! You can experiment with different types of lights and ways to attach them, such as taping or gluing the light in the lid or suspending it in the middle with string.
These lanterns are a fun and creative way to reuse plastic milk cartons, and they can be used for a festive lantern walk or to decorate your home.
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Freeze liquids
Milk cartons can be reused to freeze liquids such as milk, broth, beaten egg whites, and fruit juices. If you want to freeze liquids in a milk carton, it is important to ensure that the carton is made of plastic. This is because milk cartons are not suitable for freezing before they are opened, as they will burst due to liquid expansion. Once opened, the carton is no longer airtight, so it is recommended to transfer the liquid into a different container before freezing.
When freezing liquids in a plastic container, it is important to leave some space at the top, as liquids expand when frozen. For milk specifically, it is recommended to leave about a 1.5-inch gap at the top of the container. You can also freeze milk in ice cube trays, which makes the defrosting process quicker. Once the milk cubes are frozen, transfer them to heavy-duty resealable plastic bags or containers.
It is also important to note that while regular dairy milk freezes well, non-dairy milk may not. For example, almond milk, coconut milk, and oat milk tend to become grainier and separate after being frozen and thawed. However, these types of milk can still be frozen and used in recipes such as smoothies, sauces, and blender soups.
When thawing frozen milk, it is best to do so overnight in the fridge. If you are in a hurry, you can submerge the airtight container in a bowl of cold water, replacing the water periodically until the milk is completely thawed. Do not thaw milk at room temperature, as this can cause it to spoil. After thawing, give the milk a good shake to help restore its original consistency.
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