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6 Brilliant DIY Old Fish Tank Plans You Can Make Today (With Pictures)


Whether you are cleaning your garage or rummaging through a yard sale, there is a good chance there will be a fish tank in the mix. So many households have them and do not have a clue what to do with them. If you are one of those people that have an old tank and do not want to throw it out, here are some ideas for reusing it.

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The 6 DIY Old Fish Tank Plans

1. DIY Seashell Collection Display by Little Vintage Cottage

DIY Seashell Collection Display by Little Vintage Cottage
Image Credit: Little Vintage Cottage
Materials: Old fish tank, seashells
Tools: None
Difficulty Level: Super easy

The DIY Repurposed Fish Tank is a quick and simple project that can be done in less than an hour. If your fish tank has been stored away, you will need to clean and dry it thoroughly. If the black edges are not to your liking, you can paint it any color you choose. Touch up the black or paint it silver or gold. You can also paint it to match the décor of the room. The color is a personal choice.

Go through your seashell collection and set aside your favorite ones. Arrange them in the tank. You can add a piece of driftwood or anything that gives it the look you desire.

Have fun with this, and use your imagination!

2. DIY Fish Tank Terrarium by Ohio Tropics

DIY Fish Tank Terrarium by Ohio Tropics
Image Credit: Ohio Tropics
Old fish tank, lid (optional), Gravel, sphagnum moss, activated charcoal, potting mix, decorative items, backdrop, driftwood, stones, light, plants
Tools: None
Difficulty Level: Easy

Using an old fish tank for a DIY Terrarium can be easily done in an afternoon. The nine-step tutorial provides all the information you need to create an indoor ecosystem. Once you have your supplies and plants, the rest is just using your creativity and imagination to create the perfect terrarium.

3. DIY Upcycled Cat Grass Fish Tank by Momma Told Me

DIY Upcycled Cat Grass Fish Tank by Momma Told Me
Image Credit: Momma Told Me
Chick-Fil-A Spicy Southwest Chicken Salad container, 1.5-2 gallon beverage container, aquarium gravel, water conditioner, potting soil, seed, mesh, filtration system
Tools: Scissors, Nails, rope, wax, pH meter,
Difficulty Level: Moderate

The DIY Upcycled Cat Grass Fish Tank + Catnip Marinating Cat Toy is an easy project to reuse your old fish tank. The unique idea will have you growing cat grass in no time.

The catnip marinating cat toy is unique and will surely please your little feline. What a way to reuse an old fish tank!

This is a project that will require a little knowledge about fish care, however.

4. Easy DIY Terrarium from an Old Fish Tank by Hometalk

Easy DIY Terrarium from an Old Fish Tank by Hometalk
Image By: Hometalk
Materials: Small ceramic pots, succulents, perlite, old fish tank
Tools: None
Difficulty Level: Easy

This is an Easy DIY Terrarium from an Old Fish Tank is another great way to reuse an old fish tank. It is an easy DIY project that requires only a few materials. To keep the project budget-friendly, you do not need to buy all the plants at one time. You can start with one or two and add more over time.

The project is so easy that you do not need any tools, just your creativity.

5. DIY Indoor Cactus Garden by Little Vintage Cottage

DIY Indoor Cactus Garden by Little Vintage Cottage
Image By: Little Vintage Cottage
Gravel, plants, glue, petroleum jelly, towel, spray paint, sponge, old metal stand, old fish tank,
clamps, paintbrush, drill, hammer, pliers, mallet, block of wood, snips
Difficulty Level: Moderate

Here is a wonderful DIY Indoor Cactus Garden for the cactus lover in your home. The project will require some old garage or yard sale items and a few cactus plants to achieve the look. With a little creativity, time, and patience, you can enjoy this cactus garden in no time.

Be creative with paint colors and plant size and shapes. Have fun!!

6. DIY Indoor Herb Garden by Lia Belle

DIY Indoor Herb Garden by Lia Belle
Image By: Lia Belle
Materials: Old fish tank, clay pebbles, organic potting soil, herb seeds, water
Tools: Garden gloves, garden tool set,
Difficulty Level: Easy

This easy tutorial on How to turn an old fish tank into an indoor herb garden is an easy and inexpensive project that is explained in detail from beginning to end. The herb garden can be done in an hour or two hours.

Think about doing this project on the weekend or a rainy day with your child or grandchild. They will love caring for the plants and watching them grow. Once the herbs have grown, you can use them for cooking projects.

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What Can You Do With an Old Fish Tank?

If you have an old fish tank and you are not interested in reusing or repurposing it, here are some things you may want to do with it.

  • Donate it to your local school.
  • See if a nursing home in your area is interested in taking it.
  • Your local fish or pet store may take it off your hands.
  • Take it to your local Salvation Army or GoodWill Donation Center.

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Finding new ways to make use of old items can be fun. You would be surprised at some of the creative ideas you can come up with. We have listed some ideas that may get the creative juices going so you can make use of that dirty old fish tank.

Featured Image Credit: ivan_kislitsin, Shutterstock


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