Making Ceramic Aquarium Decorations

Written by breann kanobi
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Making Ceramic Aquarium Decorations
Give fish an entertaining environment with ceramic decorations. (tropical fish tank image by Julianna Olah from

An aquarium can be an interesting and colourful decoration while serving as a life-sustaining device for small fish. If you want to decorate your aquarium with something besides rocks and plants, you can make decorations using clay and paint. Make sure to chose non-toxic paint for your decorations to ensure the health of your fish. Also, double-check the safety instructions that came with your tank and purifier to make sure your aquarium can handle ceramic decorations.

Skill level:

Things you need

  • Clay
  • Non-toxic ceramics paint
  • Glaze
  • Brush
  • Kiln
  • Potter's needle

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  1. 1

    Purchase clay at your local art supply shop or arts and crafts store. You will probably need only a few ounces of clay, unless you intend to make many decorations.

  2. 2

    Mold the clay into a simple shape such as a star, a rowboat or a fish. You can make this piece the size of your thumb or the size of your hand; it all depends on the size of your aquarium. To avoid injuring fish, try not to make your decoration too large or pointy.

  3. 3

    Refine your design using a potter's needle. These needles help you make small indentations in your clay. You can also use them to even out edges or add grooves.

  4. 4

    Leave your finished pieces in a bright, warm spot overnight to allow them to dry.

  5. 5

    Add paint designs to your ceramic decorations. You can chose to paint your pieces one colour or with a pattern such as stripes or polka dots.

  6. 6

    Allow the painted pieces to dry in a sunny spot, then add ceramic glaze to your decorations.

  7. 7

    Fire your decorations in a kiln and add them to your aquarium. Repeat these steps as necessary until you have completely decorated your aquarium.

Tips and warnings

  • Consider adding small pebbles to your aquarium for extra decoration.

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