How to Make Fish Tank Ornaments

Written by lanh ma
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Whether you are just getting started with your fish tank or you have been enjoying your fish for years, you may someday want some aquarium decoration that is a little bit out of the ordinary. While most people are content with the ornaments that they can get from the store, you will find that it is very simple to create fish tank ornaments yourself out of natural materials. By using rocks and driftwood, you will discover that you can have a unique fish tank set-up that will be the envy of your friends

Skill level:
Moderately Easy

Things you need

  • Rocks
  • Driftwood
  • Aquarium silicon
  • Large pot
  • Water
  • Stove

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  1. 1

    Sort your rocks. You want to make sure that the rocks are safe for your aquarium, so consider what is in your collection. Slate, quartz , lava rock, granite and even petrified wood can be used for this purpose.

  2. 2

    Sort your driftwood. Make sure that you have whole pieces of driftwood, not slivers that are going to shatter or break. Some people are very picky about the driftwood that ends up in their tank, and will get rid of driftwood with sharp, broken ends.

  3. 3

    Set your rocks and your driftwood in your large pot and fill the pot with water.

  4. 4

    Put the pot on the stove and let your driftwood and your rocks boil for at least one hour. This will help make sure that any parasites or harmful bacteria that are on the rocks or wood will be destroyed. This is an essential step if you are gathering materials from the wild.

  5. 5

    Remove your driftwood and your rocks from the boiling water and let them dry completely if you are planning to glue them. Otherwise, they can now be placed directly into the aquarium.

  6. 6

    Use aquarium silicon to glue the rocks and wood together into attractive shapes. Allow the glue to dry completely before you place the ornaments in your fish tank.

Tips and warnings

  • If the driftwood starts to rot, make sure that you remove it immediately. This means that it is pulling oxygen out of your tank.
  • Some rocks should never be used in your aquarium. They include coal, coral, marble, sandstone and any rock that has acid-producing metallic veins.
  • If you are worried about driftwood being too rough for your tank, use sandpaper to smooth it out before you boil it.
  • While silicon is not the only adhesive you can use for this purpose, remember that any adhesive that you do use needs to be safe for your fish.

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