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If you have a few beautiful china tea sets at home that you no longer use, they can be adorable and one of the most unexpected options for aquarium décor ideas. You can put a lace table cloth under the aquarium to create a fancy and elegant feeling from the outside or you can place the whole of teapot inside the aquarium, ensuring there is sufficient space for your fish to swim in and out of it. Moreover, you can also use your children’s miniature tea set depicting a small tea party in an aquarium. You should note that only food-safe ceramics can be used in a fish tank. You should have many options since the china cabinet is full of food-safe dishes. But you should avoid using delicate finishes that can flake off like silver or gold leaf on the edges of saucers and cups.
Add Rocks

Adding rocks to an aquarium is an inexpensive idea that creates a visual delight inside it. But those rocks should be avoided that can unpleasantly change the pH. You should always test this by placing the rock first in a bucket of water taken from the tank. Test the pH of water in the bucket and then retest it each day for many days in order to determine if there is any variation.
River stones are a good choice for freshwater aquariums due to their smooth round shape suggests that moving water and anything that may discharge out of the rock has already been washed away. In addition to this, you should avoid rocks that are made of clay or mud because they can dissolve and turn the water murky. You should also ensure to sterilize the rocks by soaking them in bleach water for a few days. After that soak them in clean water along with aquarium dechlorinator before placing them inside the aquarium.
Holiday theme

The holidays are an amazing time for being creative with the decoration of your aquariums, particularly if you have some additional holiday décor available. You can use this aquarium décor idea for any holiday from Easter to Halloween to Christmas. For trying this idea you can pick up some plain and colored glass ornaments and remove its hanging hardware. After that fill the ornaments with water and place them inside the aquarium on its bottom. Furthermore, if you have food-safe figurines for holidays such as Easter bunny-shaped salt and pepper shakers, you can put them in the aquarium. You can also add holiday lights all around on the exterior of the aquarium to bring even more beauty and cheer. But you should remember to avoid anything that is sharp or painted to ensure your fish’s health and safety. Similarly, consumable items should also be kept away. But you can use such things on the outside of the aquarium. This holiday décor idea can create a cute little aquarium holiday decoration.