Best Natural-Looking Aquarium Decorations

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When it comes to starting a home aquarium, there are many factors to consider. You’ll need to decide what size tank you want, choose your equipment, and think about the type of fish and other inhabitants you want to cultivate. On top of all of that, there’s one more thing to consider – decoration. If you want to create an environment that mimics your inhabitants’ natural habitat, go with a natural décor scheme.

In this article, we’ll talk about creating a natural décor scheme in your home aquarium. We’ll talk about how to make your tank look more natural and you’ll receive our top picks for the best natural-looking aquarium decorations.

Best Natural Decorations for Aquariums

Decorating your aquarium is half the fun of having an aquarium. It’s entirely up to you how you choose to decorate, but a natural-looking aquarium can be quite stunning when done well. Start with a natural-looking substrate, an aquarium background, and some live plants then top it off with decorations.

Here are our top picks for the best natural-looking aquarium decorations:

If you’re looking for a simple decoration to add to your aquarium, these 5-inch pieces of natural cholla wood are a great place to start. They are fertilizer- and pesticide-free, completely safe for all aquarium inhabitants. Boil prior to use to increase the rate at which the pieces sink.

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Rocks are an essential décor item for any natural-looking aquarium and these are the perfect option. These 3-to-5-inch pieces of natural slate stone can be used separately or stacked in a pile to create a cave. They are 100% natural and perfect for aquascaping an aquarium.

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If you prefer not to risk contamination with natural wood pieces, this resin log is a great option. This log aquarium ornament is made from resin in a natural shape and hand-painted. It can be used as a shelter for small fish or you can anchor live plants to it.

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Give your marine aquarium a boost of natural décor with this barnacle cluster. It is all-natural and measures 5 to 7 inches in diameter. Pair it with other nautical-themed items like shells and starfish.

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It may seem odd putting a fake plant into your aquarium, but let’s be honest, planting in your tank can take a lot of time to maintain.  Thankfully, there are a number of wistful, realistic looking silk plants from Marina Naturals. The Pennywort plant is made to have its leaves undulate under the water with the current of your aquarium. Marina Naturals offers this particular plant in two different sizes. All of their plants are made out of a non-toxic, fade resistant silk that will not affect the water chemistry in your tank. They are super easy to install as you just bury them under gravel or rock in your tank.  Now we know that one pond plant wont give you the underwater look you are striving for, but the low prices and large selection of the Marina Naturals plants will make it easy for you to design a colorful marine life tank without the hassle of living plants. Now you can just focus on your fish.

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Another option in natural-looking decorations is this resin hollow tree trunk from Hygger. This decoration is perfect for small- to medium-sized tanks and gives smaller fish a safe place to hide. Plus, it has a flat base so it sits stably on the tank bottom.

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Also made from resin, this rock-like cave is completely safe and non-toxic for aquarium fish. It also includes three small fake plants to boost the natural appeal.

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Add color and dimension to your natural-looking aquarium with these artificial seaweed plants. They are completely safe and made from eco-friendly, non-toxic pvc materials and come in a bunch of 10 individual pieces.

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Give your fish a place to hide with this coco cave made from 100% natural coconut shell. It features smooth edges and a soft texture that is completely safe for fish and you can purchase it for less than $10.

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Another excellent decoration for marine tanks is this large conch shell. It measures a full 7 to 8 inches long and is completely natural. Just make sure you clean it well before using it in your aquarium.

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Tips for Creating a Natural Décor Scheme

Aquarium decorations do more than just create visual intrigue in your tank. Certain types of decorations can be used to provide shy or nocturnal species with a place to hide – they can also break up sightlines and divide the tank into territories for more aggressive species. Decorations also provide a surface for beneficial bacteria to colonize and some decorations, like live plants, can actually improve the quality of your tank water for the benefit of your aquarium fish.

Here are some tips for creating a natural décor scheme in your aquarium:

  1. Start with a natural-looking substrate that is suited to the type of tank you want – sand is a great option for most tanks but if you want to create a planted tank, you may need to add some planted tank substrate as well.
  2. Add rockwork to create natural decorations of different sizes and heights in your tank – be sure to purchase rocks marketed for aquarium use or rinse the rocks very well to ensure that they are safe for your tank inhabitants.
  3. Consider including pieces of driftwood in your tank, especially as an anchor for live aquarium plants – again, be sure to soak it well to remove any tannins that might stain the water and affect your water chemistry.
  4. Add live plants of different sizes throughout the tank – keep taller plants at the back and sides with shorter plants in the mid-ground and foreground.
  5. Throw in a natural-looking aquarium background if the other decorations don’t cover the back – this is a great way to hide tank equipment and cords in addition to boosting the natural look of your tank.

How you decorate your aquarium is entirely up to you. You can choose to go with a whimsical décor scheme, including bright colors and funny elements, or you can go with something more natural. If you prefer the natural look, consider some of the top 10 aquarium decorations reviewed above.


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