Utilizing hexagonal fish tanks offers a unique and elegant approach to showcasing aquatic life within your living space. A 20-gallon hexagon aquarium can serve as a stunning centerpiece, transforming any room with its captivating underwater scenery.
1. Serene Floating Plant Haven

Incorporate a floating plant haven to evoke a peaceful and shaded environment. Floating aquatic plants not only enhance tranquility but also provide essential hiding spots for shy fish species, promoting their well-being.
Recommended products:
- Floating Aquarium Plants: Add natural beauty and shade with these easy-to-maintain floating plants.
- Aquarium Plant Fertilizer: Support healthy growth of your floating plants with nutrient-rich fertilizers.
- LED Aquarium Lighting: Promote vibrant plant growth with adjustable and energy-efficient LED lights designed for aquariums.
2. Creative Themed Aquarium Decor

Inject charm into your tank by selecting themed decorations such as miniature sunken ships or vintage artifacts. One of my favorite setups features a playful underwater world that sparks conversation and wonder.
Suggested items:
- Shipwreck Aquarium Decor: Bring mystery and allure with detailed sunken ship replicas.
- Vintage Aquarium Ornaments: Create a nostalgic atmosphere with antique-style decorations.
- Live Aquarium Plants: Add lush greenery that offers shelter and enhances the visual appeal.
3. Highlighting a Signature Fish

Choose a signature fish that stands out, such as a colorful betta or a radiant neon tetra. A striking centerpiece fish adds character and becomes the focal point of your aquarium.
Helpful products:
- Betta Fish Starter Kit: Everything you need to care for vibrant bettas.
- Live Aquarium Plants: Enhance your tank’s natural look with thriving aquatic plants.
- Color Enhancing Fish Food: Maintain your fish’s vivid colors and health with premium nutrition.
4. Rustic Driftwood Centerpiece

A captivating piece of driftwood can serve as the centerpiece of your hexagonal aquarium. Driftwood introduces a natural, earthy vibe that draws the eye and provides shelter for your aquatic pets.
Recommended selections:
- Aquarium Driftwood: Natural wood pieces that add character and habitat complexity.
- LED Aquarium Lighting: Highlight your driftwood with customizable lighting options.
- Live Aquarium Plants: Complement driftwood with lush greenery for a balanced ecosystem.
5. Dynamic LED Lighting Effects

Enhance the atmosphere by using color-changing LED lights that accentuate the vibrant colors of your fish and plants. Experimenting with different hues can dramatically alter the tank’s ambiance.
Top picks:
- Adjustable LED Aquarium Lights: Customize your tank’s lighting to suit any mood or time of day.
- Submersible LED Light Strips: Waterproof strips that create stunning underwater effects.
- Remote-Controlled LED Lighting Kits: Easily switch colors and brightness with a remote for ultimate convenience.
6. Vibrant Shrimp Community

Introduce a lively shrimp colony to infuse your aquarium with color and activity. These small creatures are fascinating to watch as they explore and interact within their environment.
Recommended gear:
- Specialized Shrimp Food: Enhance shrimp coloration and health with nutrient-rich diets.
- Live Aquarium Plants: Create a natural habitat that supports shrimp behavior and well-being.
- Shrimp-Friendly Substrate: Provide an ideal base that encourages shrimp breeding and keeps water clear.
7. Artistic Rockscape Design

Design a miniature mountain scene inside your tank using carefully arranged rocks. This setup mimics natural habitats and offers hiding places for your fish, enhancing their comfort.
Suggested products:
- Decorative Aquarium Rocks: Earth-toned stones perfect for building naturalistic landscapes.
- Aquarium Pebbles: Add texture and authenticity to your rockscape.
- Aquarium Moss: Introduce lush greenery that complements your rock formations.
8. Vertical Plant Arrangement for Space Efficiency

Utilize the height of your hexagonal tank by arranging tall, slender plants vertically. This approach not only adds elegance but also optimizes the use of available space.
Recommended selections:
- Vertical Aquarium Plants: Ideal for creating layered, vertical greenery.
- Aquarium Gravel: Provides a natural base for plant roots and enhances aesthetics.
- Aquarium LED Lighting: Supports plant growth and highlights vertical arrangements.
9. High-Performance Filtration System

Ensure a healthy aquatic environment with a reliable filtration system that keeps water clean and clear. Effective filtration is crucial for the longevity and health of your aquatic ecosystem.
Top filtration options:
- Compact Canister Filter: Perfect for smaller tanks, providing thorough water purification.
- Submersible Filter with Adjustable Flow: Allows customization of water flow for optimal filtration.
- Internal Power Filter: Ensures consistent water circulation and cleanliness.
10. Tranquil Sandfall Feature

Introduce a soothing sandfall that cascades gently within the tank, creating a peaceful and refined focal point. This feature invites relaxation and admiration from viewers.
Recommended accessories:
- Sandfall Aquarium Kit: Create mesmerizing sand cascades effortlessly.
- Decorative Aquarium Rocks: Complement your sandfall with natural stone accents.
- LED Aquarium Lighting: Highlight the sandfall with vibrant illumination.
11. Enigmatic Moss-Covered Cliff

Build visual intrigue by layering moss over rock formations to simulate a mossy cliff. This design adds mystery and natural beauty, enhancing the tank’s depth and texture.
Helpful products:
- Decorative Aquarium Rocks: Form the base for your mossy cliffscape.
- Varieties of Aquatic Moss: Choose from lush moss types to cover your rockwork.
- Aquarium-Safe Adhesive: Secure moss firmly to rocks for lasting designs.
12. Balanced Symmetrical Plant Layout

Craft a visually pleasing and harmonious environment by arranging plants in a symmetrical pattern that complements the hexagonal shape of your tank.
Useful items:
- Live Aquarium Plant Bundles: Perfect for creating balanced, symmetrical designs.
- Aquarium Scaping Rocks: Use to build symmetrical rock formations.
- Hexagonal Aquarium Tanks: Ideal enclosures for symmetrical aquatic layouts.
13. Lively Bubble and Air Features

Bring a playful and dynamic element to your aquarium with bubbling air stones or porous rocks. The continuous movement of bubbles enlivens the tank and captivates observers.
Recommended gear:
- Porous Aquarium Rocks: Create steady streams of bubbles for a lively effect.
- Bubble Air Stones: Generate fine bubbles that oxygenate and animate the water.
- Aquarium Air Pump Kits: Provide consistent airflow to power your bubble features.
14. Artistic Aquatic Sculptures

Incorporate an aquatic sculpture to elevate the artistic appeal of your aquarium. Sculptures can transform your tank into a captivating underwater gallery that draws attention and admiration.
Great choices include:
- Seahorse Aquarium Sculpture: A striking centerpiece that adds elegance and intrigue.
- Resin Coral Decorations: Durable and realistic coral replicas to enhance your tank’s natural look.
- Rock Cave Ornaments: Provide shelter and visual interest for your fish.
15. Custom Hexagonal Aquarium Lid

Create a tailored custom lid to enhance both the look and functionality of your hexagonal aquarium. Custom lids can accommodate lighting, filtration, and feeding needs seamlessly.
Recommended accessories:
- Adjustable Aquarium Lid Kits: Ensure a perfect fit and easy access.
- Filters with Adjustable Flow: Maintain water clarity with customizable filtration.
- LED Lighting Fixtures: Brighten your tank efficiently and beautifully.
16. Lush Aquatic Plant Sanctuary

Convert your hexagonal aquarium into a thriving planted sanctuary by combining tall and short aquatic plants. This layering technique adds depth and highlights the unique shape of your tank.
Recommended essentials:
- Hydroponic Substrate: Supports robust plant growth and stability.
- LED Aquarium Lighting: Encourages healthy plant development and vibrant colors.
- Aquarium Plant Fertilizer: Provides essential nutrients for flourishing plants.
