How to Make Clear Acrylic Sheets for Aquariums: A Step-by-Step Guide with Product Recommendations

Building your own aquarium can be a rewarding and cost-effective project, especially when using clear acrylic sheets. Acrylic, also known as plexiglass, is a popular choice for aquariums due to its strength, lightweight nature, and crystal-clear transparency. Unlike glass, acrylic is 17 times stronger, easier to mold, and provides seamless bonding to prevent leaks. In this guide, I’ll walk you through the process of creating clear acrylic sheets for an aquarium, recommend high-quality acrylic aquarium products, and highlight why Leyu Acrylic is a trusted manufacturer for your project.

Custom acrylic panel - LEYU

Custom acrylic panel - LEYU

Why Choose Acrylic for Aquariums?

Acrylic is the preferred material for both hobbyists and professional aquarium builders for several reasons:

• Strength and Durability: Acrylic is significantly stronger than glass, with an impact resistance 17 times greater, making it ideal for large tanks or those housing active marine life.

• Clarity: Acrylic offers excellent optical clarity, often surpassing glass, with no green tint, ensuring vibrant visibility of your aquatic ecosystem.

• Lightweight: At half the weight of glass, acrylic is easier to handle and install.

• Flexibility: Acrylic can be molded into various shapes, such as curved panels or tunnels, allowing for creative designs.

• Seamless Bonding: Acrylic sheets can be bonded to create leak-proof joints, critical for aquarium integrity.

However, acrylic is prone to scratching, so careful handling and maintenance are essential. With the right tools and techniques, you can create a stunning, durable aquarium tailored to your needs.

Step-by-Step Guide to Making Clear Acrylic Sheets for Aquariums

Step 1: Determine Aquarium Dimensions and Acrylic Thickness

Before purchasing materials, decide on the size of your aquarium, as this will dictate the dimensions and thickness of the acrylic sheets. The thickness depends on the water pressure the tank will endure, which is determined by its height and volume. For example:

• For aquariums up to 1 foot (30 cm) in height, use acrylic sheets at least 0.25 inches (6.4 mm) thick.

• For every additional 6 inches (15 cm) in height, increase the thickness by 0.125 inches (3.2 mm).

• For larger or high-pressure tanks, such as public aquariums or underwater tunnels, thicknesses can range from 20 mm to 800 mm, requiring professional calculations.

Consulting a structural engineer or a professional manufacturer like Leyu Acrylic is recommended to ensure the acrylic can withstand water pressure. Leyu’s team provides precise thickness calculations based on ASME PVHO-1 standards, ensuring safety and reliability.

Step 2: Purchase Aquarium-Grade Acrylic Sheets

Always use cell cast acrylic sheets for aquariums, as they are stronger and better at withstanding continuous water pressure compared to extruded acrylic. You can purchase pre-cut sheets or cut them yourself. Reputable suppliers like Leyu Acrylic offer cut-to-size acrylic sheets, saving you time and reducing the risk of errors. Ensure the sheets are labeled “aquarium-grade” to guarantee safety for aquatic life.

Recommendation: Leyu Acrylic, based in Zhangjiagang City, China, has over 27 years of experience producing high-quality cast acrylic sheets ranging from 20 mm to 800 mm in thickness. Their sheets are made from 100% Lucite MMA raw materials, ensuring transparency, durability, and safety. Leyu also provides custom-cut sheets and can thermoform them into unique shapes, such as curved panels or cylindrical tanks.

Step 3: Cutting Acrylic Sheets

If you’re cutting the sheets yourself, use a jigsaw with a blade designed for acrylic to avoid cracking or melting. Follow these steps:

• Mark cutting lines with masking tape to ensure precision.

• Secure the acrylic sheet on a flat, stable surface.

• Cut slowly and steadily to prevent overheating, which can damage the material.

• For complex shapes, consider professional cutting services from suppliers like Leyu Acrylic, which use CNC laser machines for high precision.

Step 4: Smoothing the Edges

Smooth edges are critical for strong, seamless bonding. Use a sanding block with progressively finer grits (starting at 120 grit and moving to 400 grit) to ensure the edges are flat and smooth. Hold the acrylic against a flat piece of lumber to maintain evenness and avoid scratches. Polishing the edges with a buffing wheel can enhance clarity, especially for visible panels.

Step 5: Bonding Acrylic Sheets

To assemble the aquarium, use capillary cementing with acrylic cement (e.g., Acrifix 192) or a two-part polymerizable cement for strong, transparent joints. Avoid solvent cements, as they may weaken over time in saltwater environments. Here’s how to bond the sheets:

• Place the base sheet on a sturdy, level surface, ideally the stand where the aquarium will reside.

• Degrease the edges with alcohol and a lint-free cloth.

• Apply acrylic cement to the inside seam of the joint using a nozzled bottle for precision.

• Secure the side panels to the base with duct tape or support blocks, ensuring they are perpendicular using a spirit level.

• Allow the cement to cure for at least 24–48 hours, or until the joint becomes transparent. Do not move the structure during this time.

• Repeat for all side panels, ensuring all joints are sealed.

For added security, apply aquarium-safe silicone sealant to the interior seams after the cement has cured.

Step 6: Testing the Aquarium

Once the cement and sealant have fully cured (follow manufacturer guidelines, typically 24–48 hours), fill the aquarium with water and let it sit for a few days to check for leaks. Inspect all seams carefully. If leaks are detected, drain the tank, dry the area, and reapply cement or sealant as needed.

Step 7: Maintenance and Cleaning

To maintain the aquarium’s clarity and integrity:

• Use soft, non-abrasive cloths and aquarium-safe cleaners (e.g., Novus) to avoid scratching.

• Regularly inspect for wear or damage, addressing issues promptly.

• Ensure cleaning products are safe for aquatic life and compatible with the water type (freshwater or saltwater).

Acrylic window aquarium 

Acrylic fish pool 

Acrylic fish pool

Recommended Acrylic Aquarium Products

In addition to acrylic sheets, consider these products to enhance your aquarium:

• Acrylic Cement (Acrifix 192): Ideal for seamless bonding, ensuring leak-proof joints.

• Aquarium-Safe Silicone Sealant: Reinforces joints and prevents leaks.

• Acrylic Accessories: Leyu Acrylic offers frag racks, coral holders, and feeding rings to organize and enhance your aquarium’s functionality.

• Custom Acrylic Panels: For unique designs, such as curved windows or tunnels, Leyu provides tailored solutions with high-grade plexiglass.

Why Choose Leyu Acrylic?

Leyu Acrylic, established in 1996, is a leading manufacturer of acrylic sheets and aquarium products with a proven track record. Here’s why they stand out:

• Expertise: With over 27 years of experience, Leyu has contributed to more than 80 aquarium projects worldwide, including oceanariums and underwater tunnels.

• Quality: Their cast acrylic sheets are made from high-quality Lucite MMA, offering unmatched clarity and durability.

• Customization: Leyu provides cut-to-size sheets, thermoforming for unique shapes, and professional installation services.

• Engineering Support: Their team conducts precise thickness calculations and provides shop drawings, installation guides, and BIM integration, ensuring compliance with safety standards like ASME PVHO-1.

• Global Reach: Leyu exports to countries like the United States and South Korea, with a professional installation team that has completed over 200 large-scale projects.

• Certifications: Leyu is ISO9001:2015 certified and has earned accolades like “Excellent Construction Unit” for their work on projects like Nanchang Wanda Cultural Tourism City.

For inquiries, contact Leyu Acrylic at their website (www.leyuacrylic.com) or consult their expert team for tailored solutions.

Conclusion

Building an acrylic aquarium is a fulfilling project that combines creativity and technical skill. By using high-quality cast acrylic sheets, precise cutting and bonding techniques, and professional guidance, you can create a durable, visually stunning aquarium. Leyu Acrylic’s superior products and expertise make them an excellent choice for sourcing materials and support. Whether you’re building a small home tank or a large-scale exhibit, acrylic’s versatility and Leyu’s craftsmanship will help you achieve a masterpiece that brings the beauty of the ocean into your space.

How to clean aquarium acrylic sheet

Leyu Acrylic Aquarium factory teaches you how to clean aquarium acrylic sheet

Cleaning an aquarium acrylic sheet requires some care to avoid scratching or damaging the acrylic material.

Here are some steps to effectively clean acrylic aquarium sheets:

Gather the necessary supplies: You'll need a clean, non-abrasive cloth or sponge, a bucket or container, and an aquarium-safe cleaning solution. Avoid using harsh chemicals or abrasive materials that can scratch the acrylic.

Prepare the cleaning solution: Fill the bucket or container with water and add an aquarium-safe cleaning solution. Follow the instructions on the cleaning solution for the appropriate ratio.

Unplug electrical equipment: Turn off and unplug any electrical equipment, such as filters or heaters, to ensure safety during the cleaning process.

Remove decorations and accessories: Take out any decorations, artificial plants, or accessories from the tank. Clean them separately using a soft brush or by rinsing with water.

Gently wipe the acrylic surface: Dip the cloth or sponge into the cleaning solution and wring out any excess liquid. Wipe the inside walls of the aquarium gently using circular motions. Start from the top and work your way down.

Clean stubborn algae or deposits: If there are stubborn algae or deposits, you can use a plastic algae scraper specifically designed for acrylic aquariums. Be gentle and avoid using sharp objects that can scratch the acrylic.

Rinse the aquarium: Fill a clean container with fresh water and use it to rinse the aquarium thoroughly. Make sure to remove any residue from the cleaning solution.

Clean the filter and other equipment: While the aquarium is empty, take the opportunity to clean the filter media and other equipment according to their specific instructions.

Reassemble the aquarium: Once the aquarium and accessories are clean and dry, reassemble the tank, ensuring everything is properly positioned.

Monitor water parameters: After cleaning, check and adjust the water parameters as necessary to maintain a healthy environment for your fish.

Regular maintenance is essential to keep your acrylic aquarium clean. Perform partial water changes, remove debris, and clean the filtration system regularly to maintain optimal water quality.

Remember to always follow the manufacturer's instructions for cleaning and maintenance of your specific acrylic aquarium model.

What is rimless acrylic aquarium？

Leyu acrylic aquarium factory professional custom rimless acrylic aquarium tank.

A rimless acrylic aquarium refers to an aquarium made of acrylic material that does not have a visible frame or rim around its edges. Unlike traditional aquariums that typically have a frame made of plastic or metal, rimless acrylic aquariums have a clean and minimalistic design with no obstructions along the perimeter of the tank.

The absence of a frame provides an unobstructed view of the aquatic life inside the tank, allowing for a more immersive and visually appealing experience. Rimless acrylic aquariums are known for their sleek and modern appearance, which can enhance the overall aesthetics of any space.

Acrylic is a popular choice for rimless aquariums due to its transparency and clarity. It offers excellent optical properties, allowing for a clear and distortion-free view of the fish and the underwater environment. Acrylic is also lighter and more durable than glass, making it less prone to cracking or breaking.

Rimless acrylic aquariums come in various sizes and shapes, catering to different preferences and space constraints. They can be rectangular, square, cylindrical, or even uniquely curved, providing versatility in design options.

Setting up a rimless acrylic aquarium requires careful consideration of its support and stability. Since there is no visible frame, a sturdy aquarium stand or cabinet is necessary to provide adequate support for the tank and its contents. Proper maintenance, including regular cleaning and monitoring of water parameters, is also essential to ensure a healthy and thriving aquatic environment.

In summary, rimless acrylic aquariums offer a contemporary and visually appealing way to showcase aquatic life. Their frameless design and clear viewing panels create an immersive and captivating display, making them a popular choice among aquarium enthusiasts.

Leyu acrylic fish tank

Leyu acrylic Aquarium factory specializing in the production of various shapes of rimless acrylic aquarium.

The Leyu rimless acrylic aquarium is a type of fish tank made from acrylic material. Acrylic is a transparent and durable plastic that is often used as an alternative to glass in aquariums. Leyu is a brand that specializes in manufacturing acrylic fish tanks and is known for producing high-quality products.

Acrylic fish tanks have several advantages over traditional glass tanks. They are lighter in weight, making them easier to move and transport. Acrylic is also more impact-resistant than glass, reducing the risk of cracking or breaking. Additionally, acrylic provides better insulation, maintaining a more stable water temperature for the fish.

Leyu acrylic fish tanks come in various shapes and sizes to suit different preferences and space requirements. They often feature seamless construction, providing a clear and unobstructed view of the fish. The acrylic material is also less prone to distortion, ensuring optimal clarity.

When setting up a Leyu acrylic fish tank, it is important to follow proper aquarium maintenance practices. This includes regularly cleaning the tank, maintaining appropriate water parameters, and providing a suitable environment for the fish. It is also crucial to choose compatible fish species and provide them with proper nutrition and care.

Overall, Leyu acrylic fish tanks offer a reliable and aesthetically pleasing option for housing and showcasing aquatic life.