How to Cover Drill Hole in Acrylic Aquarium: Step-by-Step Guide

If you’re a proud owner of an acrylic aquarium, you know the importance of maintaining its pristine appearance. However, sometimes drilling holes into the aquarium is necessary for filtration, pumps, or other equipment. While these holes serve a practical purpose, they can also be unsightly and detract from the beauty of your aquarium setup.

Fortunately, there are simple and effective ways to cover up those drilling holes and restore the sleek look of your acrylic aquarium. Whether you’re a seasoned aquarium enthusiast or just starting out, learning how to conceal drill holes can save you time and money in the long run. In this blog post, we’ll guide you through the process of covering drill holes in acrylic aquariums, including tips on choosing the right materials, step-by-step instructions, and additional suggestions for maintaining the overall appearance of your aquarium.

Let’s dive in and discover how to make those drill holes disappear!


If you have an acrylic aquarium, chances are you may need to drill a hole in it at some point. While this can be a necessary step for installing a filter or other equipment, it can leave an unsightly hole that you may want to cover up. Luckily, there are a few ways to do this effectively.

One method is to use a plug made specifically for acrylic aquariums. These plugs are easy to install and come in a variety of sizes to fit different holes. Another option is to use a patch made of the same material as the aquarium.

This involves cutting a small piece of acrylic and gluing it over the hole. Whichever method you choose, make sure to clean the area thoroughly and follow the instructions carefully for the best results. By following these steps, you can cover up any drill holes in your acrylic aquarium and restore its aesthetic appeal.

Understanding Acrylic Aquariums

Acrylic aquariums have become increasingly popular in recent years due to various advantages over traditional glass aquariums. Unlike glass, acrylic is more impact-resistant and doesn’t shatter upon impact. This makes acrylic aquariums safer and less prone to breakage.

Additionally, acrylic is much lighter than glass, making it easier to handle and transport. An acrylic aquarium also allows for a clearer and distortion-free view of aquatic life due to its superior clarity. However, it’s essential to note that acrylic is more susceptible to scratches and can often cost more than a traditional glass aquarium of comparable size.

Overall, understanding the benefits and drawbacks of acrylic aquariums can help aquarists make an informed decision when choosing the best aquarium for their needs.

how to cover drill hole in acrylic aquarium

Why Cover Drill Holes

Introduction: Drill holes can be a nuisance for homeowners, DIY enthusiasts, and anyone who has been tasked with fixing deficiencies around the house. Although they may serve a useful purpose, they can be a disruptive eyesore that detracts from the aesthetic appeal of your living space. Have you ever wondered why so many people choose to cover drill holes? Whether you’re trying to fix holes left by curtain rods, picture frames, or other household items, there are a few good reasons why you might want to consider covering them up.

One of the primary reasons why people choose to cover drill holes is to maintain the visual appeal of their living space. After all, nobody wants to feel like they live in a construction zone, even if they’re just trying to fix a small issue. By covering up drill holes, you can give your walls a smooth, uniform appearance that looks neat and professional.

This is especially important if you plan on entertaining guests or showcasing your home for potential buyers. Another reason why covering drill holes is so important is that it can help to prevent further damage. Even small holes can grow over time, especially if they’re left unattended or subjected to repeated stress.

By covering them up, you can prevent them from becoming larger and more unsightly, which can ultimately save you time and money in the long run. In addition to the aesthetic and practical benefits of covering drill holes, it can also be a fun and creative way to personalize your living space. Whether you choose to use paint, wallpaper, or other decorative materials, there are endless possibilities when it comes to covering up drill holes in an attractive and unique way.

So why not use this opportunity to express your personality and make your home truly your own? Ultimately, there are many good reasons why people choose to cover drill holes. Whether you’re looking to improve the aesthetics of your living space, prevent further damage, or simply express your creativity, there are countless ways to make the most of this common household issue. So why not get started today and see what you can do to improve the look and feel of your home?

Materials Needed

If you have an acrylic aquarium, you may want to cover up unwanted holes, such as those left by a drill. The process is actually quite simple, and requires only a few simple materials. The first thing you will need is a tube of clear acrylic cement.

This cement is specially designed to bond acrylic pieces together, and will create a strong and durable hold. You will also need a small scrap piece of acrylic, preferably in a clear or matching color. This will be used to fill in the hole and create a smooth surface.

Finally, you will need a small paintbrush or other applicator to apply the cement to the hole. With these materials in hand, you can quickly and easily cover up any unwanted drill holes in your acrylic aquarium, and restore its natural beauty.

Acrylic Patch Kit

If you have a crack or hole in your acrylic surface, an acrylic patch kit can be a great solution. Here are the materials you will need to get started: Acrylic patch kit

Sandpaper (120, 220, and 400 grit) Cleaning solution Masking tape

Paintbrush Plastic scraper The acrylic patch kit should come with the actual patching material, as well as an adhesive and hardening agent. Before you begin, it’s important to clean the damaged area thoroughly with a cleaning solution.

Once the surface is dry, use a plastic scraper to apply the adhesive to the area, then carefully place the patching material onto the adhesive. Use a paintbrush to apply the hardening agent over the entire patch, being sure to follow the instructions on the kit for proper drying and curing times. Before using the patch, you may need to sand down the area around the damaged spot using 120, 220, and 400 grit sandpaper.

This will help the patch blend in with the surrounding surface. Be sure to use masking tape to protect any areas you don’t want to sand or patch. Overall, an acrylic patch kit can be a convenient and effective solution for repairing cracks and holes in your acrylic surface.

With a little bit of patience and attention to detail, you can achieve great results.

Polishing Cloth

If you’re looking to keep your jewelry looking shiny and new, a polishing cloth can be just the thing you need. To get started, all you need is the cloth itself and some elbow grease. Before you begin, make sure to check the instructions on the cloth to ensure that it’s safe for your particular type of jewelry.

Once you’re ready, simply gently rub the jewelry with the cloth in a circular motion. The cloth should remove any tarnish or dirt, leaving your jewelry looking as good as the day you got it. Polishing cloths can be a great investment, as they can be used multiple times and are an easy way to spruce up your favorite accessories without having to spend a lot of money.

So why not give it a try and see how much of a difference a little bit of polishing can make?

Masking tape

When it comes to DIY projects, masking tape is an incredibly versatile tool that can come in handy in a variety of situations. Before you begin, make sure you have all the materials you need, including a roll of masking tape, a pair of scissors, and a clean surface to work on. It’s important to choose the right kind of masking tape for your project – some tapes are more durable than others, and some are better suited for certain surfaces than others.

You’ll also want to make sure your surface is clean and dry before you start applying any tape. Once you have everything you need, you can get started on your project and have fun exploring all the different ways masking tape can be used!

Step-by-Step Process

If you have an acrylic aquarium, it’s common for the need to drill holes for filtration systems. However, sometimes these drill holes may become an eyesore in your beautiful aquarium. Don’t worry, as there are steps you can take to cover up these unsightly holes.

The first step is to clean the area around the drilled hole with a soft cloth and a mild cleaning solution. Next, get a clear acrylic patch that is thicker than the thickness of your aquarium. Place a small amount of acrylic cement on the edge of the patch and then place it over the drilled hole.

Press down firmly to ensure a tight seal. Allow it to dry for at least 48 hours before removing any excess cement and sanding it down to smooth out the surface. Finally, use an acrylic polish to clean any residue and restore the original shine of your aquarium.

With these simple steps, you can easily cover up those drill holes and preserve the beauty of your acrylic aquarium.

Step 1: Clean the Area

Cleaning is an essential step in any home, office or workspace to ensure a hygienic and conducive environment. When cleaning an area, ensure that you start from the top and work your way down to avoid any residual dirt or debris. The first step in the cleaning process should always be to clear out any clutter or items that may impede your cleaning efforts.

Once the area is decluttered, start by dusting the surfaces. Use a microfiber cloth to avoid spreading dust and dirt around the room. Clean all surfaces, including windows, walls, and floors, and remember to use a vacuum to remove any hidden dust or debris.

It’s essential to pay attention to the details, such as corners, baseboards, and light switches, which often accumulate dust and grime. In summary, cleaning an area is critical in maintaining a healthy environment. Take your time, be thorough and remember to start from the top and work your way down.

Step 2: Apply Masking Tape

When it comes to painting, masking tape is a valuable tool that can make the job a lot easier and cleaner. Once you have cleaned the surface you want to paint and gathered your supplies, the second step in the process is to apply masking tape. This will help you create clean, straight lines and protect areas that you don’t want to paint.

Start by selecting a high-quality masking tape that is specifically designed for painting, as it will adhere well and be easy to remove without damaging the surface underneath. Then, carefully apply the tape along the edges of the area you want to paint, ensuring that it is straight and even. Take your time and make sure that the tape is pressed down firmly, especially at the edges.

This will help prevent paint from seeping underneath and creating messy, uneven lines. With your masking tape in place, you can move on to the next step confident that your painting project will be a success.

Step 3: Mix and Apply the Acrylic Patch

Now that you’ve prepared the crack and filled it with foam backer rod, it’s time to mix and apply the acrylic patch. This step is crucial to ensuring that the patch is smooth, even, and long-lasting. First, open the acrylic patch container and read the manufacturer’s instructions carefully.

It’s important to follow the directions closely to achieve the best results. Next, use a drill with a mixing paddle attachment to mix the patch until it’s a consistent texture. Be sure not to overmix as this can cause bubbling and unevenness in the final product.

Use a putty knife or trowel to apply the patch, starting at one end of the crack and working your way to the other. Apply the patch in thin layers, building up slowly until the crack is filled to just above the surface level. Smooth out any bumps or ridges with the putty knife or trowel.

Finally, allow the patch to dry according to the manufacturer’s instructions before sanding it down to a smooth finish. With this simple process, your concrete crack will be as good as new!

Step 4: Let it Dry

After completing the previous steps of cleaning and preparing, it’s time to let your item dry. This step is crucial to avoid any damage or imperfections caused by haste. Once you’ve removed excess water, find a clean, flat surface to lay your item on.

If it’s a garment, smooth out any wrinkles or bunches to preserve its shape. Be patient and let nature take its course. You can speed up the drying process by placing the item in a well-ventilated area, or if possible, outside in the sun.

However, avoid direct sunlight exposure, as this may harm certain materials. Depending on the item’s size and thickness, the drying time may take several hours or even days. Remember to check your item frequently and rotate it if necessary to ensure that it dries evenly.

Only once it’s completely dry can you proceed to the final step of your restoration project. By following these steps, you can restore old items to their former glory and enjoy them for years to come.

Step 5: Remove the Masking Tape and Polish the Area

Now that the paint has dried, it’s time to remove the masking tape and polish the area. Make sure you take off the tape slowly and carefully to avoid any damage to the newly painted surface. Once the tape is removed, inspect the painted area for any imperfections.

If there are any, don’t worry. You can use a fine-grit sandpaper to sand down the rough patches and then reapply the paint. Once you’re satisfied with the painted surface, it’s time to add some extra shine.

Get a good-quality polishing compound and apply it with a microfiber cloth, using circular motions. Go over the entire painted area and make sure the surface is evenly polished. Once you’re done, wipe off any excess polish with a clean cloth.

As a final step, give the paint some time to cure before using your vehicle again. Usually, it takes around 24-48 hours for the paint to fully cure, but make sure to check the manufacturer’s guidelines to be sure. And there you have it – a fresh coat of paint that looks like it was done by a professional! With some patience and attention to detail, anyone can achieve great results with a DIY paint job.

Preventative Measures

If you want to avoid the headache of having to cover drill holes in your acrylic aquarium after the fact, there are some preventative measures you can take. The first step is to make sure you have the proper tools for drilling, such as a drill bit specifically designed for acrylic. It’s also important to measure and mark the exact locations where you want the holes before starting to drill, to avoid any mistakes.

Positioning the aquarium on a stable surface and using a clamp or support during the drilling can also help prevent any damage to the acrylic. Finally, it’s important to use a slow and steady drilling speed, with plenty of water as lubrication, to avoid any heat buildup that could crack or melt the acrylic. By taking these precautions, you can minimize the risk of needing to cover up drill holes in your acrylic aquarium later on.

Avoiding Drill Holes in Acrylic Aquariums

When it comes to acrylic aquariums, drill holes should be avoided as much as possible. Prevention is key, and there are various measures that can be taken to minimize the need for drilling. Firstly, it’s essential to plan ahead and ensure that all necessary equipment, such as pumps and filters, are in the right place from the start.

This means thinking carefully about the layout of the aquarium and the equipment required to keep it clean and functional. In addition, choosing the right type of aquarium can also help prevent the need for drilling. Rimless tanks, for example, are often easier to clean and maintain and may not require any holes to be drilled.

Finally, regular cleaning and maintenance can also help prevent issues that may lead to the need for drilling, such as clogs or blockages in the filtration system. With these preventative measures in place, it’s possible to minimize the risk of having to drill holes in your acrylic aquarium, helping keep it looking its best without compromising its integrity or safety.


And there you have it! Whether you’re patching up an old acrylic aquarium or setting up a brand new one, covering drill holes doesn’t have to be a daunting task. With a little bit of patience, the right tools, and some creative thinking, you can seamlessly blend any unsightly holes into your tank’s beautiful backdrop. So go forth and let your DIY skills shine – your fish will thank you for it!”


Can I use regular glue to cover a drill hole in an acrylic aquarium?
No, regular glue will not work on acrylic. You need to use a solvent-based adhesive specifically designed for acrylic.

Will covering a drill hole affect the structural integrity of the aquarium?
No, covering a drill hole will not affect the structural integrity of the aquarium, as long as you use the correct adhesive and follow the manufacturer’s instructions.

How long should I wait before covering a freshly drilled hole in my acrylic aquarium?
You should wait at least 24 hours for the acrylic to fully cure before attempting to cover a freshly drilled hole.

Is it safe to cover a drill hole while fish are still in the aquarium?
No, it is not safe to cover a drill hole while fish are still in the aquarium. You should remove the fish and place them in a temporary tank while you work on the aquarium.

What is the best material to use for covering a drill hole in an acrylic aquarium?
The best material to use for covering a drill hole in an acrylic aquarium is a piece of acrylic sheet that matches the thickness and color of your aquarium.

Can I use silicone to cover a drill hole in an acrylic aquarium?
No, silicone will not adhere properly to acrylic and will not provide a secure seal. You should use a solvent-based adhesive designed for acrylic instead.

How can I make sure the cover for the drill hole is waterproof?
To make sure the cover for the drill hole is waterproof, you should use a solvent-based adhesive specifically designed for acrylic and follow the manufacturer’s instructions carefully. You should also allow the adhesive to dry completely before adding water back into the aquarium.