How to Clean a Fish Finder Screen | An Expert Guide


It’s fascinating to see what you usually can’t with your naked eyes, right? Well, maybe not your future, but with a clear and brighter screen of a fish finder, you can see the fishes out there. When it comes to figuring out the fishes’ precise location with fish finders’ things that come into play are depth, bottom composition, and temperature. The most common reasons you might lose good visibility on the screen are smudges and spots. Budget-friendly fish finders come with plastic screen lenses, but the pricy ones come with an anti-reflective coating. You can’t clean this screen following the typical methods, so you go to be careful when cleaning. No worries, in this article, you will learn how to clean a fish finder screen.

What is a Fish Finder?

It’s a device used in boats by fishermen to determine the precise location of fish in the water. The Fishfinder device is based on a technology called the SONAR (Sound Navigation and Ranging) system. It helps a fisherman to find the fish’s location and displays it on a digital screen.

It was first introduced in the 90s and getting a constant upgrade since then. With the blessing of modern technology nowadays, you can even have GPS and Electronic Compass and RADAR installed in this device enables you to receive more reliable feedback.

How to Clean a Fish Finder Screen

Why Do You Need a Fish Finder? 

Having the best fish finder installed on your boat when you are a fisherman is a real blessing. And here’s why:

  • Provides you clear feedback on what’s beneath the water around you so you can catch a good number of fishes in a short time.
  • “A wise fisherman doesn’t go after the fish; he goes what the fish are going after. “If you can get to know what your targeted fish is looking for you, you can track and catch them easily.” 
  • Help you to set a course for your objectives. For example, after marking a spot, you can come back there later as the GPS will guide you back.
  • A fish finder can also show underwater structure. This feature can come in handy when you are tracking a specific fish. Also, help you keep your boat safe from getting stuck or colliding with unwanted objects such as rocks or shipwrecks.
  • A fish finder can provide you water temperature feedback. Therefore, you can catch the fish you want by tracking the movement depending on the water temperature.

So, as you can see, a fish finder can turn out to be a game-changer in catching tons of fish in no time.

What is a Fish Finder

Things You Should Avoid Doing When Cleaning Your Fish Finder

Cleaning a fish finder is not like cleaning your window panes. The modern fishfinder monitor comes with anti-reflective coating technology so, using any abrasive cleaner can end up damaging it for good. The abrasive cleaner can wipe off the coating on the monitor just like sandpaper would do.

Also, using a paper towel to wipe the screen would be a bad idea, as they have fiber which can create scratches on the surface. You wouldn’t want to use alcohol or ammonia to clean the display as they work as a solvent to dissolve the reflective coating. 

You might find them useful in getting rid of the water spots but, long-term use will damage the anti-reflective feature. 

This will make the feedbacks almost impossible to see if it comes in contact with sunlight or any other ambient light. From time to time, the screen will start to cloud up, and making it useless at a point.

Some people may suggest you use Rain-X to clean the screen but avoid those at all costs. They are made with polymer substances so, they might cover up the anti-reflective screen. As a result, you will lose the anti-reflection feature.

How to Clean a Fish Finder Screen

Effective Ways to Clean a Fish Finder Screen

So, here comes the million-dollar question, how to clean a fish finder screen after all these restrictions? No worries! We have some easy and effective solutions for you. And here are they:

Try Windex with Vinegar

Well, you might be wondering how you can use Windex as they contain ammonia and alcohol, and they are quite good at dissolving reflective-coating. The excellent news is Windex Multisurface with vinegar turns out to be 100% ammonia-free. So, you can clean your fishfinder with its screen without any worries.

Specialty Cleanser

You will find various glass cleaners available out there in the market. And they are quite good at cleaning your fish finder screen without damaging the reflective coating. These products are 100% ammonia and alcohol-free and come in a user-friendly spray bottle.

Spark Glass Cleanser

Speak glass cleanser has no ammonia and alcohol, so they are safe to use in cleaning the fish finder screen. You can turn this cleanser more effective in cleaning the screen by using a little bit of vinegar.

Water and Vinegar

Using water and pure vinegar is the safest and most effective way of cleaning your fish finder screen. However, you got to be a little bit careful if they contain mild acid. So, when using vinegar in 16 parts of water, apply 1 part of vinegar.

Soap and Water

This method is the most cost-effective way when it comes to clean your fish finder screen. Just adding cheap dish soap in normal water and spray them on the screen. Also, you can spray it on a soft cloth then wipe the screen carefully. 

For rinsing, apply a damp and clean cloth, and you have done it. See! Easy peasy-lemon squeezy!

Final Words

So, it turns out cleaning your fish finder is not as difficult as you thought. As they aren’t like normal glasses, you need to be cautious when cleaning them.

Keeping vinegar or spark glass cleanser when you are out in the water would be a good idea so, whenever the screen becomes foggy are scratchy, you clean it immediately.

We hope now you completely understand how to clean a fish finder screen. Thanks for your reading, and we are glad to help you out.

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