Have you ever seen the short video that says "The underwater world is in a fish tank"? Watching the colorful tropical fish shuttle in the light and shadow, I must be wondering: Where should this high-tech fish tank LED display be installed? Today we will talk about this topic that makes novices excited and confused.

▌Is installing an LED screen in a fish tank an IQ tax?
Pour cold water on it first - not all fish tanks are suitable for installing LED screens! Last year, a friend spent a lot of money to install a display screen for a 1.5-meter-long arowana tank at home. As a result, the light was too strong and scared the fish into hiding in corners. Here are the key points:
​​① Ornamental fish tanks (such as grass tanks and sea water tanks) are suitable for​​
​​② Breeding fish tanks (such as arowana tanks and koi ponds) should be used with caution​​
​​③ Commercial display tanks (aquariums, shopping mall atriums) are highly recommended​​

Having said that, the current mainstream fish tank LED screens are divided into two installation methods. Thin light strips directly attached to the tank wall, suitable for renovation of small tanks at home ； The modular screen embedded in the background panel is more suitable for large commercial fish tanks. The most amazing case I have ever seen is that an aquarium replaced the glass in the entire circular corridor with LED screens, making visitors feel like they are walking in an undersea tunnel.

▌What are the hard indicators to consider when choosing a screen?
The easiest pitfall for novices is to only look at appearance without looking at parameters. Remember these three key points:
​​• The brightness should not exceed 800cd/m²​ ​(Fish that are too bright will be stressed)
​​• Refresh rate at least 1920Hz​ ​(The screen will not flicker when shooting videos)
​​• Must be IP65 waterproof​ ​(Water vapor erosion is an invisible killer)

I visited an aquarium project last month and the system they used was quite clever. It automatically switches to low-brightness mode during the day and turns on dynamic light and shadow effects at night. It is said that this saves power and allows fish to maintain their natural routine. The surface of the screen is also coated with an anti-algae coating, which is particularly important for devices that have been soaked in water for a long time.

▌The installation location is particular
Don’t think that you can just find a location and install it! Here are a few lessons learned through blood and tears:
→ When installing on the side, consider the viewing angle (standing and sitting are completely different)
→ Anti-slip brackets must be installed at the bottom (don’t ask how you know this)
→ Top installation must leave space for heat dissipation (overheating will shorten screen life)

There is a very interesting design: the screen is installed on the back of the fish tank, and the mirror reflection creates an infinite extension effect. This kind of gameplay is particularly common in shopping mall aquariums. From the front, it looks like the entire space is surrounded by sea water.

▌Don’t be lazy with maintenance
Many people leave it alone after pretending, and as a result, stains appear on the screen half a year later. Remember these three maintenance tips:
​​"rub every week"​ ​(Clean with a soft cloth dipped in pure water)
​​"Check every month"​ ​(Check whether the power interface is oxidized)
​​"Quarterly test"​ ​(Use a colorimeter to check color consistency)

I heard that high-end models now can automatically detect the pH value of water quality and remind the owner to change the water through the color change of the screen. This kind of intelligent linkage design is expected to be popularized in the home market soon.

▌Unexpected hidden gameplay
Do you think fish tank LED screens can only be used for landscaping? Then underestimate it:

• Display countdown in conjunction with feeding time
• Play soothing light effects to help new fish adapt to their environment
• Connect the camera to realize "AR fish hunting""
  One Internet celebrity restaurant is even more unique. It projects the ordering QR code on the fish tank screen. When customers scan the code, they can also see the special effect of the dishes rotating in the water.

The editor has two final words: If you really want to pretend, first think clearly whether it is for fresh use or for long-term use. For small fish tanks at home, it is recommended to choose stick-on light strips, which can be done for less than 1,000 yuan. ； For large commercial fish tanks, you need to find a professional team to customize the plan. Don’t mess around on your own. By the way, I have recently seen some players transforming old mobile phones into fish tank controllers. This idea is beyond imagination - but having said that, it is more reliable to leave professional matters to professional equipment, right?

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