Question 1

How long will the UV bulb last if the unit is run 24 hours a day?

Accepted Answer

In the experimental test, the average life of the bulb is 8,000 hours, but in actual use, the life may not be exactly the same because of the different environments used in each home. But we offer a one year warranty, if any question , just send a message to me , i will solve in  24 hours. 
In addition, this machine can work 24 hours, but it is not recommended. Because it is not good for fish to completely kill all the bacteria, the water also includes beneficial bacteria. For example, if a person is in a sterile environment, the body will become weak. So in general, it is more appropriate to open the UV sterilizer for 30-60 minutes per day depending on the condition of the fish tank.

Question 2

What is the contact info i couldn’t find it on my box. mine stopped working less than 30 days but my amazon return window for amazon is closed

Accepted Answer

Great

Question 3

Does this work with hair algea on the rocks on saltwater ?

Accepted Answer

No, this machine can't kill the hair algea grow on the rocks .
Because the working principle of this machine is that its internal motor will drive the water to form a water cycle, allowing the water to pass through the machine continuously, and the UVC bulb installed inside the machine will sterilize and purify the water which passing through it.
So the machin can use to kill the bacteria, viruses, and algae floating in the water, but it can't kill the hair algea which grow on the rocks or wall . becaue the hair algea will not pass throught the machine

Question 4

Can this be used in a sump?

Accepted Answer

If it is used to clean water, it may be can work, but if there is a lot of silt, it may can't work well because the silt will quickly block the filter sponge

COOSPIDER Aquarium Filter with 9W U-V Light JUP-01 210GPH for 40-80 Gallon

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