Question : What is the wavelength of the light?
Answer : The wavelength of light is 254nm.
Question : Can it remove the black precipitate attached to rock and tank?
Answer : No, it can only clean water green in the water.
Question : How long should the light be used for?
Answer : Suggest using the light for 3-4 hours once in 2-4 days.
Question : Is it normal for the control box to give off a fair amount of heat?
Answer : It is normal for the controller to emit a certain amount of heat, but please pay attention to the working hours. You can let it rest after working for a period of time to avoid danger caused by excessive negative pressure.
Question : My pond is estimated 400 gallon with a 5ft high tiered waterfall. Is this big enough? How big?
Answer : Hello, your fish tank is big enough. The product lengths are: 7W-8.46in; 11W-9.44in; 13W-9.44in. You can choose the appropriate size according to the size of the filter tank in your fish tank. Hope my answer can help you.
Question : Does this light have a constant on mode?
Answer : This fish tank disinfection lamp has a timing function, 3h, 6h, 12h, 24h, it can be turned off regularly, but it cannot be turned on regularly.
Question : Work for 240 voltage?
Answer : Voltage is 110-220V
Question : What size tank — in gallons does the 13 watt version support?
Answer : The size of 13W is 9.44in. You can choose according to the size of your own water tank. If the size is too big, we still have a size of 7W. I hope you can choose the product you are satisfied with.
Question : What are the dimensions of the tube?
Answer : The total length of the tube for the 13 watt type is about 11 inches by one inch in diameter. These units have a decent output of UVC as measured by a narrow pass UVC meter. Just remember these tubes must not go in the aquarium as they will kill the fish as quickly as they kill bacteria.
Question : Is this light safe for the eye and skin if placed in a sump?
Answer : UV-C can cause 3rd degree burns within a few minutes of direct exposure. UV-C can cause permanent blindness by looking at the light for 5-10 seconds. Be careful and treat this like you would treat a hot pan on the stove.
Question : How do I install the light in my 50 gallon fish tank?
Answer : The disinfection lamp has two suction cups. You can put it in the filter device. If there is no filter, you can also put it directly in the water. But please be careful not to let the UV lamp directly irradiate your fish.
Question : Can you remove the timer and wire directly to outlet or is there a voltage regulator under the timer circuit board?
Answer : I guess you could if you are a licensed electrician. But what you are talking about could end up catching your house on fire!!
Question : I make vinegar from wine. i use the acetobacter bacteria to accomplish this. will this uv lamp kill this bacteria?
Answer : No, it’ll kill all bacteria. Even good bacteria. That’s because it damages DNA and RNA, and both good & bad bacteria have DNA and RNA.