Top 5 How To Make Uv Light For Turtle Quick Answer

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How much UV light do turtles need?

It’s recommended you leave the lights on for 8–10 hours a day, turning them off for 10–12 hours. The easiest way to achieve this is to use a timer. Turtles are also ectothermic (cold-blooded), so rely on their environment to regulate their body temperature.

Can I use a regular bulb for a basking light for turtle?

Yes, all types of light bulbs emit heat, but your turtle will bask best under an incandescent bulb. They work better for heating purposes than for providing UVB light. Place one at least 12 inches above a large flat rock for your turtle to laze upon while he’s enjoying the heat.

Is UV light good for turtle?

Why Do Turtles need UVB Light? Turtles (and all reptiles) need UVB light to produce Vitamin D3 and to help them properly use calcium and other nutrients. Without enough UVB light, turtles will experience shell problems and metabolic bone disease.

What is UV light made of?

Ultraviolet (UV) is a form of electromagnetic radiation with wavelength from 10 nm (with a corresponding frequency around 30 PHz) to 400 nm (750 THz), shorter than that of visible light, but longer than X-rays.

Do LED lights have UVB?

Do LED Light Bulbs Emit UV Radiation? For the majority of LED light bulbs, in industrial applications and otherwise, they do not give off UV radiation. In earlier incarnations of LED lighting the reason they did not emit UV radiation was their inability to give off white light.

Do turtles need 5.0 or 10.0 UVB?

The amount of UVB your turtle needs will depend on its natural habitat. Most turtles will require 10.0 (or 10%) UVB, especially turtles who live in desert conditions. However, aquatic turtles or turtle species that come from swampy areas need less UVB, around 5% or a 5.0 bulb.

What kind of lamp do turtles need?

They need a UV lamp specifically made for reptiles. This light should provide them with both UVA and UVB rays. There are several choices when it comes to lighting your turtle tank: Mercury vapor lamps – You can buy one lamp that provides UVA and UVB light and heat.

Is 25 watts enough for turtle?

Wattage and Temperature

In smaller turtle tanks, a 50-watt or 75-watt bulb should be plenty. Larger setups might require a higher watt bulb, such as 100 watts. The temperature of your turtle’s basking platform is also important.

How many hours of UV light does a tortoise need?

In general, provide your tortoise with warmth and light for 8-10 hours every day, corresponding to the usual day length. Provided that the UV source is working effectively, this will meet your tortoise’s UV requirement.

How can I keep my tortoise warm without a heat lamp?

Now as I say, heat lamps aren’t you’re only option for providing you baby tortoise with the heat he needs. I don’t personally have any experience of using them but there are two widely used alternatives to heat lamps: Ceramic Heat Plates. Heat Mats.

What wattage bulb do turtles need?

What’s the Best Turtle Basking Light Wattage? A turtle heat lamp wattage, doesn’t matter. Any lamp that is between 50 and 100 watts will work for your turtle.

Do turtles need 5.0 or 10.0 UVB?

The amount of UVB your turtle needs will depend on its natural habitat. Most turtles will require 10.0 (or 10%) UVB, especially turtles who live in desert conditions. However, aquatic turtles or turtle species that come from swampy areas need less UVB, around 5% or a 5.0 bulb.

Can turtles get too much UVB?

Whilst UV light is necessary for captive tortoises, it’s also possible for them to get too much UV. In the wild, tortoises can retreat in shadowed areas and they also do not stay out in the sun all the time. Therefore, having a UV bulb on all the time in your enclosure may be too much for your tortoise.

How far away should UVB light be from turtle?

UVB rays must also be able to reach your tortoise or turtle without being scattered or blocked by glass, plexiglass, or screens. An ideal distance between your pet and a regular UVB light is 10-20 inches, depending on the wattage of the bulb, with nothing in between them and the light.

How many watts should a turtle light be?

Wattage and Temperature

In smaller turtle tanks, a 50-watt or 75-watt bulb should be plenty. Larger setups might require a higher watt bulb, such as 100 watts. The temperature of your turtle’s basking platform is also important.


Uvb light setup DIY TURTLES UVB light @ 150₹
Uvb light setup DIY TURTLES UVB light @ 150₹


Do turtles need UVB light? A guide to turtle heat and lighting | King British

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Find out more about heat UVA light and UVB light in our turtle heat and lighting guide

Why is turtle heat and lighting so important

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How do I provide my turtle with UVA UVB and heat

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How To Make UV Light For Turtles?

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Do turtles need UVB light? A guide to turtle heat and lighting

Find out more about heat, UVA light and UVB light in our turtle heat and lighting guide.

Turtles require very specific conditions in order to stay happy and healthy. One of the most important aspects is the amount of heat and lighting turtles have access to. Not maintaining the correct conditions can lead to illness and in severe cases death. To help you out, we’ve put together this turtle heat and lighting guide all about heat, UVA light and UVB light, and why it’s so important.

Why is turtle heat and lighting so important?

Quite simply, heat and lighting are important for turtles because they need it to survive.

Light helps to regulate turtles’ circadian rhythms. This means that, like us, they need periods of day and night in order to function properly. If their circadian rhythms are disrupted your turtle won’t be able to sleep properly and will become stressed. This will impact their immune system and overall health, just like it does in people. It’s recommended you leave the lights on for 8–10 hours a day, turning them off for 10–12 hours. The easiest way to achieve this is to use a timer.

Turtles are also ectothermic (cold-blooded), so rely on their environment to regulate their body temperature. Wild turtles are able to do this easily by spending time in the water and then coming on land to bask in natural sunlight.

As a turtle owner, you have a responsibility to replicate the natural conditions your pet would have in the wild. This is why ensuring your turtle’s home is set up correctly with a swimming area, a basking area, and the right heat and lighting is so important.

Why do turtles need to bask?

Turtles need to bask in order to dry, warm up, absorb essential nutrients and regulate their metabolism.

Although they spend much of their time in water, turtles need the opportunity to completely dry out. If your turtle can’t do this will they get too cold, and algae and fungus growth can occur on their shell. If left untreated, this could lead to shell rot.

Basking also allows turtles to absorb UVA and UVB rays, both of which are essential for healthy development.

Why do turtles need UVA and UVB light?

Turtles need UVA and UVB light to stay healthy.

There are mixed views on the importance of UVA light. Some people believe it’s not as important as UVB light, but it’s known to help with breeding and activity levels. Alongside this, turtles living in the wild would be exposed to UVA rays every day. So, if you want to replicate their natural environment as closely as possible, we recommend providing UVA light.

One thing turtle keepers do agree on is that all turtles need access to UVB light.

Calcium is an essential mineral for turtles, and forms an important part of their diet. It helps them to maintain strong bones, keep their shell strong and healthy, and to carry out many important bodily functions.

In order for turtles to process and utilise calcium, they need a vitamin called D3. When the skin absorbs UVB rays, the body creates Vitamin D and converts it into Vitamin D3. Only once Vitamin D3 is present can a turtle begin to utilise the calcium they’ve taken in through food.

Without absorbing UVB rays, turtles are unable produce Vitamin D3 and utilise calcium.

What happens if my turtle doesn’t get enough UVB light?

If your turtle doesn’t get enough UVB light, they will develop serious health conditions. In cases of severe deficiency, death is an unfortunate but probable consequence.

Without the ability to absorb the essential calcium, their bones and shell will become weak. This means they can become damaged more easily, causing infections and ultimately death.

How do I provide my turtle with UVA, UVB and heat?

UVA, UVB and heat can all be provided to your turtle through specialised and specific reptile lamps.

This is where it is key to do your research. While many basking lamps provide UVA light and heat, they don’t give out UVB light. You will need to purchase and set up a separate UVB light.

Different basking and UVB lights will also be different strengths and wattages. Before making a purchase, we strongly recommend speaking with your turtle specialist about your turtle and tank setup.

What Kind of Light Bulb for Turtles?

In the natural world, sunlight isn’t constant. The sun rises and sets, and your turtle’s inner clock goes by that cycle. That means providing your turtle with 12 to 14 hours of light every day but turning the light off during the other 10 to 12 hours. Putting the lights on a timer is useful because you won’t have to worry about forgetting to turn them off and on. If you want to observe your turtle even when his light bulb is off, you can get a third lamp for his habitat that holds a red or black light to allow you to see him without keeping him awake. These bulbs put out a bit of heat even though they don’t emit a bright light. That means they can be useful for maintaining your turtle’s terrarium temperature during the night, but they still should be kept a safe distance from your turtle — 12 inches or more, but at least out of his reach.

Proper Lighting for your Turtle Habitat

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Lighting Your Turtle Habitat

One of the most common questions that new turtle keepers have about caring for their turtles is, “What kinds of lights do you need for a turtle tank?”

That’s a very good question because the lighting in a turtle habitat is very important. The lights aren’t just there so we can see our turtles. They’re much more important than that. In fact, your turtle’s life depends on having the right kind of lighting.

Before we talk about your turtle’s lighting needs, however, there are a few safety-related things I need to tell you that have to do with protecting people’s health.

First of all, it is very, very important that you never look directly at a turtle light. They are very bright and can damage your eyes. The lamps that produce UV light are even more dangerous. They can cause blindness if you stare at them long enough. So never look directly at a turtle light of any kind, and don’t aim them in such a way that people sitting in the room can see the bulbs or tubes or the glare from the reflectors. This is very important.

Secondly, you should always secure the lights over your turtle tank in such a way that they can’t fall into the water. If they do, you or your turtles could be electrocuted. So if you set them on the screen cover, also secure them in some way so they can’t fall into the water if the cover is removed. The way I usually do it is by hanging them from a wooden light bar and wrapping the wire around itself, then securing it with a zip tie or by wrapping electrical tape around the wire where it is looped over itself. You can see what I mean in the picture in the section farther down on this page.

Finally, never work with turtle lights (or other electrical accessories for your turtle habitat) with the power on. Electricity and water don’t mix.

What Kinds of Lights do Pet Turtles Need?

Now that we understand the lighting safety rules for people, let’s look at our turtles’ lighting needs.

Like all reptiles, aquatic and semi-aquatic turtles need three kinds of light, all of which should be pointed at their basking area. They need light that approximates normal sunlight, UVA (Ultraviolet A) light, and UVB (Ultraviolet B) light. They also need warmth like the sun would provide if they were living in the wild.

In nature, aquatic turtles spend a good part of every day basking in the sunlight. The warmth raises their body temperatures to help maintain their metabolism and do things like fight germs; and the daylight-spectrum and UVA light are important to activity, mood, feeding, and breeding. Most basking lamps provide both simulated daylight and UVA light for our turtles.

The UVB light is essential to a turtle’s Vitamin D3 production, which is vital for proper shell and bone growth. Without the proper lighting, our turtles will get sick and most likely will die long, slow, painful deaths from metabolic bone disease. UVB light really is that important to turtles.

Turtles also need to have a reference basis for their circadian rhythms, which means that they need days and nights just like people do. Without day and night cycles, your turtle’s sleep habits will be disrupted, causing stress and reducing your turtle’s immunity and overall health. As your turtle’s keeper, you are responsible for creating everything in their world — even days and nights. You use an aquarium light timer to simulate day and night for your turtles.

Let’s talk a bit more about UVB light because it’s something that a lot of new turtle keepers have a hard time understanding.

Why Do Turtles need UVB Light?

Turtles (and all reptiles) need UVB light to produce Vitamin D3 and to help them properly use calcium and other nutrients. Without enough UVB light, turtles will experience shell problems and metabolic bone disease.

If turtles or other reptiles are deprived of UVB light for too long a time, they will die. So please be sure that you can afford to buy a UVB lamp and replace it every six months or so before you get your turtle.

I say this because many captive turtles don’t have enough UVB light simply because their keepers simply can’t afford one. This is especially true when people get baby turtles at a carnival or a fair without planning for them in advance. Many of these baby turtles will die in less than a year because their owners simply didn’t know how to take care of them until after they had the turtle.

It’s not always the keepers’ fault, though. Sometimes people who work in pet shops don’t know a lot about reptiles and they sell the keepers the wrong lights. Just because a light bulb says “full spectrum” or “sun spectrum” on the package doesn’t mean that it produces UVA or UVB light. In fact, most “sun spectrum” lamps provide very little, if any, UVB light.

Unfortunately, many new turtle keepers don’t know that. They just wonder why their turtles died so young. Many times it was just because they didn’t have the right amounts of the right kinds of light.

Your turtles should be very happy that you’re not one of those careless turtle keepers. You’re reading this page to learn how to provide your turtle with the care it needs. Good for you!

Lighting Up Your Turtle’s Life

Luckily, it’s pretty easy to give a turtle all the UVB light it needs. In fact, you can satisfy all of your turtle’s light needs with one lamp, if you like.

There are lamps called “Mercury Vapor Lamps” that provide heat, daylight, UVA, and UVB light all in one lamp. They’re an excellent choice if you don’t have a lot of room or if you want to keep things simple. They’ve also come down in price quite a bit over the past couple of years. Nowadays they’re actually a less-expensive way to light up your turtle’s world than using separate lamps.

On the down side, mercury vapor lamps do use a lot more electricity than halogen basking lights and fluorescent UVB lamps. In fact, they use about twice as much electricity as a comparable halogen / fluorescent lamp combination. If you live in an area with high energy costs, that can make a noticeable difference when the electric bill comes in. That’s actually why I started using halogen basking lamps. I used to live in the city where the electric rates were high, and my electric bills were getting ridiculous.

Most people choose to use two lamps, usually a UVB lamp of either a tube or compact design, and a separate basking lamp that also provides UVA light. For aquatic turtles, most experts recommend using a 2.5 percent, 3 percent, or 5 percent UVB lamp. These lamps are often called “Tropical UVB” lamps or “Swamp UVB” lamps, and are the type you should use for aquatic turtles.

I suggest that you not use “Desert UVB” or 10 percent UVB lamps for aquatic turtles. Those lamps are made for desert-dwelling reptiles, not aquatic turtles.

If you must use a 10.0 temporarily because it’s all that’s available at pet shops where you live, then move it farther away from the basking platform. It’s not a perfect solution, but it’s better than nothing.

When using any UVB lamp, it’s important to place it at the right distance so that the turtle will get the right amount of UVB light. Usually this is about 12 inches for a UVB 2.5 lamp and about 18 inches for a UVB 5 lamp. The companies that make these lamps usually have excellent information on their Web sites that provide detailed instructions.

Please note that UVB light doesn’t penetrate glass or plastic, so don’t use a glass or plastic cover on your turtle habitat or over the lamp itself. The best kind of cover for the basking area is a metal screen reptile tank cover.

A screen-type reptile tank cover will block as much as 50 percent of UVB light, so you should compensate by using a lamp with higher UVB output or placing it closer to the basking area. You can also build a tank cover out of 1/4 inch mesh hardware cloth, which is inexpensive and allows a lot more light to pass through.

Lamps that get hot (like incandescent, halogen, or mercury vapor lamps) should have a screen under them because they occasionally explode when they get splashed by water, and the glass can injure your turtle. Fluorescent lamps and LED lamps don’t need screens because they rarely, if ever explode or shatter.

Compact versus Tubular (Linear) UVB Lamps

UVB fluorescent lamps are available in two styles: Tubular (sometimes called Linear), which are straight and come in various lengths for different size fixtures (for example, the 18-inch T8 lamps are very popular); and Compact UVB lamps (shown on the right), which usually are squiggly-shaped and screw into a regular light socket.

When the compact UVB lamps first came out, there were a lot of problems with them. Some of them didn’t generate enough UVB light, and others seemed to generate too much. Some of them also seemed to irritate turtles’ eyes.

The companies that made these lights went back to the drawing board and re-designed them, and most turtle experts believe that the problems have been fixed. Some, however, still prefer the tubular lamps.

One thing that most experts agree about, however, is that if you choose to use a coil-type UVB lamp, you shouldn’t use a mirror-type metal reflector with it. That concentrates the UVB light too much. Use a fixture with a satin metal or white-painted interior, not a mirrored one. If your turtle shows any sign of eye irritation (for example, if it gets puffy eyes, rubs its eyes, or stops basking), then turn off the coil light for a few days and see if it clears up.

Just because UVB lamps are lighting up doesn’t mean that they’re producing the right amount of UVB light. They have to be replaced at regular intervals even if they still light up. Some lamp manufacturers say to replace them at six months, and others at a year. What I do if a lamp still lights when it’s time to replace it is set the old one aside as a spare in case the replacement fails prematurely. Then I can use the old one temporarily until a new one arrives.

Basking Lights

The other kind of light that turtles must have is a basking lamp, which is sometimes called a “daylight lamp.” These lights may be incandescent lamps that screw into an ordinary light socket, or they may be halogen lamps that save some electricity. Either way, they produce heat as well as light.

Some basking lamps have built-in reflectors that focus the beam. Others are round like regular light bulbs or are of unusual sizes that need to be used with special turtle lighting fixtures.

Basking lights should be aimed at a spot near the center of the turtle’s basking area and placed at a distance that heats that spot to the high end of your turtle’s temperature range. For most adult aquatic turtles, the temperature at the hottest spot of the basking area should be about 85 – 90 degrees Fahrenheit (or 29.4 – 32.2 degrees Celsius). For babies and turtles who are sick, it should be between 90 and 95 degrees Fahrenheit (32.2 to 35 degrees Celsius).

What you want to do is create a range of basking temperatures so your turtle can choose the one he or she likes. The hottest place — right where the light is pointed — should be the high end of the range for your turtle specie. The coolest part of the basking area should be at the low end of the temperature range.

By creating a range of temperatures, you’re giving your turtle a way to regulate its body temperature by moving from one spot on the basking area to another. That’s why it’s important to build or purchase a big enough basking platform. The turtle needs room to move around to find the right temperature.

Don’t guess about basking light placement and temperature! Use a reptile terrarium thermometer instead. They are available in the reptile section of pet stores and are not expensive. If you place your basking lamp too far away, your turtle can catch a chill and come down with an RI (respiratory infection), which often is fatal to turtles. If you place it too close, you can burn your turtle. So don’t guess about the temperature. Be smart and use a thermometer.

When taking temperatures, take them with the tank cover or screen in its usual position. Tank covers affect how much light and heat get through. When you remove the tank cover (for example, to feed the turtles or work on the habitat), put it back as soon as possible so the basking area doesn’t overheat. If you must leave the cover off for more than a few minutes, turn off any heat- or UV-producing lamps or temporarily move them farther away from the basking area. (Remember to put them back where they belong when you replace the cover.)

Combination Turtle Light Fixtures

One convenient way to save both space and money is with a single fixture that performs double duty, like the Zoo Med Aquatic Turtle UVB and Heat Lighting Kit. Other manufacturers make similar products, but I think this one is a good value. I’ve also had good success with Zoo Med lighting products in general. If I were setting up a new aquatic turtle habitat today and didn’t already have a bazillion turtle lamps stored away in my basement, this is the one I’d buy.

Now that I think about it, I actually do use the heat lamp included in this set as a separate basking light on one of my habitats, and the turtles like its light just fine. The halogen lamps are also pretty long-lasting as reptile basking lamps go and save some electricity.

Another thing I like about this combo set is that the basking lamp is halogen and the UV lamp is fluorescent (as are most UVB turtle lamps), so it saves quite a bit of money on electricity. You’d be surprised how much electricity is necessary to power the heating and lighting in a turtle habitat. Depending on where you live, it can add quite a bit to your electric bill; so saving wattage wherever you can is a good thing as long as you’re still providing good light and proper heat for your turtles.

I do have one caution about using combo lamp fixtures: When it’s time to replace the lamps, make sure you use the same types of lamps that came with the fixture. The fixture is calibrated in such a way that the UVB exposure and the heat produced by the basking lamp are balanced. Using lamps other than those for which the fixture was designed can create an unbalanced lighting condition. Zoo Med sells replacement lamps for the the fixture shown here as a set. Most other well-known manufacturers also sell replacement lamp sets for their fixtures, and using the same lamps as those that came with the fixture is your best bet as far as maintaining balanced lighting is concerned.

Daytime Viewing Lights

Another kind of lighting that you’ll probably want, especially if you have a big tank, is daytime viewing lights. These lamps are not there for heat, UV, or to keep the plants happy. They’re for people to be able to see into the tank.

I personally prefer LED viewing lights because they last pretty much forever and burn very little electricity. I also prefer “daylight” lamps (color temperature between 5000 K and 6500 K, depending on the manufacturer) because “soft white” or “warm white” lamps make the water look brownish and dirty. I’ve also been told that daylight lamps are better for aquatic plants than “softer” white lamps, but I’m not an expert in botany, so don’t take that as gospel.

Unless you have live plants or a problem with algae or cyanobacteria, daytime viewing lamps don’t have to be aquarium lamps. I’ve used LED aquarium lights, BR40 LED flood lamps, and even ordinary A19 LED light bulbs with lamp reflectors like painters use in my aquatic habitats. As long as the color temperature is between about 5000 K and 6500 K, it’s hard to tell the difference. The ones used over the tank in the turtle tank video feed on this site are 700-Lumen GE Daylight Flood Lamps. They’re inexpensive and they work just fine.

For planted tanks, you’re better off with actual aquarium lights. Also, if you have problems with cyanobacteria (so-called “blue-green algae”), ordinary household lamps shouldn’t be used. You’ll be better off using lamps with a color temperature more toward the bluish end of the spectrum (preferably in the 8,000K to 14,000K range) or a full-spectrum aquarium lamp until the cyanobacteria problem is cleared up.

If you use daytime viewing lamps, they should turn on and off with the basking and UV lamps to avoid throwing off the turtles’ day / night rhythm.

Night Lights

Another kind of light that many people like to use is called a night viewing lamp, or simply a “night light.” These usually come in either red or purplish-blue and are designed to allow night viewing without keeping your turtles awake all night and making them grouchy. They can also provide some heat, which can be important for hatchling turtles, who often sleep on the basking area at night. Adult turtles don’t need night lights, and most turtles don’t care whether they’re red or blue as long as they’re not too bright. I’ve noticed that a few turtles seem to be kept awake by red light, but not by blue, so I usually choose blue.

Another kind of night viewing lamp called an infrared heat lamp. They’re designed to produce heat as well as (usually) red light. Some provide mainly heat and little or no light. Their purpose is to keep your turtle’s basking area warm, which is mainly important for hatchlings, who often sleep on the basking area because their lungs are still very small. Once they get a little bigger and can hold their breath for a long enough time, they start sleeping underwater.

These lamps are also helpful when your turtle is ill because the infrared light helps raise their internal body temperature so they can fight the infection. They basically give the turtle a fever.

If you decide to use an infrared heat light, be really careful with it. Some of them put put out a whole lot of heat and can burn your turtle if you place them too close. They can also burn your turtle if you forget to turn them off when the daytime basking light comes on. The combined heat output of the two lights may be too hot for the turtle. An aquarium light timer automates the process so you don’t have to worry about it.

Circadian Rhythm

Circadian rhythm is just a fancy scientific name for the normal 24-hour cycle that most living things call a day. Like almost all animals, turtles focus their energy on different things at different times during a 24-hour day. This is true on the biochemical level inside their bodies, not just in terms of their behavior.

It’s important that a turtle’s habitat include days and nights. The natural rising and setting of the sun does this for turtles who live outside in ponds; but for turtles kept indoors in tanks, we have to create their days and nights by turning the lights on and off. In general, the “daytime” lights (that is, the basking and UVB lights) should only be kept on for 10 – 12 hours a day. When the daytime light is not on, either a night light or no light at all should be used.

An aquarium light timer to turn the lights in your turtle habitat on and off is a good investment for your turtle’s world. These timers can be purchased at pet shops or at home supply companies and are not very expensive.

So you have finished reading the how to make uv light for turtle topic article, if you find this article useful, please share it. Thank you very much. See more: uv light for turtle aquarium, turtle light, what watt uvb bulb for turtles, what is the best uvb light for turtles, turtle basking light, uva uvb light, uvb light for turtles petsmart, turtle tank

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