ARCADIA RARTP39DZ Uvb Reptile Lightfixture Kit T5 36

( Brand: Arcadia ), ( Manufacturer Part Number: RARTP39DZ ), ( Part Type: Kit )

Review ARCADIA T5 Uvb Reptile Lightfixture Kit 36 Inch Long

The **Arcadia RARTP39DZ T5 UVB Reptile Light Fixture Kit (36 inches)** is a meticulously engineered, high-performance lighting solution designed to replicate the natural spectrum of sunlight essential for the health, vitality, and well-being of reptiles, amphibians, and other herpetological species. This premium fixture combines cutting-edge technology with ergonomic design to provide a comprehensive lighting environment that supports proper basking, digestion, vitamin D synthesis, and overall physiological function. At the heart of this system is a **36-inch linear T5 UVB fluorescent tube**, which emits a broad-spectrum output optimized for the UVB range (280 315 nm), critical for calcium metabolism and preventing metabolic bone disease in reptiles like bearded dragons, leopard geckos, blue-tongued skinks, and various iguanas. The fixture features a **high-output (HO) UVB tube**, delivering up to **12% UVB output**, significantly higher than standard tubes, ensuring that even larger enclosures receive adequate exposure without the need for excessive bulb replacement. The **DZ (dual zone) configuration** allows for precise placement of the UVB tube, enabling users to position it closer to the basking area while maintaining safety and efficiency, as the UVB output diminishes rapidly with distance. This setup is particularly beneficial for species that require both UVB and heat in close proximity, such as ball pythons or green iguanas.

The **aluminum housing** of the fixture is not only durable and resistant to warping but also features a **reflective interior**, maximizing light output and ensuring even distribution across the enclosure. The design includes **adjustable mounting brackets** and **quick-release clips**, allowing for flexible installation on walls, ceilings, or even over-the-top setups, depending on the enclosure type. The **T5 bulb holder** is securely integrated with a **low-profile design**, minimizing obstruction and providing a sleek, unobtrusive appearance that blends seamlessly into any terrarium setup. For added convenience, the fixture is equipped with a **standard E26 or E27 base**, compatible with most reptile-specific bulbs, including both UVB and incandescent options, allowing users to customize their lighting regimen further. The **36-inch length** makes this fixture ideal for mid-sized to large enclosures, such as those housing adult bearded dragons, monitors, or large tortoises, ensuring comprehensive coverage without the need for multiple fixtures.

Beyond its functional benefits, the **Arcadia RARTP39DZ** is engineered with safety and longevity in mind. The **double-insulated wiring** and **UL-listed components** ensure compliance with electrical safety standards, reducing the risk of hazards in a reptile environment. The fixture s **low heat emission** minimizes the risk of overheating, making it suitable for use alongside heat lamps or ceramic heat emitters without compromising the enclosure s thermal gradient. Additionally, the **durable construction** and **corrosion-resistant materials** make this fixture highly resistant to humidity and condensation, which is particularly advantageous for species that thrive in tropical or high-moisture environments. Whether used in a **basking setup with a heat lamp** or as a standalone UVB source, this fixture provides a **reliable, long-lasting solution** that promotes the natural behaviors and health of reptiles while reducing the need for frequent bulb replacements. For herpetologists, hobbyists, and breeders seeking a **high-quality, versatile lighting system**, the **Arcadia RARTP39DZ T5 UVB Reptile Light Fixture Kit** stands as an indispensable tool in creating a thriving, biologically appropriate habitat.

The **Arcadia Reptile Lighting Fixture Kit (RARTP39DZ, T5 UVB, 36-inch)** is a popular choice for reptile enthusiasts, particularly those keeping species like bearded dragons, leopard geckos, or other reptiles that require UVB lighting. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Arcadia RARTP39DZ T5 UVB Lighting Kit**

1. **High-Quality UVB Output**

The kit includes a **T5 HO (High Output) UVB bulb**, which provides stronger and more effective UVB radiation compared to older T8 bulbs. This is crucial for reptiles that rely on UVB for calcium metabolism, vitamin D synthesis, and overall health. The **3.0% UVB output** is suitable for many species, though some may require adjustments based on their specific needs.

2. **Adjustable Fixture with Multiple Mounting Options**

The fixture is **adjustable**, allowing users to position the UVB bulb at the optimal angle (typically 6 12 inches above the basking area) for even distribution. It also includes **multiple mounting options**, such as a clamp, bracket, or direct attachment to a tank, making it versatile for different setups.

3. **Dimmable Basking Lamp Included**

The kit comes with a **100W incandescent basking bulb**, which provides heat for the reptile s basking spot. The fixture is designed to accommodate a **dimmable or adjustable wattage** (though the included bulb is fixed at 100W), allowing for temperature regulation. Some users may opt for a separate dimmer switch for better control.

4. **Durable and Well-Constructed**

Arcadia fixtures are generally known for their **sturdy metal construction**, which reduces the risk of warping or breaking over time. The wiring and connections are also well-insulated, minimizing fire hazards.

5. **Easy Installation and Compatibility**

The kit is **plug-and-play**, requiring minimal setup. It is compatible with most standard reptile tanks (though the length should match or slightly exceed the tank s width for full coverage). The **36-inch length** is ideal for mid-sized enclosures (e.g., 20 40-gallon tanks).

6. **Good for Multiple Reptiles**

If properly spaced, this fixture can provide adequate UVB coverage for **two smaller reptiles** (e.g., two bearded dragons) or one larger species (e.g., a leopard gecko or blue-tongued skink) in a well-ventilated setup.

7. **Positive User Feedback**

Many reptile keepers report **positive experiences** with this fixture, praising its reliability, even UVB distribution, and ease of use. Reviews often highlight its ability to maintain consistent performance over time.

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### **Cons of the Arcadia RARTP39DZ T5 UVB Lighting Kit**

1. **Limited UVB Coverage for Large Enclosures**

The **36-inch length** may not be sufficient for **very large tanks** (e.g., 60 gallon or extra-long setups). In such cases, a **dual UVB setup** (two fixtures) or a longer bulb (e.g., 48-inch) may be necessary to ensure full coverage.

2. **Fixed Basking Bulb Wattage**

While the included **100W basking bulb** works for many species, some reptiles (e.g., larger species like monitors or tortoises) may require **higher wattage** (e.g., 150W 250W) for adequate basking temperatures. Users may need to purchase a separate, higher-wattage bulb.

3. **Potential for Overheating Without Proper Ventilation**

Like all reptile lighting setups, **poor ventilation** can lead to heat buildup. The fixture itself does not have built-in cooling mechanisms, so users must ensure their enclosure has **proper airflow** to prevent overheating.

4. **UVB Degradation Over Time**

T5 HO UVB bulbs **lose effectiveness over time** (typically within **6 12 months**). While the Arcadia fixture is durable, users must **replace the bulb regularly** to maintain proper UVB levels. Some keepers opt for **linear fluorescent bulbs** (e.g., Arcadia 10.0 or ZooMed T5) for longer-lasting UVB.

5. **No Built-in Thermostat or Timer**

The kit does **not include a thermostat or timer**, meaning users must manually control the basking lamp s on/off cycle. This can be inconvenient for those who prefer automated temperature regulation. A separate **thermostat or timer** may need to be purchased.

6. **Potential for UVB Hotspots**

If the fixture is not positioned correctly (e.g., too close to the substrate), it can create **uneven UVB distribution**, leading to hotspots where UVB is concentrated. Proper spacing (usually **6 12 inches from the basking area**) is essential.

7. **Cost of Replacement Bulbs**

While the initial purchase is reasonable, **replacing UVB bulbs every 6 12 months** can add up over time. High-quality UVB bulbs (e.g., Arcadia, ZooMed, or Exo Terra) are not cheap, which may be a consideration for long-term keepers.

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### **Conclusion**

The **Arcadia RARTP39DZ T5 UVB Lighting Fixture Kit** is a **solid, reliable choice** for reptile owners who need a **high-quality, adjustable UVB and basking light setup**. It excels in providing **strong UVB output**, durability, and versatility, making it suitable for a wide range of reptiles. However, it has some limitations, particularly in **sizing for large enclosures**, the need for **regular bulb replacements**, and the lack of **automation features**.

For **small to medium-sized enclosures** (e.g., 20 40-gallon tanks) housing species like bearded dragons, leopard geckos, or small monitors, this kit is **highly recommended** if proper spacing and ventilation are maintained. Users should also consider **supplemental heating** if needed and **regular bulb maintenance** to ensure optimal performance.

If budget allows, some may opt for **premium alternatives** (e.g., Arcadia s **RARTP48DZ** for longer tanks or **ZooMed s T5 HO bulbs** for slightly better UVB output), but the RARTP39DZ remains a **cost-effective and effective choice** for many reptile setups.

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### **Final Recommendation**

- You have a **mid-sized enclosure (20 40 gallons)**.

- Your reptile species **requires 3.0% UVB** (e.g., bearded dragons, leopard geckos, blue-tongued skinks).

- You can **maintain proper bulb replacement schedules** (every 6 12 months).

- You want a **durable, adjustable fixture** with good basking options.

- Your tank is **very large or extra-long** (may need dual fixtures).

- You prefer **automated temperature control** (consider adding a thermostat).

- You want **longer-lasting UVB** (linear fluorescent bulbs may be worth the extra cost).

Overall, this is a **well-designed, functional kit** that meets the needs of many reptile owners, provided the user understands its limitations and follows proper lighting protocols.

Details:

The ARCADIA brand ensures quality and reliability, making this a great addition to any reptile owners collection of pet supplies. With a UVB component, this light fixture provides the necessary for reptiles to thrive and stay healthy. The ARCADIA T5 UVB Reptile LightFixture Kit is a 36-inch long lighting solution specifically designed for reptiles.

part #: rartp39dz prices

• $49.95-$163.77

specifications reptsuppl:

• brand: Arcadia
• mpn: Rartp39dz
• part type: Kit

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• Pet Supplies > Reptile Supplies
• condition: New

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• started: May 23, 2026
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