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Mars Hydro UR45 UV & IR Supplemental Light Bar

Mars Hydro UR45 UV & IR Supplemental Light Bar

Regular price £89.00 GBP
Regular price Sale price £89.00 GBP
Sale Sold out
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Mars Hydro UR45 UV & IR Supplemental Light Bar

New from Mars Hydro - the UR45 improves your flavours, aromas & resin production with plug and play simplicity. Easy to install, and super cheap to run - the Mars Hydro UR45 LED Grow Light is a must have for all connoisseurs and Cali flavour hunters. 

  • A Total of 192 Top Quality UV & IR LED Diodes
  • 3 Year Manufacturers Warranty
  • Free Next Day UK Delivery
  • Set of 2 Light Bars
  • UV for Enhanced Flavours 
  • Plug & Play Simplicity
  • Super Stealthy
  • Massively Reduced Electricity Costs
  • IR Diodes For Huge Flowers
  • Passive Cooling
  • 45w Power Output
  • Zero Noise
  • 50000 Hours Life
  • Pay As You Grow With Clearpay
  • Daily Electricity Cost £0.18


Achieve Deep Flavours 

Introducing the Mars Hydro UR45 supplemental LED Grow Light bar – a game changer in the world of horticulture.

With 192 high-quality LED diodes spread across its two bars, the Mars Hydro UR45 delivers an impressive 45W output while maintaining an extremely low electricity cost. Its UV and IR array complements any full spectrum LED Grow Light, allowing cultivators to introduce flavour and botanical enhancing spectra to their plants.

The UV output of the Mars Hydro UR45 plays a crucial role during both the vegetative and flowering phases of plant growth. When used in conjunction with a full spectrum LED Grow Light, the UV light significantly increases leaf area and light interception, leading to a substantial boost in plant volume and production.

Once the plants enter the flowering phase, the UV spectrum stimulates resin and oil production, resulting in more flavorful and potent plants without the need for harmful chemicals or additives. The increased biomass induced by the Mars Hydro UR45's UV output also enhances the nutritional quality of the plants, leading to added weight and improved overall plant health.


IR & UV Output

The Mars Hydro UR45 doesn't stop at UV – it also features an impressive array of infrared (IR) diodes. With 60 UV diodes and 36 IR diodes per bar, the UR45's deep red IR spectrum promotes stem growth and flower density. The plants absorb the rich 730-745nm array, accelerating the flowering process and allowing for bigger, stronger, and heavier buds within a shorter time frame. This not only increases overall yield but also reduces flowering times, resulting in lower electricity costs for the grower. The Mars Hydro UR45 pays for itself quickly with its efficiency and performance.


Switchable Spectrums

What sets the Mars Hydro UR45 apart is its switchable IR and UV control, giving growers the freedom to select either UV, IR, or both spectra simultaneously based on their plants' specific needs. This feature enables growers to experiment and develop flavors in ways that were previously impossible, pushing the boundaries of what is achievable with their plants. The Mars Hydro UR45 empowers cultivators to have full control and truly optimize their growing experience.

The Mars Hydro UR45 is designed for ease of use, coming with everything you need in the package. Complete with hanging brackets, it is highly versatile and can be seamlessly integrated with any LED Grow Light solution.


Unbeatable Price. Unbeatable Results

In summary, the Mars Hydro UR45 is an essential tool for flavour hunters and growers who want full control over their plants' development. No longer reliant on chemical boosters and flavour enhancers, the Mars Hydro UR45 harnesses the power of light spectra to enhance flavour profiles and stimulate botanical production. With its unbeatable price and remarkable performance, the Mars Hydro UR45 is a must-have LED Grow Light recommended by our experts.

Like all Mars Hydro products, the UR45 is shipped in discreet plain packaging, ensuring a stealthy delivery. It is ready to use out of the box in just a few minutes, providing growers with a hassle-free and effective solution for achieving beautiful, resin-rich plants with noticeable effects. Experience the Mars Hydro UR45 and witness the remarkable influence it has on the quality and yield of your harvest.

An essential for any cultivator that is serious about producing quality herbs and flowers that stand out amongst the rest. A must have for all soil, hydroponic and indoor growers.


Note - UV & IR light can be damaging to eyesight. Do not look directly at the light and always use eye protection. 

Mars Hydro UR45 UV & IR LED Grow Light 



Input Voltage



0.9 kg

HPS Equivalent N/A

Flower Footprint

1.2m x 1.2m 

Veg Footprint 1.5m x 1.5m


Bridgelux & Osram IR

Diode Count 192


108cm x 4cm x 3cm


384-410nm, 730-740nm,  



Daily Electricity Cost £0.18

    Product includes:

    • Mars Hydro UR45 LED Grow Light
    • Power Cord
    • Power Supply
    • IR / UV Toggle Switch
    • Wire Hangers

    Approximate costs of use based on 100% power for a 12 / 12 flowering cycle. 

    *Calculated using the UK: Energy Price Guarantee (October 2022) electricity rate of 34.00 pence per kWh.

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