While LED grow lights have changed the way indoor growers grow plants and simplified life to a great extent, they aren’t the same. This is why we always recommend looking at the specifications before buying a light. Today, we review 6 lights by giants in the LED grow light industry: VIPARSPECTRA and Mars Hydro. These lights range in wattage and are ideal for different growing needs. Follow our recommendations and you won’t experience buyer’s remorse.

Pro Tip: if you want your plants to produce high yields, pair one of the lights we’ve recommended with an awesome grow tent.

VIPARSPECTRA P1000 Full Spectrum LED Grow Light for Indoor Plants VS MARS HYDRO TS 1000W

When two lights have similar features like the VIPARSPECTRA P1000 Grow Light and the MARS HYDRO TS 1000W  light, it can be hard to pick the best. But since we must choose a winner, we have to say we love the VIPARSPECTRA light. Why? It has a better coverage (2’ x 2’ at 24”) and a much lower cost per watt ($0.57). Yes, it has a higher power draw, but it replaces a 250W HID/HPS system, unlike the Mars Hydro light which substitutes a 150W HID/HPS system.

Grow Light, VIPARSPECTRA Newest P1000 Full Spectrum LED Grow Light for Indoor Plants, High PPFD Dimmable Plant Grow Lights 2x2ft Coverage for Hydroponic Indoor Plants Veg Flower
Price: $99.99
  • Sales Rank is 46
  • Department: Lawn & Patio
  • Weight:

Main Features
  • HIGH EFFICIENCY & DIMMER FUNCTION: VIPARSPECTRA P1000 LED grow light has adopted the newest SMD LED Technology to provide high PAR output, high energy efficiency and long lifespan while improving light penetration. An added dimmer knob is featured to manipulate the brightness level of the light, allowing flexibility to obtain perfect growth performance for each growing phase.
  • OPTIMAL FULL SPECTRUM LIGHT For INDOOR PLANT: Consists of 660nm of red light, 3000K and 5000K of the white light spectrum, provides plants in all stages from veg to flower with everything they need in the natural sunlight. Achieve greater yield while saving you on energy costs!
  • SLEEP-FRIENDLY GROW LIGHT: Silent fanless design. No fans  ZERO noise. Built-in large areas of solid aluminum heat sinks, essential for heat dissipation while ensuring long lifespan of the light.
  • LOW ENERGY CONSUMPTION GROW LIGHTING: Comparable to traditional 250W HPS/MH while consuming only 100W! Perfect for 2.5’x2.5’ vegetative coverage at 18”and 2’x2’ flowering coverage at 14”. Remember to properly adjust the height and brightness accordingly to your plants desired level for optimal growth.
  • WORRY-FREE WARRANTY: Plug and Play. No installation required. Product quality and friendly customer service are always our top priority. We offer worry-free 36-month local warranty and professional guidance to help you and your plants grow better.
MARS HYDRO TS 1000W Led Grow Light 3x3ft Daisy Chain Dimmable Full Spectrum LED Growing Lights for Indoor Plants Greenhouse Veg Bloom Light with 342 LEDs Hydroponic Growing Lamps Actual Power 150Watt
Price: $118.99
You save: $21.00 (15%) (15 %)
  • Sales Rank is 3
  • Department: Lawn & Patio
  • Weight:

Main Features
  • HIGH EFFICIENCY WHITE LED LIGHT: Newest SMD LED technology provide highest PAR/LUMEN output([email protected]"), designed to replace a single-ended 250watt HPS; MARS HYDRO TS 1000W Plants Growing lamp makes you get 30% higher yield compare OLD blurple led lights, Max 2.0g yield per wattage (power draw).
  • LOW ENERGY CONSUMPTION GROW LIGHTING : Consuming only 150W with 342 LEDS! It saves up to 50% energy than other quantum board led grow lights. Perfect for 2.5x2.5ft,Max coverage 3x3ft. Over 90% light energy can be absorbed by plants; higher intensity and more even coverage in a MARS HYDRO grow tent, reflective area, or by crossing over using multiple TS1000
  • SUNLIKE FULL SPECTRUM LED INDOOR GROWING: 660-665nm Red IR/3200-4200Knm/5200-6800Knm, infinite close to natural light, best for all plants all stages growing, rapid plant response from seed to flower and increase yield & crop quality‎
  • HIGH REFLECTIVE & NOISE FREE-Fanless Professional LED GROW SYSTEM design will make your growing life easy and quiet, quickly heat dispersing material aluminum reducing light lost to aisles and walls, increase the light intensity up to 20%, allowing your plants receive more energy and without burning your plants for maximum headroom
  • UPGRADED COMMERCIAL LED GROW LIGHT, easy dimming & daisy chain function, up to 15 multi-lights connected, convenient main light controlled; Auto sensing power supply works on both 120VAC and 240VAC and 277VAC, suit for Large Rooms and Commercial Setups

VIPARSPECTRA P2000  VS  Mars Hydro TS2000

If you want a light that provides coverage for 4 plants, it’s the VIPARSPECTRAPAR P2000 LED Grow Light. At 24 inches, it provides a coverage of 4 x 4′, which is much more than the coverage provided by the Mars Hydro light (3.5′ x 2′ at 18 inches).The VIPARSPECTRA light may cost you more for each watt it consumes, but it can substitute a 600W HPS/MH lamp while the Mars Hydro light only replaces a 300W HPS/MH lamp.

Grow Light, VIPARSPECTRA Newest P2000 LED Grow Light 4x2ft Coverage Full Spectrum LED Grow Lights with Upgraded SMD LEDs(Includes IR), Dimmable Plant Light for Indoor Plants Seeding Veg and Bloom
Price: $198.99
  • Sales Rank is 46
  • Department: Lawn & Patio
  • Weight:

Main Features
  • HIGH EFFICIENCY & DIMMER FUNCTION: VIPARSPECTRA P2000 LED grow light has adopted the newest SMD LED Technology to provide high PAR output, high energy efficiency and long lifespan while improving light penetration. An added dimmer knob is featured to manipulate the brightness level of the entire light, allowing flexibility to obtain perfect growth performance for each growing phase.
  • FULL SPECTRUM LIGHT For INDOOR PLANTS: Consists of 660nm of red light, IR, 3000K and 5000K of the white light spectrum, provides plants in all stages from veg to flower with everything they need in the natural sunlight. Achieve greater yield while saving you on energy costs!
  • SLEEP-FRIENDLY GROW LIGHT: Silent fanless design. No fans zero noise. Built-in large areas of solid aluminum heat sinks, essential for heat dissipation while ensuring long lifespan of the light.
  • COVERAGE AREA: Comparable to traditional 500W HPS/MH while consuming only 200W! Perfect for 4’x3’ vegetative coverage at 24” and 4’x2’ flowering coverage at 20”. Remember to properly adjust the height and brightness accordingly to your plants desired level for optimal growth.
  • WORRY-FREE WARRANTY: Plug and Play. No installation required. Product quality and friendly customer service are always our top priority. We offer worry-free 36-month local warranty and professional guidance to help you and your plants grow better.
MARS HYDRO TSW 2000W Led Grow Light 3x3 4x4ft Coverage Full Spectrum Growing Lamps for Indoor Plants Daisy Chain Dimmable Veg Bloom Light for Hydroponics Greenhouse Indoor LED Grow with 684pcs LEDs
Price: $269.99
  • Sales Rank is 44
  • Department: Lawn & Patio
  • Weight:

Main Features
  • UPGRADED COMMERCIAL LED GROW LIGHT, easy dimming & daisy chain function, up to 15 multi-lights connected, convenient main light controlled; 2 auto sensing power supply works on both 120VAC and 240VAC and 277VAC, suit for Large Rooms and Commercial Setups
  • INCREASE YIELD AND CROP QUALITY WITH LED GROW: NEWEST SMD LED technology provide highest PAR/LUMEN output([email protected]"),make you get 30% higher yield compare OLD blurple led lights; Max 2.0g yield per wattage (power draw), achieve maximum quality and quantity, much better than traditional HPS grow systems
  • LOW ENERGY CONSUMPTION LED GROW LIGHT: Consuming only 300W true output with 684 LEDS! It saves up to 50% energy than other led grow lights. Perfect for 3.5x3.5ft bloom stage, 4x4ft veg stage. Over 90% light energy can be absorbed by plants, higher intensity in a MARS HYDRO grow tent, reflective area, or by crossing over using multiple TSW2000
  • HIGH EFFICIENCY FULL SPECTRUM INDOOR GROW: 3000K 5000K and IR 660nm 760nm RED, infinite close to natural light, highly engineered to provide improved growing performance for plants all stages growing, rapid plant response from seed to flower; Uniform and wide-beam light distribution for your plant's optimal growth
  • NOISE-FREE FANLESS LED GROW LAMPS FOR INDOOR PLANTS, Will make your indoor plant growing easy and quiet, quickly heat dispersing material aluminum reducing light lost to aisles and walls, increase the light intensity up to 20%, allowing your plants receive more energy and without burning your plants for maximum headroom

VIPARSPECTRA Reflector-Series 900W  VS  Marshydro Reflector 960W

The last lights we’re pitting against each other don’t discharge the same number of watts, but they both come with a lengthy warranty. But this time around, our favorite is the Mars Hydro light because it can illuminate a 4’ x 4′ grow tent at 18″. While it has a higher price per watt than its counterpart, it uses 192 intense 5W Epistar LEDs while the VIPARSPECTRA light uses 180 5W LEDS.

VIPARSPECTRA Reflector-Series 900W LED Grow Light Full Spectrum
Price: --
  • Sales Rank is 18
  • Department: Lawn & Patio
  • Weight:
  • Watt - 900
  • Lifespan - 100000
  • Area - 4x4’ veg. coverage at 32"
  • Warranty - 3 years
  • Avg. power draw - 418
  • USD per Watt -
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  • HID Replacement - 1000 watt HPS/MH
  • Noise - 55
  • LED pieces/watt - 180pcs / 5W

Main Features
  • VIPARSPECTRA Reflector Series V900 LED Grow Light is scientifically engineered to keep the balance of the PAR Output and Coverage.
  • Optimal Spectrum: The secret to VIPARSPECTRA’s success is optimal full spectrum lighting which provides plants in all stages from veg to flower with everything they need in the natural sunlight. This results in bigger buds and higher yield all while saving you on energy costs.
  • Outstanding Design: Sturdy durable construction with fire-resistant iron housing. Dimmbale feature allows precise spectral control and suitable for each growing phase. Upgraded aluminum cooling heat sinks and advanced high speed quiet fans are great for heat dissipation.
  • Coverage Area: Comparable to traditional 600 watt HPS/MH while consuming only 390 watts! Perfect for a 4x4’ vegetative coverage at 32” while 3x3’ flowering coverage at 24”.
  • Hassle-Free Warranty: All LED grow lights purchased from VIPARSPECTRA come with hassle-free 3 years US local warranty and 30 days satisfaction or return guarantee. Because you need a partner you can trust, who will support you through the years.
Marshydro Reflector 960W LED Grow Light Full Spectrum Grow Light
Price: --
  • Sales Rank is 330
  • Department: Lawn & Patio
  • Weight:
  • Watt - 960
  • Lifespan - 50000
  • Area - 4 x 4' at 18"
  • Warranty - 3 years
  • Avg. power draw - 420
  • USD per Watt - 0
  • HID Replacement - 1000 watt HPS/MH
  • Noise - 59
  • LED pieces/watt - 192pcs / 5W Epistar

Main Features
  • Booming Light for Growing: switch between grow/bloom mode, provides full spectrum for vegetables, flowers and aquatic plants. Take care of all stages of plants’ growing by using different types of natural sunlight.
  • ENERGY-SAVING: Unique design of reflecting blades enable 960W MarsHydro lights to generate lighting beams that are same efficacious as traditional 1200-1300W HPS/HID lights.
  • SAFE-USE: plug in and turn on. With the design of separate integrated circuit board and heat sink, damage of one component will not cause fatal problem to the whole set. The high speed heat dissipating fans work efficiently to cool down the Lights and make no noise.
  • REFLECTOR-SERIES:reflector LED grow light idea choice for small growers,greenhouse & vegetables lover,960W light Perfect for Auto flower system 4'x 4'coverage for all seedling,growth and flowering stages.
  • Satisfaction Guarantee: 3 years authentic warranty with the support of service center in California.30 days money back without reason if light had any problem. Any others question contact to us ,8 working hours reply service.