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Aquarium Lighting is one of the most important parts of a successful reef aquarium or planted freshwater tank. It is also amongst the most confusing and misunderstood of all aquarium supplies and equipment. Please give us a call if you need help selecting an appropriate lighting setup for your system. Here you'll find LED aquarium lights, metal halide aquarium lights, specialty products like moonlight aquarium lights independent lighting components like ballasts and reflectors, and lighting systems and timers.

At AquaCave, we offer some of the best selection and best prices on Aquarium Lighting, Reef Lighting, LED, T5, Metal Halide, Planted, and refugium lighting for your marine, reef, and freshwater aquarium.

  • Red Sea ReefLED 90 Pendant for 49"-60" - BLACK Red Sea ReefLED 90 Pendant for 49"-60" - BLACK Red Sea ReefLED 90 Pendant for 49"-60" - BLACK

    Red Sea

    Red Sea ReefLED 90 Pendant for 49"-60" - BLACK

    Red Sea ReefLED 90 Pendant for 49"-60" - BLACK Reef LED Pendants for multiple ReefLED units are available in either black or white trim for an elegant look above regular and peninsula tanks. Available in 4 models that are suitable for tank lengths from...

    $239.00
  • Red Sea ReefLED 90 Pendant for 49"-60" - WHITE Red Sea ReefLED 90 Pendant for 49"-60" - WHITE Red Sea ReefLED 90 Pendant for 49"-60" - WHITE

    Red Sea

    Red Sea ReefLED 90 Pendant for 49"-60" - WHITE

    Red Sea ReefLED 90 Pendant for 49"-60" - WHITE Reef LED Pendants for multiple ReefLED units are available in either black or white trim for an elegant look above regular and peninsula tanks. Available in 4 models that are suitable for tank lengths from...

    $239.00
  • Fluval Plant 3.0 LED Fixture 46W, 36"-48" Fluval Plant 3.0 LED Fixture 46W, 36"-48" Fluval Plant 3.0 LED Fixture 46W, 36"-48"

    Fluval

    Fluval Plant 3.0 LED Fixture 46W, 36"-48"

    Fluval Plant 3.0 LED Fixture 46W, 36"-48" Maintain a thriving live plant aquarium with the help of the variety of customizable options of the Fluval Fresh & Plant 3.0 LED Light Fixture 36-48". This light is controlled with free FluvalSmart App and...

    $229.99
  • Seneye Reef Monitor Seneye Reef Monitor Seneye Reef Monitor Seneye Reef Monitor Seneye Reef Monitor

    Seneye

    Seneye Reef Monitor

    Seneye Reef Pack with Dri Box and WiFi Web Server Are your corals not as vibrant as you expect? Have you ever had an aquarium crash unexpectedly? Now with the seneye Reef you can continuously monitor and analyze key life-critical parameters in your...

    $219.00
  • Red Sea ReefLED 50 Red Sea ReefLED 50 Red Sea ReefLED 50 Red Sea ReefLED 50

    Red Sea

    Red Sea ReefLED 50

    Red Sea ReefLED 50 SMART - SAFE - EFFICIENT Years of research and testing are behind Red Sea’s ReefLED™ smart reef lighting system. These lights have been designed to ensure optimal coral growth and dramatic coloration, while creating a...

    Was: $249.00
    Now: $211.65
  •  Red Sea ReefLED 90 Pendant for 39"-48" - WHITE  Red Sea ReefLED 90 Pendant for 39"-48" - WHITE  Red Sea ReefLED 90 Pendant for 39"-48" - WHITE

    Red Sea

    Red Sea ReefLED 90 Pendant for 39"-48" - WHITE

     Red Sea ReefLED 90 Pendant for 39"-48" - WHITE Reef LED Pendants for multiple ReefLED units are available in either black or white trim for an elegant look above regular and peninsula tanks. Available in 4 models that are suitable for tank lengths...

    $209.00
  • Red Sea ReefLED 90 Pendant for 39"-48" - BLACK Red Sea ReefLED 90 Pendant for 39"-48" - BLACK Red Sea ReefLED 90 Pendant for 39"-48" - BLACK

    Red Sea

    Red Sea ReefLED 90 Pendant for 39"-48" - BLACK

    Red Sea ReefLED 90 Pendant for 39"-48" - BLACK Reef LED Pendants for multiple ReefLED units are available in either black or white trim for an elegant look above regular and peninsula tanks. Available in 4 models that are suitable for tank lengths from...

    $209.00
  • Fluval Plant 3.0 LED Fixture 32W, 24"-34" Fluval Plant 3.0 LED Fixture 32W, 24"-34" Fluval Plant 3.0 LED Fixture 32W, 24"-34" Fluval Plant 3.0 LED Fixture 32W, 24"-34"

    Fluval

    Fluval Plant 3.0 LED Fixture 32W, 24"-34"

    Fluval Plant 3.0 LED Fixture 32W, 24"-34" Maintain a thriving live plant aquarium with the help of the variety of customizable options of the Fluval Fresh & Plant 3.0 LED Light Fixture 24-34". This light is controlled with free FluvalSmart App and...

    $199.99
  • Fluval Sea Marine 3.0 LED Fixture 32W, 24"-34" Fluval Sea Marine 3.0 LED Fixture 32W, 24"-34" Fluval Sea Marine 3.0 LED Fixture 32W, 24"-34" Fluval Sea Marine 3.0 LED Fixture 32W, 24"-34"

    Fluval

    Fluval Sea Marine 3.0 LED Fixture 32W, 24"-34"

    Fluval Sea Marine 3.0 LED Fixture 32W, 24"-34" Maintain a thriving saltwater aquarium with the Fluval Sea Marine & Reef 3.0 LED Light Fixture 24-34", featuring free FluvalSmart App technology (using Bluetooth). The programmable, gradual 24-hour...

    $199.99
  • Red Sea ReefLED 90 Pendant for 30"-39" - BLACK Red Sea ReefLED 90 Pendant for 30"-39" - BLACK Red Sea ReefLED 90 Pendant for 30"-39" - BLACK

    Red Sea

    Red Sea ReefLED 90 Pendant for 30"-39" - BLACK

    Red Sea ReefLED 90 Pendant for 30"-39" - BLACK Reef LED Pendants for multiple ReefLED units are available in either black or white trim for an elegant look above regular and peninsula tanks. Available in 4 models that are suitable for tank lengths from...

    $189.00
  • Red Sea ReefLED 90 Pendant for 30"-39" - WHITE Red Sea ReefLED 90 Pendant for 30"-39" - WHITE Red Sea ReefLED 90 Pendant for 30"-39" - WHITE Red Sea ReefLED 90 Pendant for 30"-39" - WHITE Red Sea ReefLED 90 Pendant for 30"-39" - WHITE

    Red Sea

    Red Sea ReefLED 90 Pendant for 30"-39" - WHITE

    Red Sea ReefLED 90 Pendant for 30"-39" - WHITE Reef LED Pendants for multiple ReefLED units are available in either black or white trim for an elegant look above regular and peninsula tanks. Available in 4 models that are suitable for tank lengths from...

    $189.00
  • AquaIllumination Blade Coral Glow 12" Smart Strip LED Light AquaIllumination Blade Coral Glow 12" Smart Strip LED Light AquaIllumination Blade Coral Glow 12" Smart Strip LED Light AquaIllumination Blade Coral Glow 12" Smart Strip LED Light

    Aqua Illuminations

    AquaIllumination Blade Coral Glow 12" Smart Strip LED Light

    AquaIllumination Blade Coral Glow 66" Smart Strip LED Light The Blade Glow will fluoresce your tank and help your corals “pop”. Coral Glow features a LED mix that maximizes spectral peaks that showcase coral fluorescence. Ideal as a supplemental source...

    $186.99
  • AquaIllumination Blade Refugium 12" Smart Strip LED Light AquaIllumination Blade Refugium 12" Smart Strip LED Light AquaIllumination Blade Refugium 12" Smart Strip LED Light AquaIllumination Blade Refugium 12" Smart Strip LED Light

    Aqua Illuminations

    AquaIllumination Blade Refugium 12" Smart Strip LED Light

    AquaIllumination Blade Refugium 12" Smart Strip LED Light The Blade Refugium is a macroalgae-growing machine. Silent, sealed, and easily mountable take your biological filtration to the next level with a refugium powered by AI. What’s in the Box AI...

    $164.99
  • Dymax Freshwater 48W LED Light Dymax Freshwater 48W LED Light Dymax Freshwater 48W LED Light Dymax Freshwater 48W LED Light Dymax Freshwater 48W LED Light

    Dymax

    Dymax Freshwater 48W LED Light

    Dymax Freshwater 48W LED Light The Dymax SpaceX LED lights for freshwater aquariums are designed to support plant growth and color vibrancy with a full spectrum of lighting from multiple LED sources. Fauna LED Light for Optimal Plant Growth The Dymax...

    $159.99
  • Dymax Marine 48W LED Light Dymax Marine 48W LED Light Dymax Marine 48W LED Light Dymax Marine 48W LED Light Dymax Marine 48W LED Light

    Dymax

    Dymax Marine 48W LED Light

    Dymax Marine 48W LED Light The Dymax ED Lighting for marine aquariums promotes coral growth and photosynthetic activity with even light distribution. Reef LED Light for Optimal Coral Growth The Dymax LED Lighting is created to offer an ideal blend of...

    $159.99
  • Fluval Aquasky LED with Bluetooth - 35W (48″-60") Fluval Aquasky LED with Bluetooth - 35W (48″-60")

    Fluval

    Fluval Aquasky LED with Bluetooth - 35W (48″-60")

    Fluval Aquasky LED with Bluetooth - 35 W. (48″-60") Operated exclusively via the FluvalSmart App on your mobile device, Aquasky allows you to control the light output of red, green blue and super bright 6500K white LEDs for infinite color blends...

    $159.99
  • Fluval Sea Marine 3.0 LED Fixture 22W, 15"-24" Fluval Sea Marine 3.0 LED Fixture 22W, 15"-24" Fluval Sea Marine 3.0 LED Fixture 22W, 15"-24"

    Fluval

    Fluval Sea Marine 3.0 LED Fixture 22W, 15"-24"

    Fluval Sea Marine 3.0 LED Fixture 22W, 15"-24" Make a splash in the world of saltwater aquariums with the Fluval Marine 3.0 Spectrum LED Aquarium Light! Designed for avid hobbyists who want to keep their aquatic friends thriving, this light is a...

    $158.99
  • Neptune GRO Refugium Light with Flat Bracket Mount Neptune GRO Refugium Light with Flat Bracket Mount Neptune GRO Refugium Light with Flat Bracket Mount

    Neptune Systems

    Neptune GRO Refugium Light with Flat Bracket Mount

    Neptune GRO Refugium Light with Flat Bracket Mount GRO Refugium Light Get Started Guide In this Get Started Guide we’ll show how to install and then configure the Neptune Systems GRO Refugium Light. The GRO Refugium Light kit includes the GRO Light...

    $154.99
  • Neptune GRO Refugium Light with Pipe Mount Neptune GRO Refugium Light with Pipe Mount Neptune GRO Refugium Light with Pipe Mount

    Neptune Systems

    Neptune GRO Refugium Light with Pipe Mount

    Neptune GRO Refugium Light with Pipe Mount GRO Refugium Light Get Started Guide In this Get Started Guide we’ll show how to install and then configure the Neptune Systems GRO Refugium Light. The GRO Refugium Light kit includes the GRO Light with the...

    $154.99
  • EcoTech Set of 2 RMS Arms EcoTech Set of 2 RMS Arms EcoTech Set of 2 RMS Arms EcoTech Set of 2 RMS Arms EcoTech Set of 2 RMS Arms

    EcoTech Marine

    EcoTech Set of 2 RMS Arms

    EcoTech Set of 2 RMS Arms Multi Light RMS The multi-light RMS offers a customizable multi light mount solution for Radion XR30 and Radion XR15 lights. The multi-light RMS system features. Built-in cable management Compatible with...

    $151.59
  • Fluval Plant 3.0 LED Fixture 22W, 15"-24" Fluval Plant 3.0 LED Fixture 22W, 15"-24" Fluval Plant 3.0 LED Fixture 22W, 15"-24" Fluval Plant 3.0 LED Fixture 22W, 15"-24" Fluval Plant 3.0 LED Fixture 22W, 15"-24"

    Fluval

    Fluval Plant 3.0 LED Fixture 22W, 15"-24"

    Fluval Plant 3.0 LED Fixture 22W, 15"-24" DESCRIPTION The Fluval Plant 3.0 Bluetooth LED is designed for hobbyists who want to maintain a thriving live plant aquarium. This LED features free Fluval SmartApp technology, and the light offers a variety of...

    $149.99
  • Philips CoralCare Gen 2 Controller Philips CoralCare Gen 2 Controller

    Philips CoralCare Gen 2 Controller

    Philips CoralCare Gen 2 Controller Control your CoralCare LED fixture Gen2 easily and wirelessly or with PC, with control over two distinct lighting channels, and preprogrammed schedules. Moreover, it is also compatible with CoralCare LED fixtures of...

    $149.99
  • 60" 2x80W Miro-4 T5 Retrofit Kit 60" 2x80W Miro-4 T5 Retrofit Kit

    LET Lighting

    60" 2x80W Miro-4 T5 Retrofit Kit

    60" 2x80W Miro-4 T5 Retrofit KitEverything you'll need is in the box Moisture-proof caps High-ouput ballast High polished aluminum Miro-4 Reflectors Comes with easy to follow directions Great customer support LET Lighting kits are backed by a 1 year...

    $149.95
  •  48" 2x54W Dimmable MIRO T5 Retrofit Kit  48" 2x54W Dimmable MIRO T5 Retrofit Kit

    LET Lighting

    48" 2x54W Dimmable MIRO T5 Retrofit Kit

    48" 2x54W Dimmable MIRO T5 Retrofit Kit Get the perfect kit every time.  Control the intensity of T5 bulbs from 0-10v input. Sold as two bulb kits.  Mix + match sizes. Use two bulbs in one size and two bulbs in another. The combinations are...

    $144.95
  • OPEN BOX - Neptune GRO Refugium Light with Pipe Mount OPEN BOX - Neptune GRO Refugium Light with Pipe Mount OPEN BOX - Neptune GRO Refugium Light with Pipe Mount

    Neptune Systems

    OPEN BOX - Neptune GRO Refugium Light with Pipe Mount

    OPEN BOX - Neptune GRO Refugium Light with Pipe Mount * NOTES: Open Box (broken box seal)/ Brand New with full manufacturer's warranty GRO Refugium Light Get Started Guide In this Get Started Guide we’ll show how to install and then configure the...

    Was: $154.99
    Now: $139.49
  •  Kessil A80 Tuna Blue LED  Kessil A80 Tuna Blue LED  Kessil A80 Tuna Blue LED  Kessil A80 Tuna Blue LED  Kessil A80 Tuna Blue LED

    Kessil

    Kessil A80 Tuna Blue LED

    Kessil A80 TUNA Blue, Controllable LED Aquarium Light Design Innovative heat dissipation allows for fanless, low maintenance, shell-shaped design. Advanced optics create smooth color mixing and a beautiful shimmer. Dense Matrix LED Array Our unique,...

    $139.00
  •  Kessil H80 Tuna Flora LED  Kessil H80 Tuna Flora LED  Kessil H80 Tuna Flora LED

    Kessil

    Kessil H80 Tuna Flora LED

    Kessil H80 Tuna Flora LED Grow Light Kessil Lighting, a leading manufacturer of LED horticulture lighting, is proud to announce the release of the groundbreaking Tuna Flora line. Together, the H80 Tuna...

    $139.00
  • Aquatic Life Floating Suspension - Black Aquatic Life Floating Suspension - Black

    Aquatic Life

    Aquatic Life Floating Suspension - Black

    Aquatic Life Floating Suspension - BlacK This AquaticLife Floating Suspension Kit for Hybrid Fixtures, Black (Pair), is designed to mount on the wall behind your aquarium and make it easy to hang your light fixture over the aquarium. Compatible...

    $134.99
  • Aquatic Life Floating Suspension - White

    Aquatic Life

    Aquatic Life Floating Suspension - White

    Aquatic Life Floating Suspension - White This AquaticLife Floating Suspension Kit for Hybrid Fixtures, White (Pair), is designed to mount on the wall behind your aquarium and make it easy to hang your light fixture over the aquarium. Compatible light...

    $134.99
  • Fluval Aquasky LED with Bluetooth - 27W (36″-48") Fluval Aquasky LED with Bluetooth - 27W (36″-48")

    Fluval

    Fluval Aquasky LED with Bluetooth - 27W (36″-48")

    Fluval Aquasky LED with Bluetooth - 27 W. (36″-48") Operated exclusively via the FluvalSmart App on your mobile device, Aquasky allows you to control the light output of red, green blue and super bright 6500K white LEDs for infinite color blends...

    $134.99
  • Milwaukee MW700 PRO Lux (Light) Meter Milwaukee MW700 PRO Lux (Light) Meter Milwaukee MW700 PRO Lux (Light) Meter Milwaukee MW700 PRO Lux (Light) Meter

    Milwaukee Instruments

    Milwaukee MW700 PRO Lux (Light) Meter

    Milwaukee MW700 PRO Lux (Light) Meter DESCRIPTION The MW700 is a portable Lux meter designed to perform light measurements from 0 to 50000 Lux. This handy and ergonomically designed Lux meter is ideal for anyone looking for fast and reliable...

    $132.70
  • ReefBreeders Meridian BOT Mount - Set of 2 Arms ReefBreeders Meridian BOT Mount - Set of 2 Arms

    ReefBreeders

    ReefBreeders Meridian BOT Mount - Set of 2 Arms

    ReefBreeders Meridian BOT Mount - Set of 2 Arms Back of tank mount designed for the Meridian and Meridian Edge. Compatible with most large, quality built euro-brace tanks. Please ensure that the section of Euro-bracing you mount to is strong enough to...

    $130.00
  • 24" 2x24W Dimmable MIRO T5 Retrofit Kit 24" 2x24W Dimmable MIRO T5 Retrofit Kit

    LET Lighting

    24" 2x24W Dimmable MIRO T5 Retrofit Kit

    24" 2x24W Dimmable MIRO T5 Retrofit Kit Get the perfect kit every time.  Control the intensity of T5 bulbs from 0-10v input. Sold as two bulb kits. Mix + match sizes. Use two bulbs in one size and two bulbs in another. The combinations are...

    $129.95
  • 36" 2x39W Dimmable MIRO T5 Retrofit Kit 36" 2x39W Dimmable MIRO T5 Retrofit Kit

    LET Lighting

    36" 2x39W Dimmable MIRO T5 Retrofit Kit

    36" 2x39W Dimmable MIRO T5 Retrofit Kit Get the perfect kit every time.  Control the intensity of T5 bulbs from 0-10v input. Sold as two bulb kits.  Mix + match sizes. Use two bulbs in one size and two bulbs in another. The combinations are...

    $129.95
  • Innovative Marine Skkye Light Strip 36", 14,000K Innovative Marine Skkye Light Strip 36", 14,000K Innovative Marine Skkye Light Strip 36", 14,000K

    Innovative Marine Skkye Light Strip 36", 14,000K

    Innovative Marine Skkye Light Strip 36", 14,000K ILLUMINATING THE MASSES We invite you to JOIN the LED revolution that is fast becoming the leader for aquatic lighting. SKKYELIGHT single strips are the AFFORDABLE turnkey solution for fresh &...

    Was: $213.00
    Now: $127.80
  • Fluval Marine Nano LED w/Bluetooth 20W Fluval Marine Nano LED w/Bluetooth 20W

    Fluval

    Fluval Marine Nano LED w/Bluetooth 20W

    Fluval Marine Nano LED w/Bluetooth 20W Operated exclusively via the FluvalSmart App on your mobile device, Marine Nano LED is designed to help you grow brighter, more robust corals in a small saltwater aquarium.     Programmable, gradual 24-hour...

    $119.99
  • Tunze Aquawind Eco Chic Fan Tunze Aquawind Eco Chic Fan Tunze Aquawind Eco Chic Fan Tunze Aquawind Eco Chic Fan

    Tunze

    Tunze Aquawind Eco Chic Fan

    Tunze Aquawind Eco Chic The TUNZE® Aquawind eco-chic 7028.500 is a very low-noise aquarium ventilator provided with 12 V safety low voltage and it is easy to install on the edge of aquariums with a glass thickness of 0 up to 22 mm (0” - 0.866”). The...

    $119.99
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