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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.

  • 48" 2x54W Miro-4 T5 Retrofit Kit 48" 2x54W Miro-4 T5 Retrofit Kit

    LET Lighting

    48" 2x54W Miro-4 T5 Retrofit Kit

    48" 2x54W 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...

    $109.95
  •  Kessil Spectral Controller X   Kessil Spectral Controller X   Kessil Spectral Controller X   Kessil Spectral Controller X   Kessil Spectral Controller X

    Kessil

    Kessil Spectral Controller X

    Kessil Spectral Controller X Intuitive and Affordable Light Control Equipped with flawless touch control and a vivid color display, the Spectral Controller  is effortless light control at the touch of your fingertips. Its straightforward approach to...

    $109.00
  • Dalua Illumagic Mounting Rails, 72 Inch

    DALUA

    Dalua Illumagic Mounting Rails, 72 Inch

    Dalua Illumagic Mounting Rails, 72 Inch The Dalua Illumagic Mounting Rails provide a strong and versatile foundation for mounting X4 and Pixel LED Light fixtures. Available in multiple sizes, these high-quality aluminum rails are designed for seamless...

    $109.00
  • Dalua Illumagic X4 Rear Mounting Arm

    DALUA

    Dalua Illumagic X4 Rear Mounting Arm

    Dalua Illumagic X4 Rear Mounting Arm The Dalua Illumagic Rear Mounting Arm is a heavy-duty, adjustable mounting solution for securing an X4 LED light fixture to the back of an aquarium. Crafted from sturdy, no-bend, midnight black aluminum, this...

    $109.00
  • Kessil AP9X Mounting Arm Kessil AP9X Mounting Arm

    Kessil

    Kessil AP9X Mounting Arm

    Kessil AP9X Mounting Arm Single Arm Mount The new AP9 Mounting Arm allows the fixture to be mounted with a single arm - the most light spread from a single arm mount fixture on the market. The integrated swivel joint allows 60 degrees of vertical...

    $109.00
  • Kessil WiFi Dongle for the A360X Kessil WiFi Dongle for the A360X Kessil WiFi Dongle for the A360X

    Kessil

    Kessil WiFi Dongle for the A360X

    Kessil WiFi Dongle for the A360X Unlock Wireless Connectivity with the NEW WiFi Dongle Introducing the Kessil WiFi Dongle — a simple, reliable wireless networking accessory for the best-in-class A360X aquarium LED light. The WiFi Dongle...

    $109.00
  • Finnex Planted+ 24/7 HLC - 30" Aquarium LED Light Finnex Planted+ 24/7 HLC - 30" Aquarium LED Light Finnex Planted+ 24/7 HLC - 30" Aquarium LED Light Finnex Planted+ 24/7 HLC - 30" Aquarium LED Light

    Finnex

    Finnex Planted+ 24/7 HLC - 30" Aquarium LED Light

    Finnex Planted+ 24/7 HLC - 30" Aquarium LED Light 24/7 CC Mode: Fully Customizable Sunrise & Sunset Razor thin eye CATCHING aluminum hood Hands Free: Simulating Fire Red Sunrise to Blue Starry Night Built in LED Sensor  The Finnex...

    $104.99
  •  AquaIllumination AI Hydra Flex Arm - 18"  AquaIllumination AI Hydra Flex Arm - 18"  AquaIllumination AI Hydra Flex Arm - 18"

    Aqua Illuminations

    AquaIllumination AI Hydra Flex Arm - 18"

    AquaIllumination AI Hydra Flex Arm - 18" AI Hydra Flex Arm 18" Works with Hydra 32 & 64 Not compatible with Hydra 26 & 52    AquaIllumination AI Hydra Flex Arm - 18" AI Hydra Flex Arm 18" Works with Hydra 32...

    $99.99
  • Tunze Eco Chic Refugium LED Tunze Eco Chic Refugium LED Tunze Eco Chic Refugium LED Tunze Eco Chic Refugium LED Tunze Eco Chic Refugium LED

    Tunze

    Tunze Eco Chic Refugium LED

    Tunze Eco Chic Refugium LED TUNZE® LED eco chic refugium 8831 for algae cultivation in marine refuges or plant growth in fresh water basins combines both attributes "eco" and "chic" into a highly effective, perfectly-designed aquarium illumination at an...

    $99.99
  • Dalua Illumagic Mounting Rails, 60 Inch

    DALUA

    Dalua Illumagic Mounting Rails, 60 Inch

    Dalua Illumagic Mounting Rails, 60 Inch The Dalua Illumagic Mounting Rails provide a strong and versatile foundation for mounting X4 and Pixel LED Light fixtures. Available in multiple sizes, these high-quality aluminum rails are designed for seamless...

    $99.00
  • Dalua Illumagic Pixel Blue Spectrum Fragger LED Light Dalua Illumagic Pixel Blue Spectrum Fragger LED Light Dalua Illumagic Pixel Blue Spectrum Fragger LED Light

    DALUA

    Dalua Illumagic Pixel Blue Spectrum Fragger LED Light

    Dalua Illumagic Pixel Blue Spectrum Fragger LED Light The Dalua Illumagic Pixel Fragger LED light packs a big punch in a compact design. Featuring the innovative DBR (Diffusion by Refraction) lens technology, the Pixel Reefer ensures optimal light...

    $99.00
  • Dalua Illumagic Pixel Freshwater Aquascaper LED Light Dalua Illumagic Pixel Freshwater Aquascaper LED Light Dalua Illumagic Pixel Freshwater Aquascaper LED Light

    DALUA

    Dalua Illumagic Pixel Freshwater Aquascaper LED Light

    Dalua Illumagic Pixel Freshwater Aquascaper LED Light The Dalua Illumagic Pixel Freshwater Aquascaper LED light packs a big punch in a compact design. Featuring the innovative DBR (Diffusion by Refraction) lens technology, the Pixel Reefer ensures...

    $99.00
  • Dalua Illumagic Pixel Full Spectrum Reefer LED Light Dalua Illumagic Pixel Full Spectrum Reefer LED Light Dalua Illumagic Pixel Full Spectrum Reefer LED Light

    DALUA

    Dalua Illumagic Pixel Full Spectrum Reefer LED Light

    Dalua Illumagic Pixel Full Spectrum Reefer LED Light The Dalua Illumagic Pixel Reefer LED light packs a big punch in a compact design. Featuring the innovative DBR (Diffusion by Refraction) lens technology, the Pixel Reefer ensures optimal light...

    $99.00
  • Dalua Illumagic Pixel Refugium LED Light Dalua Illumagic Pixel Refugium LED Light Dalua Illumagic Pixel Refugium LED Light

    DALUA

    Dalua Illumagic Pixel Refugium LED Light

    Dalua Illumagic Pixel Refugium LED Light The Dalua Illumagic Pixel Refugium LED light packs a big punch in a compact design. Featuring the innovative DBR (Diffusion by Refraction) lens technology, the Pixel Reefer ensures optimal light distribution and...

    $99.00
  • Dalua Illumagic Rail Mounts (Side Legs) Dalua Illumagic Rail Mounts (Side Legs)

    DALUA

    Dalua Illumagic Rail Mounts (Side Legs)

    Dalua Illumagic Rail Mounts (Side Legs) The Dalua Rail Mount Side Legs is a sturdy and adjustable mounting solution for the X4 and Pixel LED light fixtures. Designed for use with the Dalua Mounting Rails, these side legs provide sturdy support while...

    $99.00
  • Red Sea ReefLED 170 Universal Mounting Arm Red Sea ReefLED 170 Universal Mounting Arm

    Red Sea

    Red Sea ReefLED 170 Universal Mounting Arm

    Red Sea ReefLED 170 Universal Mounting Arm ReefLED individual mounting arms attach firmly onto the rear wall of the tank and can be rotated to the upright position during reefscaping or other tank maintenance.   Set at the correct height above...

    $95.00
  • CPR Large LED Refugium Fixture 13W - 22.5" long CPR Large LED Refugium Fixture 13W - 22.5" long CPR Large LED Refugium Fixture 13W - 22.5" long CPR Large LED Refugium Fixture 13W - 22.5" long CPR Large LED Refugium Fixture 13W - 22.5" long

    CPR

    CPR Large LED Refugium Fixture 13W - 22.5" long

    CPR Large LED Refugium Fixture 13W - 22.5" long CPR LED Refugium Light, Large Designed for AquaFuge2 (large) Low power consumption Inline power switch Low profile design Reduced light leak Included stands that fit AquaFuge...

    $94.99
  • Finnex Planted+ 24/7 HLC - 24" Aquarium LED Light Finnex Planted+ 24/7 HLC - 24" Aquarium LED Light Finnex Planted+ 24/7 HLC - 24" Aquarium LED Light Finnex Planted+ 24/7 HLC - 24" Aquarium LED Light Finnex Planted+ 24/7 HLC - 24" Aquarium LED Light

    Finnex

    Finnex Planted+ 24/7 HLC - 24" Aquarium LED Light

    Finnex Planted+ 24/7 HLC - 24" Aquarium LED Light 24/7 CC Mode: Fully Customizable Sunrise & Sunset Razor thin eye CATCHING aluminum hood Hands Free: Simulating Fire Red Sunrise to Blue Starry Night Built in LED Sensor  The Finnex...

    $94.99
  • 24" 2x24W Miro-4 T5 Retrofit Kit 24" 2x24W Miro-4 T5 Retrofit Kit

    LET Lighting

    24" 2x24W Miro-4 T5 Retrofit Kit

    24’ 2x24W Miro-4 T5 Retrofit Kit Everything 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...

    $94.95
  • 36" 2x39W Miro-4 T5 Retrofit Kit 36" 2x39W Miro-4 T5 Retrofit Kit

    LET Lighting

    36" 2x39W Miro-4 T5 Retrofit Kit

    36" 2x39W 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...

    $94.95
  • AquaIllumination AI HMS Single Arm Kit AquaIllumination AI HMS Single Arm Kit AquaIllumination AI HMS Single Arm Kit AquaIllumination AI HMS Single Arm Kit AquaIllumination AI HMS Single Arm Kit

    Aqua Illuminations

    AquaIllumination AI HMS Single Arm Kit

    AquaIllumination AI HMS Single Arm Kit A complete kit for mounting a single light to your tank. The HMS Single Arm Mounting Kit is perfect for tanks that only need a single Hydra LED unit, or if you want to have multiple units without a rail running...

    $90.96
  • AI Hydra Edge 44HD Flex Arm AI Hydra Edge 44HD Flex Arm

    Aqua Illuminations

    AI Hydra Edge 44HD Flex Arm

    AI Hydra Edge 44HD Flex Arm The Easiest Way to Mount the Hydra Edge 44HD Mount your Hydra Edge 44HD with ease using the Hydra Flex Arm with Adapter. Designed specifically for the 44HD model, this mounting solution offers a sleek, adjustable arm that...

    $89.99
  • AquaIllumination AI HMS Rail - 36"

    Aqua Illuminations

    AquaIllumination AI HMS Rail - 36"

    AquaIllumination AI HMS Rail - 36" AI HMS 36" (37.5") Horizontal Rail (fixture Brackets Sold Separately) AquaIllumination AI HMS Rail - 36" AI HMS 36" (37.5") Horizontal Rail (fixture Brackets Sold Separately) Product code: 6138Item No...

    $89.99
  • Dalua Illumagic Mounting Rails, 48 Inch

    DALUA

    Dalua Illumagic Mounting Rails, 48 Inch

    Dalua Illumagic Mounting Rails, 48 Inch The Dalua Illumagic Mounting Rails provide a strong and versatile foundation for mounting X4 and Pixel LED Light fixtures. Available in multiple sizes, these high-quality aluminum rails are designed for seamless...

    $89.00
  • Dalua Illumagic Pixel Single Rear Mounting Arm

    DALUA

    Dalua Illumagic Pixel Single Rear Mounting Arm

    Dalua Illumagic Pixel Single Rear Mounting Arm The Dalua Illumagic Pixel Single Rear Mounting Arm is a robust and versatile mounting option for a single Pixel LED light fixture. Constructed from midnight black aluminum, it is super sturdy and will not...

    $89.00
  • Kessil Mounting Arm Kessil Mounting Arm Kessil Mounting Arm Kessil Mounting Arm

    Kessil

    Kessil Mounting Arm

    Kessil Mounting Arm The Kessil Mounting Arm is a rigid arm that allows your Kessil light to be suspended over your tank by clamping onto the aquariums rim. The mounting arm has an adjustment for height, as well as distance making it a perfect mounting...

    $89.00
  • Finnex Planted+ 24/7 HLC - 20" Aquarium LED Light Finnex Planted+ 24/7 HLC - 20" Aquarium LED Light Finnex Planted+ 24/7 HLC - 20" Aquarium LED Light Finnex Planted+ 24/7 HLC - 20" Aquarium LED Light

    Finnex

    Finnex Planted+ 24/7 HLC - 20" Aquarium LED Light

    Finnex Planted+ 24/7 HLC - 20" Aquarium LED Light 24/7 CC Mode: Fully Customizable Sunrise & Sunset Razor thin eye CATCHING aluminum hood Hands Free: Simulating Fire Red Sunrise to Blue Starry Night Built in LED Sensor  The Finnex...

    $84.99
  •  CPR Medium LED Refugium Fixture 11W - 18.5" long  CPR Medium LED Refugium Fixture 11W - 18.5" long  CPR Medium LED Refugium Fixture 11W - 18.5" long  CPR Medium LED Refugium Fixture 11W - 18.5" long  CPR Medium LED Refugium Fixture 11W - 18.5" long

    CPR

    CPR Medium LED Refugium Fixture 11W - 18.5" long

     CPR Medium LED Refugium Fixture 11W - 18.5" long CPR LED Refugium Light, Medium Designed for AquaFuge2 (medium) and AquaFuge PS (large) Low power consumption Inline power switch Low profile design Reduced light leak Included stands fit...

    $79.99
  • Aquatop SkyAqua Actinic Blue LED 24"-30"

    AQUATOP

    Aquatop SkyAqua Actinic Blue LED 24"-30"

    Aquatop SkyAqua Actinic Blue LED 24"-30" AQUATOP SAQB-2430 SkyAqua Actinic Blue 24"-30" LED Aquarium Light Bring life and color to your underwater habitat with the Aquatop SkyAqua Actinic Blue LED Lighting Series! This energy efficient LED lighting...

    $79.99
  • ReefBreeders Meridian BOT Mount - 1 Arm ReefBreeders Meridian BOT Mount - 1 Arm

    ReefBreeders

    ReefBreeders Meridian BOT Mount - 1 Arm

    ReefBreeders Meridian BOT Mount - 1 Arm 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 handle the...

    $79.99
  • ATI STAR Tank Mounting Legs ATI STAR Tank Mounting Legs ATI STAR Tank Mounting Legs ATI STAR Tank Mounting Legs ATI STAR Tank Mounting Legs

    ATI

    ATI STAR Tank Mounting Legs

    ATI STAR Tank Mounting Legs The ATI STAR Tank Mounting Legs securely attach to any length of the STAR Mounting Rail. Designed to sit on the edge of a rimmed or rimless aquarium. Easily change the distance between the lights and the top of the tank by...

    $79.95
  • Finnex Stingray 3.0 48" Aquarium LED Light - 36W Finnex Stingray 3.0 48" Aquarium LED Light - 36W Finnex Stingray 3.0 48" Aquarium LED Light - 36W Finnex Stingray 3.0 48" Aquarium LED Light - 36W Finnex Stingray 3.0 48" Aquarium LED Light - 36W

    Finnex

    Finnex Stingray 3.0 48" Aquarium LED Light - 36W

    Finnex Stingray 3.0 48" Aquarium LED Light - 36W Perfect Blend: 5700k + 6500k + True 660nm Deep Red + 660nm Midnight BlueWater Resistant: IP67 water resistance to avoid water mishaps and moisture damageQuality Built: Quality components throughout the...

    $78.99
  •  Finnex FugeRay Planted Plus U24WM    Finnex FugeRay Planted Plus U24WM    Finnex FugeRay Planted Plus U24WM    Finnex FugeRay Planted Plus U24WM

    Finnex

    Finnex FugeRay Planted Plus U24WM

     Finnex FugeRay Planted Plus U 24" This Contemporary Ultra Slim designed LED fixture features a series of LEDs to promote Marine Refugium & Freshwater growth.  Unlike the Ray II which incorporates multiple High Output LEDS pinched together...

    MSRP: $99.95
    $75.99
  •  Finnex FugeRay Planted Plus U20WM  Finnex FugeRay Planted Plus U20WM  Finnex FugeRay Planted Plus U20WM  Finnex FugeRay Planted Plus U20WM

    Finnex

    Finnex FugeRay Planted Plus U20WM

     Finnex FugeRay Planted Plus U 20" This Contemporary Ultra Slim designed LED fixture features a series of LEDs to promote Marine Refugium & Freshwater growth.  Unlike the Ray II which incorporates multiple High Output LEDS pinched together...

    MSRP: $89.95
    $71.99
  • AquaIllumination AI HMS Rail - 24"

    Aqua Illuminations

    AquaIllumination AI HMS Rail - 24"

    AquaIllumination AI HMS Rail - 24" AI HMS 24" (25.5") Horizontal Rail (fixture Brackets Sold Separately) AquaIllumination AI HMS Rail - 24" AI HMS 24" (25.5") Horizontal Rail (fixture Brackets Sold Separately) Product code: 6137Item No...

    $69.99