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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.

  • Fluval Aquasky LED with Bluetooth - 18W (24″-36") Fluval Aquasky LED with Bluetooth - 18W (24″-36")

    Fluval

    Fluval Aquasky LED with Bluetooth - 18W (24″-36")

    Fluval Aquasky LED with Bluetooth - 18 W. (24″-36") 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...

    $115.99
  • AquaIllumination AI HMS Rail - 72"

    Aqua Illuminations

    AquaIllumination AI HMS Rail - 72"

    AquaIllumination AI HMS Rail - 72" AI HMS 72" (73.5") Horizontal Rail (fixture Brackets Sold Separately) AquaIllumination AI HMS Rail - 72" AI HMS 72" (73.5") Horizontal Rail (fixture Brackets Sold Separately) Product code: 6141Item No...

    $115.21
  •  Finnex FugeRay Planted Plus U36WM  Finnex FugeRay Planted Plus U36WM  Finnex FugeRay Planted Plus U36WM  Finnex FugeRay Planted Plus U36WM

    Finnex

    Finnex FugeRay Planted Plus U36WM

    Finnex FugeRay Planted Plus U 36"   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...

    $129.95
    $114.99
  • Finnex Planted+ 24/7 HLC - 48" Aquarium LED Light Finnex Planted+ 24/7 HLC - 48" Aquarium LED Light Finnex Planted+ 24/7 HLC - 48" Aquarium LED Light Finnex Planted+ 24/7 HLC - 48" Aquarium LED Light Finnex Planted+ 24/7 HLC - 48" Aquarium LED Light

    Finnex

    Finnex Planted+ 24/7 HLC - 48" Aquarium LED Light

    Finnex Planted+ 24/7 HLC - 48" 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...

    $114.99
  • ReefBreeders Pico LED V2 - Freshwater ReefBreeders Pico LED V2 - Freshwater ReefBreeders Pico LED V2 - Freshwater ReefBreeders Pico LED V2 - Freshwater ReefBreeders Pico LED V2 - Freshwater

    ReefBreeders

    ReefBreeders Pico LED V2 - Freshwater

    ReefBreeders Pico LED V2 - Freshwater The new and improved ReefBreeders Pico LED V2 has been redesigned to be user-friendly with advanced features and twice the power of the V1. The Pico LED V2 has 15watts of LED power and includes a built in...

    $114.99
  • ReefBreeders Pico LED V2 - Refugium ReefBreeders Pico LED V2 - Refugium ReefBreeders Pico LED V2 - Refugium ReefBreeders Pico LED V2 - Refugium ReefBreeders Pico LED V2 - Refugium

    ReefBreeders

    ReefBreeders Pico LED V2 - Refugium

    ReefBreeders Pico LED V2 - Refugium The new and improved ReefBreeders Pico LED V2 has been redesigned to be user-friendly with advanced features and twice the power of the V1. The Pico LED V2 has 15watts of LED power and includes a built in two-channel...

    $114.99
  • ReefBreeders Pico LED V2 - Saltwater Reef ReefBreeders Pico LED V2 - Saltwater Reef ReefBreeders Pico LED V2 - Saltwater Reef ReefBreeders Pico LED V2 - Saltwater Reef ReefBreeders Pico LED V2 - Saltwater Reef

    ReefBreeders

    ReefBreeders Pico LED V2 - Saltwater Reef

    ReefBreeders Pico LED V2 - Saltwater Reef The new and improved ReefBreeders Pico LED V2 has been redesigned to be user-friendly with advanced features and twice the power of the V1. The Pico LED V2 has 15watts of LED power and includes a built in...

    $114.99
  • 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
  • Aquatop SkyAqua Actinic Blue LED 48"-54"

    AQUATOP

    Aquatop SkyAqua Actinic Blue LED 48"-54"

    Aquatop SkyAqua Actinic Blue LED 48"-54" AQUATOP SAQB-4854 SkyAqua Actinic Blue 48"-54" 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...

    $105.99
  • Fluval Plant Nano LED with Bluetooth -15W Fluval Plant Nano LED with Bluetooth -15W Fluval Plant Nano LED with Bluetooth -15W

    Fluval

    Fluval Plant Nano LED with Bluetooth -15W

    Fluval Plant Nano LED with Bluetooth -15W Operated exclusively via the FluvalSmart App on your mobile device, Plant Nano LED is designed to help you grow bigger, more vibrant plants in a small freshwater aquarium.     Programmable, gradual 24-hour...

    $104.99
  • AquaIllumination AI HMS Rail - 60"

    Aqua Illuminations

    AquaIllumination AI HMS Rail - 60"

    AquaIllumination AI HMS Rail - 60" AI HMS 60" (61.5") Horizontal Rail (fixture Brackets Sold Separately) AquaIllumination AI HMS Rail - 60" AI HMS 60" (61.5") Horizontal Rail (fixture Brackets Sold Separately) Product code: 6140Item No...

    $103.08
  • AquaIllumination Blade LED Hanging Kit - 6 Lights AquaIllumination Blade LED Hanging Kit - 6 Lights

    Aqua Illuminations

    AquaIllumination Blade LED Hanging Kit - 6 Lights

    AquaIllumination Blade LED Hanging Kit - 6 Lights A Sleek & Easy Way to Hang your Blade LED Strips! Compatible with all versions of Blade Three available sizes to hang up to 6 Blade light fixtures Finding a mounting solution that works for...

    $99.99
  •  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...

    $99.00
  • 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...

    $99.00
  • 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...

    $99.00
  • 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...

    $95.49
  • 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
  • Finnex Planted+ 24/7 HLC - 36" Aquarium LED Light Finnex Planted+ 24/7 HLC - 36" Aquarium LED Light Finnex Planted+ 24/7 HLC - 36" Aquarium LED Light Finnex Planted+ 24/7 HLC - 36" Aquarium LED Light Finnex Planted+ 24/7 HLC - 36" Aquarium LED Light

    Finnex

    Finnex Planted+ 24/7 HLC - 36" Aquarium LED Light

    Finnex Planted+ 24/7 HLC - 36" 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...

    $91.99
  • AquaIllumination AI HMS Double Arm Kit AquaIllumination AI HMS Double Arm Kit AquaIllumination AI HMS Double Arm Kit AquaIllumination AI HMS Double Arm Kit

    Aqua Illuminations

    AquaIllumination AI HMS Double Arm Kit

    AquaIllumination AI HMS Double Arm Kit AI HMS Dual Arm Mount Rail Kit (Horizontal Rail and Fixture Brackets Sold Separately) Great for mounting multiple lights on one rail across your tank. Requires a mounting rail to fit your tank, and brackets...

    $90.96
  • AquaIllumination AI HMS Rail - 48"

    Aqua Illuminations

    AquaIllumination AI HMS Rail - 48"

    AquaIllumination AI HMS Rail - 48" AI HMS 48" (49.5") Horizontal Rail (fixture Brackets Sold Separately) AquaIllumination AI HMS Rail - 48" AI HMS 48" (49.5") Horizontal Rail (fixture Brackets Sold Separately) Product code: 6139Item No...

    $90.96
  • 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
  • AquaIllumination Blade LED Hanging Kit - 4 Lights AquaIllumination Blade LED Hanging Kit - 4 Lights

    Aqua Illuminations

    AquaIllumination Blade LED Hanging Kit - 4 Lights

    AquaIllumination Blade LED Hanging Kit - 4 Lights A Sleek & Easy Way to Hang your Blade LED Strips! Compatible with all versions of Blade Three available sizes to hang up to 6 Blade light fixtures Finding a mounting solution that works for...

    $89.99
  • Finnex FugeRay Planted Plus U30WM Finnex FugeRay Planted Plus U30WM Finnex FugeRay Planted Plus U30WM Finnex FugeRay Planted Plus U30WM

    Finnex

    Finnex FugeRay Planted Plus U30WM

    Finnex FugeRay Planted Plus U 30" 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 for...

    $109.95
    $87.99
  • Red Sea ReefLED 160S Universal Mounting Arm Red Sea ReefLED 160S Universal Mounting Arm Red Sea ReefLED 160S Universal Mounting Arm

    Red Sea

    Red Sea ReefLED 160S Universal Mounting Arm

    Red Sea ReefLED 160S 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 the...

    $85.00
  •  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
  • Dymax EclipseX Freshwater LED Light Dymax EclipseX Freshwater LED Light

    Dymax

    Dymax EclipseX Freshwater LED Light

    Dymax EclipseX Freshwater LED Light Dymax EclipseX LED light is perfect for freshwater aquariums, promoting optimal photosynthesis and plant growth. Enhance Plant Color and Promote Growth with EclipseX The Dymax EclipseX LED light is designed for...

    $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
  • Kessil Mounting Arm 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...

    $79.00
  • 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
  •  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...

    $78.83
  • 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...

    $77.99
  •  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...

    $99.95
    $75.99
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