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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.

  • Giesemann 36" Aqua Blue Coral T5 Bulb, 39W Giesemann 36" Aqua Blue Coral T5 Bulb, 39W Giesemann 36" Aqua Blue Coral T5 Bulb, 39W

    Giesemann

    Giesemann 36" Aqua Blue Coral T5 Bulb, 39W

    Giesemann 36" Aqua Blue Coral T5 Bulb, 39W Light dependent corals in the sea are inhabited by so-called zooxanthellae, single-celled algae, which provide the host through photosynthesis with nutrients. Depending on the natural location of the coral (and...

    $28.99
  • Giesemann 36" Super Actinic T5 Bulb, 39W Giesemann 36" Super Actinic T5 Bulb, 39W Giesemann 36" Super Actinic T5 Bulb, 39W

    Giesemann

    Giesemann 36" Super Actinic T5 Bulb, 39W

    Giesemann 36" Super Actinic T5 Bulb, 39W Some corals reach its beauty and expression only by special fluorescent colors. Like many mussel species these animals will be found in the sea at water depths where specific UV-components are available...

    $28.99
  • Giesemann 36" Super Flora T5 Bulb, 39W Giesemann 36" Super Flora T5 Bulb, 39W Giesemann 36" Super Flora T5 Bulb, 39W

    Giesemann

    Giesemann 36" Super Flora T5 Bulb, 39W

    Giesemann 36" Super Flora T5 Bulb, 39W Giesemann for years has made many attempts to identify a light spectrum, which promotes the growth of aquatic plants as much as possible, and inhibits the growth of algae. Here we detected, that both emergent and...

    $28.99
  • Giesemann 36" Super Purple T5 Bulb, 39W  Giesemann 36" Super Purple T5 Bulb, 39W

    Giesemann

    Giesemann 36" Super Purple T5 Bulb, 39W

    Giesemann 36" Super Purple T5 Bulb, 39W   The Giesemann SUPER PURPLE is a high-performance T5 tube with a very strong white/violet spectrum as a perfect addition to our proven Giesemann PowerChrome tubes. Extensive tests...

    $28.99
  • Giesemann 36" Tropic T5 Bulb, 39W Giesemann 36" Tropic T5 Bulb, 39W

    Giesemann

    Giesemann 36" Tropic T5 Bulb, 39W

    Giesemann 36" Tropic T5 Bulb, 39W The Giesemann PowerChrome TROPIC is one of the few existing lamps that actually produces full spectral components of its entire range from blue to red. Based on this, the Giesemann TROPIC lamps do...

    $28.99
  •  Giesemann 24" Super Actinic T5 Bulb, 24W   Giesemann 24" Super Actinic T5 Bulb, 24W   Giesemann 24" Super Actinic T5 Bulb, 24W

    Giesemann

    Giesemann 24" Super Actinic T5 Bulb, 24W

    Giesemann 24" Super Actinic T5 Bulb, 24W   Some corals reach its beauty and expression only by special fluorescent colors. Like many mussel species these animals will be found in the sea at water depths where specific UV-components are...

    $26.99
  • Giesemann 24" Actinic Blue T5 Bulb, 24W Giesemann 24" Actinic Blue T5 Bulb, 24W

    Giesemann

    Giesemann 24" Actinic Blue T5 Bulb, 24W

    Giesemann 24" Actinic Blue T5 Bulb, 24W Since most aquarium inhabitants live in seawater depths where the light is very blue, it is needed to simulate this natural living conditions in the aquarium. The Giesemann ACTINIC BLUE has therefore...

    $26.99
  • Giesemann 24" Aqua Blue Coral T5 Bulb, 24W Giesemann 24" Aqua Blue Coral T5 Bulb, 24W Giesemann 24" Aqua Blue Coral T5 Bulb, 24W

    Giesemann

    Giesemann 24" Aqua Blue Coral T5 Bulb, 24W

    Giesemann 24" Aqua Blue Coral T5 Bulb, 24W Light dependent corals in the sea are inhabited by so-called zooxanthellae, single-celled algae, which provide the host through photosynthesis with nutrients. Depending on the natural location of the coral (and...

    $26.99
  • Giesemann 24" Super Purple T5 Bulb, 24W  Giesemann 24" Super Purple T5 Bulb, 24W  Giesemann 24" Super Purple T5 Bulb, 24W

    Giesemann

    Giesemann 24" Super Purple T5 Bulb, 24W

    Giesemann 24" Super Purple T5 Bulb, 24W   The Giesemann SUPER PURPLE is a high-performance T5 tube with a very strong white/violet spectrum as a perfect addition to our proven Giesemann PowerChrome tubes. Extensive tests...

    $26.99
  • Giesemann 24" Tropic T5 Bulb, 24W Giesemann 24" Tropic T5 Bulb, 24W

    Giesemann

    Giesemann 24" Tropic T5 Bulb, 24W

    Giesemann 24" Tropic T5 Bulb, 24W The Giesemann PowerChrome TROPIC is one of the few existing lamps that actually produces full spectral components of its entire range from blue to red. Based on this, the Giesemann TROPIC lamps do...

    $26.99
  • ATI Blue Plus + T5 Bulb, 36" (39W) ATI Blue Plus + T5 Bulb, 36" (39W) ATI Blue Plus + T5 Bulb, 36" (39W)

    ATI

    ATI Blue Plus + T5 Bulb, 36" (39W)

    ATI Blue Plus + T5 Bulb, 36" (39W) Combines the properties of a Blue bulb with a Actinic Blue 03 bulb producing a unique spectrum that encourages both bluing in SPS corals and fluorescence in capable corals. Also helps balance out a...

    $26.95
  • ATI Coral Plus + T5 Bulb, 36" (39W) ATI Coral Plus + T5 Bulb, 36" (39W)

    ATI

    ATI Coral Plus + T5 Bulb, 36" (39W)

    ATI Coral Plus + T5 Bulb, 36" (39W)Combines the properties of a Blue Plus (~50%) + Aquablue Special (~40%) + Purple Plus (~10%) producing a bulb with an approximate color temperature of 15000K+. Appears cool, crisp white to the eye. Recommended Use: as a...

    $26.95
  • ATI Purple Plus T5 Bulb, 36" (39W) ATI Purple Plus T5 Bulb, 36" (39W)

    ATI

    ATI Purple Plus T5 Bulb, 36" (39W)

    ATI Purple Plus T5 Bulb, 36" (39W)ATI Purple Plus T5 Bulb, 36" (39W) *Important Shipping Information: Minimum order of 2 (two) T5 lamps, (Mix & Match), to qualify for our standard shipping fees.Product code: 4369Item No. LT-ATI-1127

    $26.95
  • ATI True Actinic 03 T5 Bulb, 36" (39W) ATI True Actinic 03 T5 Bulb, 36" (39W)

    ATI

    ATI True Actinic 03 T5 Bulb, 36" (39W)

    ATI True Actinic 03 T5 Bulb, 36" (39W)Aquarium Lamps. 100% "actinic blue" bulb which produces a spectrum that peaks at 420nm producing a spectrum that encourages ultimate fluorescence and coral enhancement in capable corals. ATI True Actinic 03 T5...

    $26.95
  • Kessil 90 Degree Gooseneck Bracket A360/A360X Kessil 90 Degree Gooseneck Bracket A360/A360X Kessil 90 Degree Gooseneck Bracket A360/A360X Kessil 90 Degree Gooseneck Bracket A360/A360X

    Kessil

    Kessil 90 Degree Gooseneck Bracket A360/A360X

    Kessil 90 Degree Gooseneck Bracket A360/A360X The 90 Degree Gooseneck Bracket is designed to be used with the A Series Gooseneck to maintain a low profile look. The Bracket can be installed in less than 1 minute to the A360X or A360 and A Series...

    $25.00
  • Kessil 90° Unit Link Cable Kessil 90° Unit Link Cable

    Kessil

    Kessil 90° Unit Link Cable

    Kessil 90° Unit Link Cable The 90° Unit Link Cable (10') is necessary to set up canopy-mounted A80s with the A-Series Spectral Controller.Kessil 90° Unit Link Cable The 90° Unit Link Cable (10') is necessary to set up canopy-mounted...

    $25.00
  • EcoTech Marine Power Supply Bracket EcoTech Marine Power Supply Bracket

    EcoTech Marine

    EcoTech Marine Power Supply Bracket

    EcoTech Marine Power Supply Bracket Mount your power supplies out of the water and out of the way. Fully adjustable and velcro secure, take your aquarium under the tank organization to the next level.Keeping your power supply mounted will help keep your...

    $24.99
  • ATI Aquablue Special 12,000K T5 Bulb, 24" (24W) ATI Aquablue Special 12,000K T5 Bulb, 24" (24W) ATI Aquablue Special 12,000K T5 Bulb, 24" (24W)

    ATI

    ATI Aquablue Special 12,000K T5 Bulb, 24" (24W)

    ATI Aquablue Special 12,000K T5 Bulb, 24" (24W)Combines the properties of a Blue bulb with a full-spectrum daylight bulb producing a color temperature of approximately 12000K. ATI Aquablue Special 12,000K T5 Bulb, 24" (24W) Combines the properties of a...

    $24.95
  • ATI Blue Plus + T5 Bulb, 24" (24W) ATI Blue Plus + T5 Bulb, 24" (24W) ATI Blue Plus + T5 Bulb, 24" (24W)

    ATI

    ATI Blue Plus + T5 Bulb, 24" (24W)

    ATI Blue Plus + T5 Bulb, 24" (24W)  Combines the properties of a Blue bulb with a Actinic Blue 03 bulb producing a unique spectrum that encourages both bluing in SPS corals and fluorescence in capable corals. Also helps balance out a...

    $24.95
  • ATI Coral Plus + T5 Bulb, 24" (24W) ATI Coral Plus + T5 Bulb, 24" (24W) ATI Coral Plus + T5 Bulb, 24" (24W)

    ATI

    ATI Coral Plus + T5 Bulb, 24" (24W)

    ATI Coral Plus + T5 Bulb, 24" (24W)Combines the properties of a Blue Plus (~50%) + Aquablue Special (~40%) + Purple Plus (~10%) producing a bulb with an approximate color temperature of 15000K+. Appears cool, crisp white to the eye. Recommended Use: as a...

    $24.95
  • ATI Purple Plus T5 Bulb, 24" (24W) ATI Purple Plus T5 Bulb, 24" (24W)

    ATI

    ATI Purple Plus T5 Bulb, 24" (24W)

    ATI Purple Plus T5 Bulb, 24" (24W)ATI Purple Plus T5 Bulb, 24" (24W) *Important Shipping Information: Minimum order of 2 (two) T5 lamps, (Mix & Match), to qualify for our standard shipping fees.Product code: 4368Item No. LT-ATI-1125

    $24.95
  • ATI True Actinic 03 T5 Bulb, 24" (24W) ATI True Actinic 03 T5 Bulb, 24" (24W)

    ATI

    ATI True Actinic 03 T5 Bulb, 24" (24W)

    ATI True Actinic 03 T5 Bulb, 24" (24W)Aquarium Lamps. 100% "actinic blue" bulb which produces a spectrum that peaks at 420nm producing a spectrum that encourages ultimate fluorescence and coral enhancement in capable corals. ATI True Actinic 03 T5 Bulb,...

    $24.95
  • Dalua Illumagic Vitamini Mounts - Universal Holder

    DALUA

    Dalua Illumagic Vitamini Mounts - Universal Holder

    Dalua Illumagic Vitamini Mounts - Universal Holder The Dalua Illumagic Vitamini Mounts are a secure and adjustable mounting solution for the Vitamini LED Strip lights. Adjustable Positioning The rotatable design allows users to adjust the angle of the...

    $24.95
  • TEK2 T5 36" Reflector with Clips

    EcoPlus

    TEK2 T5 36" Reflector with Clips

    TEK2 T5 36" Reflector with ClipsSunlight Supply's T5 parabolic reflectors increases light reaching the tank by 300% versus using a stand alone lamp. These reflectors take T5 HO fluorescent bulb. TEK2 T5 36" Reflector with Clips NEW DESIGN! Now made from...

    $24.95
  • Titan Controls Apollo 9 - Two Outlet Digital Timer Titan Controls Apollo 9 - Two Outlet Digital Timer

    Titan Controls

    Titan Controls Apollo 9 - Two Outlet Digital Timer

    Titan Controls Apollo 9 - Two Outlet Digital Timer The Titan Controls 734105 Apollo 9 is a 24-hour indoor digital timer that allows control of two hydro system devices that require the same 24-hour schedule. With two outlets and a 15 amp capacity, it's...

    $24.95
  • AquaIllumination AI HMS Hydra 32 Bracket AquaIllumination AI HMS Hydra 32 Bracket

    Aqua Illuminations

    AquaIllumination AI HMS Hydra 32 Bracket

    AquaIllumination AI HMS Hydra 32 Bracket   Fits Hydra 26 and Hydra 32 Light Fixtures.AquaIllumination AI HMS Hydra 32 Bracket   Fits Hydra 26 and Hydra 32 Light Fixtures.     Product code: 6136Item No. LT-AI-5405

    $19.99
  • AI Power Supply Bracket AI Power Supply Bracket

    Aqua Illuminations

    AI Power Supply Bracket

    AI Power Supply Bracket Mount your power supplies out of the water and out of the way. Fully adjustable and velcro secure, take your aquarium under the tank organization to the next level.AI Power Supply Bracket

    $19.64
  • Vivid Creative AI Prime Light Shaping Visors 2pk Vivid Creative AI Prime Light Shaping Visors 2pk Vivid Creative AI Prime Light Shaping Visors 2pk Vivid Creative AI Prime Light Shaping Visors 2pk

    Aqua Illuminations

    Vivid Creative AI Prime Light Shaping Visors 2pk

    Vivid Creative AI Prime Light Shaping Visors 2pk The ALV is the easiest way to direct the light from your AI Prime Refugium light right where you need, while shading nearby equipment such as your protein skimmer or other sump chambers. Simple to...

    $17.99
  • Red Sea ReefLED G2 115 Visor Red Sea ReefLED G2 115 Visor

    Red Sea

    Red Sea ReefLED G2 115 Visor

    Red Sea ReefLED G2 115 Visor Description The ReefLED G2 Visor is an optional clip-on accessory designed to reduce glare and minimize light spillage, keeping more light focused inside your aquarium. Easy to install and remove, it enhances your viewing...

    $17.50
  • Red Sea ReefLED G2 170 Visor Red Sea ReefLED G2 170 Visor

    Red Sea

    Red Sea ReefLED G2 170 Visor

    Red Sea ReefLED G2 170 Visor Description The ReefLED G2 Visor is an optional clip-on accessory designed to reduce glare and minimize light spillage, keeping more light focused inside your aquarium. Easy to install and remove, it enhances your viewing...

    $17.50
  • Red Sea ReefLED G2 60 Visor Red Sea ReefLED G2 60 Visor

    Red Sea

    Red Sea ReefLED G2 60 Visor

    Red Sea ReefLED G2 60 Visor Description The ReefLED G2 Visor is an optional clip-on accessory designed to reduce glare and minimize light spillage, keeping more light focused inside your aquarium. Easy to install and remove, it enhances your viewing...

    $17.50
  • ATI STAR Straton Flex Mounting Kit ATI STAR Straton Flex Mounting Kit

    ATI

    ATI STAR Straton Flex Mounting Kit

    ATI STAR Straton Flex Mounting Kit The ATI STAR Straton Flex Mounting Kit securely attaches a Straton Flex fixture to the ATI STAR Mounting Rail. The 102 and 153 fixtures use the same kit. Includes all necessary components to mount one fixture...

    $14.95
  • ATI STAR Straton Pro Mounting Kit 153

    ATI

    ATI STAR Straton Pro Mounting Kit 153

    ATI STAR Straton Pro Mounting Kit 153 The ATI STAR Straton Pro Mounting Kit securely attaches a Straton Pro fixture to the ATI STAR Mounting Rail. The 102 and 204 fixtures use the same kit, whereas the 153 uses a separate mounting kit. Includes all...

    $14.95
  • AquaIllumination Blade Mounting Clips

    Aqua Illuminations

    AquaIllumination Blade Mounting Clips

    AquaIllumination Blade Mounting Clips A set of two mounting clips for the Blade Smart LED Strip Lights from Aqua Illumination. The clips will hold your Blade firmly onto the AI HMS Single Arm Mount or HMS Hanging Kit rails.

    $12.99
  • Quick Disconnect Male Plug

    Quick Disconnect Male Plug

    Quick Disconnect MalePlug for BallastsQuick Disconnect MalePlug.Fits metal halide ballasts made by IceCap, Vertex, and Aqua Medic. Can be used to connect off-brand fixtures, pendants, and reflectors with IceCap, Vertex, and Aqua Medic Reeflex metal...

    $11.95
  • Maxspect Mazarra Package F - 7.9" Extension Rails (2) Maxspect Mazarra Package F - 7.9" Extension Rails (2) Maxspect Mazarra Package F - 7.9" Extension Rails (2) Maxspect Mazarra Package F - 7.9" Extension Rails (2) Maxspect Mazarra Package F - 7.9" Extension Rails (2)

    Maxspect Mazarra

    Maxspect Mazarra Package F - 7.9" Extension Rails (2)

    Maxspect MazarraPackage F -7.9" Extension Rails (2)The Maxspect Mazarra LED Cree Lighting System is an innovative solution to modern aquarium lighting. Maxspect Mazarra Package F - 7.9" Extension Rails (2).Product code: 2309Item No. LT-MAX-F

    Was: $19.99
    Now: $9.99
  • ATI STAR Straton Pro Mounting Kit 102/204

    ATI

    ATI STAR Straton Pro Mounting Kit 102/204

    ATI STAR Straton Pro Mounting Kit 102/204 The ATI STAR Straton Pro Mounting Kit securely attaches a Straton Pro fixture to the ATI STAR Mounting Rail. The 102 and 204 fixtures use the same kit, whereas the 153 uses a separate mounting kit. Includes all...

    $9.95
  • T5 Waterproof Socket End Cap 1ct.

    ATI

    T5 Waterproof Socket End Cap 1ct.

    T5 Waterproof Socket End Cap, 1ct. Mounting brackets sold separately.T5 Waterproof Socket End Cap, 1ct. Mounting brackets sold separately.Product code: 709Item No. LT-IC-T5-EC2

    $6.95
  • Cable Tie Mount with Zip-Tie, 5 ct. Cable Tie Mount with Zip-Tie, 5 ct.

    AquaCave

    Cable Tie Mount with Zip-Tie, 5 ct.

    Cable Tie Mount with Zip-Tie, 5 ct. Keep cables bundled and organized. Adhesive backing sticks to walls and floors. 4" Ties included. Included: 5 x Base mounts, black 5 x 4" zip-ties, black Cable Tie Mount with Zip-Tie, 5 ct. Keep cables...

    $3.95