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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.

  • AquaIllumination Blade LED Hybrid Mounting Kit AquaIllumination Blade LED Hybrid Mounting Kit AquaIllumination Blade LED Hybrid Mounting Kit

    Aqua Illuminations

    AquaIllumination Blade LED Hybrid Mounting Kit

    AquaIllumination Blade LED Hybrid Mounting Kit Add 2 Blade LEDs to your Radion or Hydra LEDs Reduce shadows & add color pop Increase PAR without creating hot spots Mount your way! AquaIllumination's Blade LED Hybrid Mounting Kit is just one...

    $69.99
  • Pico Refugium LED - ReefBreeders Pico Refugium LED - ReefBreeders Pico Refugium LED - ReefBreeders Pico Refugium LED - ReefBreeders Pico Refugium LED - ReefBreeders

    ReefBreeders

    Pico Refugium LED - ReefBreeders

    Pico Refugium LED - ReefBreeders The all new 2023 model year ReefBreeders Pico LED has been overhauled from the bottom up- making it one of the best options for small aquariums out there! One major change is the new controller- we developed an advanced...

    $69.99
  • ReefBreeders Meridian Edge / Side of Tank Mount

    ReefBreeders

    ReefBreeders Meridian Edge / Side of Tank Mount

    ReefBreeders Meridian Edge / Side of Tank Mount The Meridian Side-of-Tank Mounts are a practical and adjustable solution for mounting your Meridian light. These sturdy legs extend from either side of the light, making it compatible with tanks up...

    $69.99
  • ReefBreeders Pico LED - Saltwater ReefBreeders Pico LED - Saltwater ReefBreeders Pico LED - Saltwater ReefBreeders Pico LED - Saltwater ReefBreeders Pico LED - Saltwater

    ReefBreeders

    ReefBreeders Pico LED - Saltwater

    ReefBreeders Pico LED The all new 2023 model year ReefBreeders Pico LED has been overhauled from the bottom up- making it one of the best options for small aquariums out there! One major change is the new controller- we developed an advanced yet simple...

    $69.99
  • ATI STAR Mounting Rail, 37 in.

    ATI

    ATI STAR Mounting Rail, 37 in.

    ATI STAR Mounting Rail, 37 in. The ATI STAR Mounting Rail is the primary building block of the STAR mounting system for mounting either Straton Pro or Straton Flex LED fixtures. Available in multiple sizes and capable of supporting up to three of the...

    $69.95
  • Bubble Magus 6 Cooling Fan Bubble Magus 6 Cooling Fan

    Bubble Magus

    Bubble Magus 6 Cooling Fan

    Bubble Magus 6 Cooling Fan No assembly requiredEasy installation (Clamp mounting bracket) Clamp mounting bracket can fit over aquarium walls up to 1/2" thickExtend Longevity of your lighting systemLow power consumptionAdjustable direction of air...

    $69.95
  • Dalua Illumagic Mounting Rails, 36 Inch

    DALUA

    Dalua Illumagic Mounting Rails, 36 Inch

    Dalua Illumagic Mounting Rails, 36 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...

    $69.00
  • Finnex Stingray 3.0 36" Aquarium LED Light - 26W Finnex Stingray 3.0 36" Aquarium LED Light - 26W Finnex Stingray 3.0 36" Aquarium LED Light - 26W Finnex Stingray 3.0 36" Aquarium LED Light - 26W Finnex Stingray 3.0 36" Aquarium LED Light - 26W

    Finnex

    Finnex Stingray 3.0 36" Aquarium LED Light - 26W

    Finnex Stingray 3.0 36" Aquarium LED Light - 26W 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...

    $67.99
  •  Finnex FugeRay Planted Plus U16WM  Finnex FugeRay Planted Plus U16WM  Finnex FugeRay Planted Plus U16WM  Finnex FugeRay Planted Plus U16WM

    Finnex

    Finnex FugeRay Planted Plus U16WM

    Finnex FugeRay Planted Plus U 16" 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...

    MSRP: $74.95
    $64.99
  • Finnex StingRAY 2 - 30" LED Aquarium Light - Silver Finnex StingRAY 2 - 30" LED Aquarium Light - Silver Finnex StingRAY 2 - 30" LED Aquarium Light - Silver Finnex StingRAY 2 - 30" LED Aquarium Light - Silver

    Finnex

    Finnex StingRAY 2 - 30" LED Aquarium Light - Silver

    Finnex StingRAY 2 - 30" LED Aquarium Light - Silver The Finnex Stingray 2 Aquarium LED +Moonlights The Stingray 2 LED series features such a slim hood that it is nearly unseen atop an aquarium. The Stingray 2 offers nearly double the amount of LEDs of...

    $63.20
  • Reef Octopus 4" Smart Fan Reef Octopus 4" Smart Fan Reef Octopus 4" Smart Fan Reef Octopus 4" Smart Fan Reef Octopus 4" Smart Fan

    Reef Octopus

    Reef Octopus 4" Smart Fan

    Reef Octopus 3" Smart Fan The Reef Octopus USB Smart Fan will automatically increase or decrease the fan speed depending on the ambient temperature of the area surrounding the thermostat. Makes and excellent choice for aquarium canopies, enclosed stands...

    $60.05
  • 7-Day Rental - ITC Reefculture PARwise 7-Day Rental - ITC Reefculture PARwise 7-Day Rental - ITC Reefculture PARwise 7-Day Rental - ITC Reefculture PARwise

    Seneye

    7-Day Rental - ITC Reefculture PARwise

    7-Day Rental - ITC Reefculture PARwise PAR meter rental period is 7 days from the day it is delivered to your door to the day the return tracking number becomes active, so you get a full week to tune your lights! If you need to keep the meter longer, no...

    $59.99
  • AquaIllumination AI Prime Tank Mount, Black AquaIllumination AI Prime Tank Mount, Black AquaIllumination AI Prime Tank Mount, Black

    Aqua Illuminations

    AquaIllumination AI Prime Tank Mount, Black

    AquaIllumination AI Prime Tank Mount, Black The AquaIllumination Prime Tank Mount is an elegant mounting solution on both rimmed and rimless tanks for your AI Prime. The innovative ball joint makes it simple to tilt, turn, and adjust your light to your...

    $59.99
  • Aquatop SkyAqua Actinic Blue LED 18"-24"

    AQUATOP

    Aquatop SkyAqua Actinic Blue LED 18"-24"

    Aquatop SkyAqua Actinic Blue LED 18"-24" AQUATOP SAQB-1824 SkyAqua Actinic Blue 18"-24" 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...

    $59.99
  • EcoTech RMS Hanging Kit EcoTech RMS Hanging Kit

    EcoTech Marine

    EcoTech RMS Hanging Kit

    EcoTech RMS Hanging Kit The RMS Hanging Kit provides yet more versatility to the already highly flexible RMS system. With the RMS hanging kit you can suspend a RMS track holding multiple slides and Radions over your aquarium. Ideal for situations...

    $59.99
  • Finnex Stingray 3.0 30" Aquarium LED Light - 22W Finnex Stingray 3.0 30" Aquarium LED Light - 22W Finnex Stingray 3.0 30" Aquarium LED Light - 22W Finnex Stingray 3.0 30" Aquarium LED Light - 22W Finnex Stingray 3.0 30" Aquarium LED Light - 22W

    Finnex

    Finnex Stingray 3.0 30" Aquarium LED Light - 22W

    Finnex Stingray 3.0 30" Aquarium LED Light - 22W 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...

    $59.99
  • Photon Link Kit Photon Link Kit

    ReefBreeders

    Photon Link Kit

    Photon Link Kit The Photon Link Kit enables you to connect your 2 Photon 32-V2/+ lights to cover your 6 foot aquarium using the included mounting legs. It is also compatible with other lengths of Photon V2 lights.The Photon Link Kit consists of 2 31″...

    $59.99
  • Dalua Illumagic Pixel Electronic Power Supply, Dual

    DALUA

    Dalua Illumagic Pixel Electronic Power Supply, Dual

    Dalua Illumagic Pixel Electronic Power Supply, Dual Compact and efficient, the Dalua Illumagic Pixel Electronic Power Supply powers one to four Pixel LED lights. A reliable solution, it ensures consistent performance and longevity. Specifications Cable...

    $59.00
  • Extension Kit for Kessil Mounting Arm Extension Kit for Kessil Mounting Arm Extension Kit for Kessil Mounting Arm Extension Kit for Kessil Mounting Arm

    Kessil

    Extension Kit for Kessil Mounting Arm

    Extension Kit for Kessil Mounting Arm The Extension Mount is designed to be used with the Mounting Arm and provides customers with additional mounting option. It is designed specifically for acrylic or euro-braced tanks, by affixing the mounting arms to...

    $59.00
  • Kessil AP9X Mounting Arm Extended Slide Bar Kessil AP9X Mounting Arm Extended Slide Bar Kessil AP9X Mounting Arm Extended Slide Bar

    Kessil

    Kessil AP9X Mounting Arm Extended Slide Bar

    Kessil AP9X Mounting Arm Extended Slide Bar The AP9 Mounting Arm Extended Slide Bar extends the reach of the AP9 mounting arm by up to 8” (18" total distance from the back of the tank to the lamp). This accessory allows users with wider tanks (up to...

    $59.00
  • Finnex Stingray 3.0 24" Aquarium LED Light - 16W Finnex Stingray 3.0 24" Aquarium LED Light - 16W Finnex Stingray 3.0 24" Aquarium LED Light - 16W Finnex Stingray 3.0 24" Aquarium LED Light - 16W Finnex Stingray 3.0 24" Aquarium LED Light - 16W

    Finnex

    Finnex Stingray 3.0 24" Aquarium LED Light - 16W

    Finnex Stingray 3.0 24" Aquarium LED Light - 16W 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...

    $56.99
  • Finnex StingRAY 2 - 24" LED Aquarium Light - Silver Finnex StingRAY 2 - 24" LED Aquarium Light - Silver Finnex StingRAY 2 - 24" LED Aquarium Light - Silver Finnex StingRAY 2 - 24" LED Aquarium Light - Silver

    Finnex

    Finnex StingRAY 2 - 24" LED Aquarium Light - Silver

    Finnex StingRAY 2 - 24" LED Aquarium Light - Silver The Finnex Stingray 2 Aquarium LED +Moonlights The Stingray 2 LED series features such a slim hood that it is nearly unseen atop an aquarium. The Stingray 2 offers nearly double the amount of LEDs of...

    $56.87
  • Dalua Illumagic Mounting Rails, 23 Inch

    DALUA

    Dalua Illumagic Mounting Rails, 23 Inch

    Dalua Illumagic Mounting Rails, 23 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...

    $55.00
  • Bubble Magus 4 Cooling Fan Bubble Magus 4 Cooling Fan

    Bubble Magus

    Bubble Magus 4 Cooling Fan

    Bubble Magus 4 Cooling Fan No assembly requiredEasy installation (Clamp mounting bracket) Clamp mounting bracket can fit over aquarium walls up to 1/2" thickExtend Longevity of your lighting systemLow power consumptionAdjustable direction of air...

    $54.95
  • Reef Octopus 3" Smart Fan Reef Octopus 3" Smart Fan Reef Octopus 3" Smart Fan Reef Octopus 3" Smart Fan Reef Octopus 3" Smart Fan

    Reef Octopus

    Reef Octopus 3" Smart Fan

    Reef Octopus 3" Smart Fan The Reef Octopus USB Smart Fan will automatically increase or decrease the fan speed depending on the ambient temperature of the area surrounding the thermostat. Makes and excellent choice for aquarium canopies, enclosed stands...

    $54.27
  • Finnex StingRAY 2 - 20" LED Aquarium Light - Silver Finnex StingRAY 2 - 20" LED Aquarium Light - Silver Finnex StingRAY 2 - 20" LED Aquarium Light - Silver Finnex StingRAY 2 - 20" LED Aquarium Light - Silver

    Finnex

    Finnex StingRAY 2 - 20" LED Aquarium Light - Silver

    Finnex StingRAY 2 - 20" LED Aquarium Light - Silver The Finnex Stingray 2 Aquarium LED +Moonlights The Stingray 2 LED series features such a slim hood that it is nearly unseen atop an aquarium. The Stingray 2 offers nearly double the amount of LEDs of...

    $53.51
  • ReefLED 60 Universal Mounting Arm - Red Sea ReefLED 60 Universal Mounting Arm - Red Sea ReefLED 60 Universal Mounting Arm - Red Sea

    Red Sea

    ReefLED 60 Universal Mounting Arm - Red Sea

    ReefLED 60 Universal Mounting Arm - Red Sea The ReefLED 60 universal mounting arm is suitable for tank widths 14"-20” with a glass thickness of 5/16”-5/8” and can be rotated from side to side during reefscaping or other tank...

    $50.00
  • AI Hydra Edge 44 LED Mounting C-Bracket - Aquaillumination AI Hydra Edge 44 LED Mounting C-Bracket - Aquaillumination AI Hydra Edge 44 LED Mounting C-Bracket - Aquaillumination

    Aqua Illuminations

    AI Hydra Edge 44 LED Mounting C-Bracket - Aquaillumination

    AI Hydra Edge 44 LED Mounting C-Bracket - Aquaillumination Flexible Mounting for the Hydra Edge 44HD Get the most out of your Hydra Edge 44HD with this versatile mounting kit, designed to provide maximum flexibility for your aquarium lighting setup...

    $49.99
  • AI Hydra Edge 68 LED Mounting C-Bracket - Aquaillumination AI Hydra Edge 68 LED Mounting C-Bracket - Aquaillumination AI Hydra Edge 68 LED Mounting C-Bracket - Aquaillumination

    Aqua Illuminations

    AI Hydra Edge 68 LED Mounting C-Bracket - Aquaillumination

    AI Hydra Edge 68 LED Mounting C-Bracket - Aquaillumination Flexible Mounting for the Hydra Edge 68HD Get the most out of your Hydra Edge 68HD with this versatile mounting kit, designed to provide maximum flexibility for your aquarium lighting setup...

    $49.99
  • AI Hydra Edge HMS Hanging Kit - AquaIlluminations AI Hydra Edge HMS Hanging Kit - AquaIlluminations

    Aqua Illuminations

    AI Hydra Edge HMS Hanging Kit - AquaIllumination

    AI Hydra Edge HMS Hanging Kit - AquaIllumination Sleek & Adjustable Hanging Kit for Hydra Edge A simple and stylish way to suspend your Hydra Edge 44HD or 68HD LED light fixture above your aquarium. This kit includes everything needed for a secure...

    $49.99
  • AI Single Module HYDRA Hanging Kit - Black AI Single Module HYDRA Hanging Kit - Black

    Aqua Illuminations

    AI Single Module HYDRA Hanging Kit - Black

    AI Single Module HYDRA Hanging Kit - Black The AquaIllumination Single Module Hanging Kit continues AI`s industry-leading core of modularity and elegant design. Mount single AI modules, or multiple modules connected with EXT rails over your tank. The...

    $49.99
  • AquaIllumination AI HMS Hanging Kit AquaIllumination AI HMS Hanging Kit

    Aqua Illuminations

    AquaIllumination AI HMS Hanging Kit

    AquaIllumination AI HMS Hanging Kit AI HMS Hanging Kit (Fixture Brackets and Rail Sold Seperately) An elegant solution to hang one or multiple Hydras over your tank. Requires a mounting rail to fit your tank, and brackets for each Hydra (sold...

    $49.99
  • AquaIllumination AI Prime FLEX Arm 18" AquaIllumination AI Prime FLEX Arm 18"

    Aqua Illuminations

    AquaIllumination AI Prime FLEX Arm 18"

    AquaIllumination AI Prime FLEX Arm 18" Easily mount your AI Prime® on your rimmed or rimless tank with the adjustable Prime Arm Mount. AquaIllumination AI Prime FLEX Arm 18" Easily mount your AI Prime® on your rimmed or rimless tank with...

    $49.99
  • EcoTech Radion XR-30 G6 Diffuser EcoTech Radion XR-30 G6 Diffuser

    EcoTech Marine

    EcoTech Radion XR-30 G6 Diffuser

    EcoTech Radion XR30 G5/G6 Diffuser Compatible with G5 and G6 gen. fixtures. Carefully designed to maximize color mixing while maintaining the sleek look of your XR15 or XR30 Radion fixture. Compatible with all generations of XR15 and XR30 Radions...

    $49.99
  • ReefBreeders Meridian Hanging Wire Set

    ReefBreeders

    ReefBreeders Meridian Hanging Wire Set

    ReefBreeders Meridian Hanging Wire Set The Meridian hanging wire sets are black coated stainless steel, and adjust from 6" to 9.5 Feet above the light and end at a black carabiner. Excess cable can be trimmed if needed.  3 sets are required for the...

    $49.99
  • ReefBreeders Meridian Manual Controller ReefBreeders Meridian Manual Controller ReefBreeders Meridian Manual Controller ReefBreeders Meridian Manual Controller

    ReefBreeders

    ReefBreeders Meridian Manual Controller

    ReefBreeders Meridian Manual Controller Take full control of your Meridian lights with the Meridian Manual Controller, offering simple, direct operation without the need for an app or wireless network. Plug it into the dedicated port on top of your...

    $49.99
  • ReefBreeders Photon Edge Mounting Set ReefBreeders Photon Edge Mounting Set

    ReefBreeders

    ReefBreeders Photon Edge Mounting Set

    ReefBreeders Photon Edge Mounting Set This kit allows mounting one edge bar on either side of the Photon V2, 2 edge Bars total. One set works with all size Photons/Edge Bars. Includes all hardware neccessary to mount 2 Edge Bars to your Photon- 2...

    $49.99
  • Finnex Stingray 3.0 18" Aquarium LED Light - 12W Finnex Stingray 3.0 18" Aquarium LED Light - 12W Finnex Stingray 3.0 18" Aquarium LED Light - 12W Finnex Stingray 3.0 18" Aquarium LED Light - 12W Finnex Stingray 3.0 18" Aquarium LED Light - 12W

    Finnex

    Finnex Stingray 3.0 18" Aquarium LED Light - 12W

    Finnex Stingray 3.0 18" Aquarium LED Light - 12W 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...

    $48.99
  • Dalua Illumagic Vitamini Mounts - Rotatable Mount (Pair)

    DALUA

    Dalua Illumagic Vitamini Mounts - Rotatable Mount (Pair)

    Dalua Illumagic Vitamini Mounts - Rotatable Mount (Pair) 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...

    $45.95
  • Finnex StingRAY 2 - 16" LED Aquarium Light - Silver Finnex StingRAY 2 - 16" LED Aquarium Light - Silver Finnex StingRAY 2 - 16" LED Aquarium Light - Silver Finnex StingRAY 2 - 16" LED Aquarium Light - Silver

    Finnex

    Finnex StingRAY 2 - 16" LED Aquarium Light - Silver

    Finnex StingRAY 2 - 16" LED Aquarium Light - Silver The Finnex Stingray 2 Aquarium LED +Moonlights The Stingray 2 LED series features such a slim hood that it is nearly unseen atop an aquarium. The Stingray 2 offers nearly double the amount of LEDs of...

    $45.79
  • Dalua Illumagic Mounting Rails, 18 Inch

    DALUA

    Dalua Illumagic Mounting Rails, 18 Inch

    Dalua Illumagic Mounting Rails, 18 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...

    $45.00
  • Hanging Kit for Kessil AP9X / AP700 fixture Hanging Kit for Kessil AP9X / AP700 fixture

    Kessil

    Hanging Kit for Kessil AP9X / AP700 fixture

    Hanging Kit for Kessil AP9X/AP700 fixture The Hanging Kit allows the AP9 / AP700 to be hung from your ceiling or even within your canopy. The Hanging Kit comes with two 118" long hanging cables, two toggle bolts, and two tapping screws, allowing the...

    $45.00
  • Kessil Reflector-35 - Narrow Reflector For A360X & A500X Kessil Reflector-35 - Narrow Reflector For A360X & A500X Kessil Reflector-35 - Narrow Reflector For A360X & A500X

    Kessil

    Kessil Reflector-35 - Narrow Reflector For A360X & A500X

    Kessil Reflector-35 - Narrow Reflector For A360X & A500X The Reflector-35 further strengthens the light beam of the best-in-class A360 and A500 for further penetration and contrast. With an easy to attach magnetic design, the reflector increases the...

    $45.00