If you are looking to set up a new aquarium, choosing the best lighting for a 75 gallon reef tank is vitally important for the health of your coral. There are many different types of lights available on the market today, and we know it can be difficult to decide which one would work best for your tank.
For SPS tanks we recommend that you get at least two AquaIllumination Hydra 64 HD LED Reef Lights (Buy Online). Otherwise, if you plan on keeping predominantly LPS coral then you can go with Two Kessil A360X Tuna Blue LED Lights (Buy Online)
Best Lighting for a 75 Gallon Reef Tank
Best Lighting for a 75 Gallon Reef Tank
AquaIllumination Hydra 64 HD LED Reef Light
The Hydra 64 HD LED Reef Light from AquaIllumination (Buy Online) has been designed with discerning reef keepers in mind, providing enhanced light output while using less energy than other fixtures on the market today.
This powerful yet efficient LED light has been designed to provide the ideal balance of PAR (photosynthetically active radiation) and coverage for a 75-gallon reef tank.
The AquaIllumination Hydra 64 HD LED Reef Light features 7 full-color channels plus 1 dedicated moonlight channel. And all together this light has 64+4 high power LEDs producing more usable PAR per watt than any other comparable fixture available today.
The Hydra 64 HD LED also uses advanced optics technology which allows for more even distribution of light throughout your entire tank – including those hard-to-reach areas.
Plus, this advanced LED fixture is specifically designed to be more compact than older AquaIllumination lights, with a thinner form factor that allows it to easily fit in any standard canopy.
Tip: If you choose to go with the AquaIllumination Hydra 64 HD LED Reef Light you’ll need to get at least two fixtures to properly illuminate a 75-gallon aquarium.
- Spread: 30″ x 30″
- Depth: 24″
- Mounting Height: 8-10″
Kessil Two A360X Tuna Blue LED Lights with WiFi Dongle & Two Mounting Arms
This set of Kessil Two A360X Tuna Blue Fixtures (Buy Online) is the best lighting for a 75 gallon reef tank if you plan on keeping mostly LPS corals.
The Kessil A360X Tuna Blue LED Lights support multiple modes including color control, acclimation, lunar cycle weather effects, and much more. And with a 90-watt output, each light can cover an expansive 30″ X 30” area.
Best of all, with this reef tank lighting kit, you will get everything you need to set up your new aquarium including two powerful Kessil X-Series lights (connected together with the included K-Link Cable), mounting arms, and a Wi-Fi Dongle.
Plus, you can use the free app to control both of these Kessil X-Series lights from anywhere in your house or from around the world as long as you have an internet connection.
Red Sea REEFLED 90 LED Light Fixture and RL90 Mounting Arm
The Red Sea REEFLED 90 LED Light Fixture (Buy Online) is a great choice for those looking to provide optimal light coverage in a 75 gallon reef tank. This lighting system features high-output recessed LED clusters that eliminate glare, two channels of control with moonlighting, and easy-to-use ReefBeat app compatibility.
The ReefBeat app lets you control the light intensity, color, and other day-night cycles. And the built-in WiFi connectivity in these light fixtures lets you use an iOS device or Android smartphone with the free Reefbeat app to adjust settings on the fly from anywhere.
The Red Sea REEFLED 90 LED Light Fixture has a 24″ x 24″ coverage area, and two of these lights will provide more than enough light for most LPS corals, and three fixtures will allow you to grow more demanding SPS coral.
If you want more information about what fish you can keep in a 75 Gallon Saltwater Tank (Click Here)
Eco Marine Tech RADION G5 LED Lighting PRO RADION XR15 G5
The Eco Marine Tech RADION G5 LED Lighting PRO (Buy Online) is the best lighting for a 75 gallon reef tank. Radions are the gold standard in aquarium lighting and below we’ll take a closer look at what makes this LED fixture so great…
First off, it provides 10 channels to give you fully customizable control over your reef tank lighting. It also features an even spread with 35% more output than conventional bulbs which means that it will provide better PAR values throughout your entire reef tank without hot-spots or dark spots.
Plus, the G5 features Mobius app control (Android & iOS) and optimized output from next-generation HEI Optics that provide smooth color mixing.
And the Eco Marine RADION G5 LED also has a redesigned fan and new heatsink that cools this Gen 5 more efficiently compared to the previous RADION G4 model.
Tip: We recommend you get at least two Eco Marine Tech RADION G5 Fixtures if you plan on keeping a reef tank packed with SPS coral.
Kessil A160WE Controllable LED Aquarium Light
Kessil A160WE LED Lights (Buy Online) are easy to hang above your fish tank without taking up too much space or requiring special installation skills. The lights have multiple channels so you can control color and intensity separately, which makes them perfect for beginners who want some flexibility in their light source while still learning about what works best for their particular tank inhabitants.
The best thing about this light is its versatility; it provides you with the ability to customize your setup based on what works best for your specific situation. And because of the patented Dense Matrix LED design, you’ll enjoy vibrant colors without any hotspots or shadows – just perfect shimmering light that will enhance the beauty of every living organism in your tank.
Tip: Each A160WE will cover a 12” x 24” area, when they are mounted at a height of 12” – 24” above the surface of the water.
Fluval Sea Marine 3.0 LED Aquarium Lighting for Coral Growth, 59 Watts, 48-60 Inches
The Fluval Marine 3.0 LED Aquarium Light (Buy Online) has been designed specifically with hobbyists in mind. We recommend Fluval Sea Marine 3.0 LED Aquarium Lighting for 75 gallon reef tanks that are housing mostly soft coral.
It has many advanced features including an adaptive color spectrum that supports strong coral growth, precise 24-hour light cycle settings, and customizable lighting options controlled through the mobile app on your smartphone or tablet device.
NICREW Aquarium LED Reef Light, Dimmable Full Spectrum Marine LED for Saltwater Coral Fish Tanks
NICREW’s Aquarium LED Reef Light (Buy Online) provides a full spectrum of light including red, blue, green, violet, and ultraviolet (UV) light at an affordable price point. This allows you to create the perfect environment for healthy coral growth while enhancing the color of the fish in your aquarium.
This light has a wide spread that covers up to 30″ x 30″, so it’s suitable for medium-large tanks with depths between 12″ – 48″. It also has smart temperature control features that ensure peak light output without overheating.
Most LED lights on the market today are designed for freshwater fish tanks but lack the critical features needed to create an ideal environment for coral reefs. These lights often have inadequate spread or insufficient intensity resulting in poor growth rates and coloration of corals.
While lights specifically made for reef tanks tend to be very expensive with prices ranging from $500-$800 per light.
The NICREW Aquarium LED Reef Light offers everything you need in a reef tank light at an affordable price point that won’t break your budget.
NICREW developed this advanced full-spectrum LED light specifically for saltwater aquarium enthusiasts that need an affordable high power light so they can grow beautiful, colorful corals while saving money compared to other LED fixtures on the market today.
75 Gallon Reef Tank Lighting Guide
75 Gallon Tank Dimensions
The dimensions of most standard-sized 75 gallon tanks are 48″ x 18″ x 22″.
What Size Light for a 75 Gallon Reef Tank
You will need at least two 90 watt LED light fixtures for a 75 gallon reef tank. Placing your lights high can help spread the light out more while placing them lower helps to focus the light for more demanding species of coral.
75 Gallon Reef Tank Lighting Requirements
75 Reef Tank Light Intensity
SPS dominant reef tanks need 200 – 300 PAR. While LPS tanks only need 50 – 150 PAR.
If you want to get an accurate PAR reading in your tank it’s a good idea can use a PAR Meter (Buy Online)