Lighting in fish tanks isn’t just for aesthetics purposes. It does so much more than showing and glimmering your work in the dark.

A proper lighting system for your fish tanks is extremely important if you want your fishes, plants and other aquatic species to flourish. Proper light, just like a good diet, gives them proper nutrition and growth boost for a healthier and more vivid life.

But with all said and done, the truth is, finding good aquarium lighting isn’t all that easy, be it for freshwater plants or saltwater corals. On our quest to find a worth lighting system, we came across many great contenders, but the Kessil Tuna Blue A80 LED Light has definitely caught our eyes.

The Kessil Tuna Blue A80 LED Light has been getting a lot of love from aquarists lately. And we want to found out why! Will it make the cut? Or will fall short. Let’s find out!

Kessil: Tuna Sun Vs Tuna Blue

We know Kessil has two separate series of lights – Tuna Sun and Tuna Blue. Though the models are same (like Kessil A80 or A160) for both Tuna Sun and Tuna Blue but they are created for completely different purpose. The kelvin rating for Tuna Sun is 6000k – 9000k, which makes it great for freshwater aquatic plants growth.

On the other hand, Tuna Blue is specially crafted for reef aquariums to excel coral growth. Today our focus is on Kessil A80 Tuna Blue. It has exactly half the intensity of Kessil A160 and targeted towards smaller size reef tanks.

The Kessil A80 Tuna Blue Review

At a glance: The Kessil Tuna Blue A80 LED Light

Alright, let’s start with first impressions. The Kessil Tuna Blue A80 LED Light is a lighting system for your aquarium. It has the main light head which includes all the controls on top it the head. Very convenient and comfortable to use and adjust.

What’s also nice is the Kessil Tuna Blue A80 LED Light comes with a passive cooling system which prevents overheating. You also get a mini gooseneck mounting attachment to hold the light head, or the Kessil Tuna Blue A80 LED Light, in place. Very lightweight, super compact and pretty subtle looking too.

It comes in an entirely black body and the design and construction looks very contemporary. So far so good. Now let’s dig into the more important features!

The Kessil Tuna Blue A80 LED Light Head


The Kessil Tuna Blue A80 LED Light head is a small and petite little thing. It has a circular shape and measures 12 cm in diameter and 2.5 cm in thickness. The main part of this head, the LED light, sits in the center of the head, and on top of the head you have the controls.

You have button for output, and a button for input. Beside them, you will find control knob for color and one for intensity. One really nice thing about the Kessil Tuna Blue A80 LED Light is it’s cooling feature. No, it doesn’t have a built-in fan or cooler. What is does have is a very smart design which includes the use of powder-coated aluminum, which keeps the heat and overheating at bay.

Now, a little more about the LED light itself. The LED light uses 5 individual LEDs arranged in a tightly packed cluster less than 10mm across, and also comes with secondary lens. As a result of this, the light output is absolutely opaque and stunning.

You get no disco effect whatsoever, and it glitters through the water like magic. You can obviously also adjust the color and intensity to bring out the best of this lighting system and make it adapt to your mood and ambience. Mind you, as a result of the intensity and color adjustability, you also end up controlling the temperature.

Light Distribution

The gooseneck mounting attachment of the Kessil Tuna Blue A80 LED Light will stand at about 15 cm from the bottom. The spread and distribution of the light is nice and potent, but we’d also have to say that it wouldn’t work on med to large sized tanks. The light distribution and spread is more suited to small and nano aquariums with less demanding corals. Absolutely fine for softies or LPS.


  • Lightweight and compact
  • Has controls; very adjustable
  • Swiveling gooseneck mounting attachment
  • Intense light output
  • Passive cooling


  • No PAR readings
  • Not intense enough for large or deep tanks

Frequently Asked Questions (FAQs)

Would you recommend the Kessil Tuna Blue A80 LED Light for a tank that is 20 inches long and 18 inches deep?

Yes, absolutely! However, we’d highly recommend that you get 2 of these. 1 Kessil Tuna Blue A80 LED Light won’t do your tank justice.

What is the coverage of Kessil A80?

Well, it depends. You get can a coverage from 14 inches to 24 inches depending on the intensity you choose.

What is the power specs of the Kessil Tuna Blue A80 LED Light?

The Kessil Tuna Blue A80 LED Light runs on 100 to 240V AC (input) 24V (output). And the power consumption is 15W.

Will the gooseneck mounting attachment work on any sort of tank?

That’s a great question! The Kessil Tuna Blue A80 LED Light’s gooseneck mounting attachment is compatible with rimless tanks. But you can also use it with Euro bracing.

Does Kessil A80 feature any alarm or timer?

No timer or alarm is featured on the Kessil Tuna Blue A80 LED Light, but the specter controller does it all, anyway. You will need to purchase that separately, of course.

Final words

And that was our unbiased and honest review of the very popular Kessil Tuna Blue A80 LED Light system. So, what did we think of it? Well, there is absolutely no denying that the Kessil Tuna Blue A80 LED Light is a quality product. It is very high performance and does what it is made to do. No doubt there. Yes, there could have been a few adjustments made, like the PAR reading, maybe a timer, but we can’t complain. For that retail price and that sort of performance, we can’t complain at all! We like this stuff. Definitely recommend it for small fish tanks.

With this, it’s a wrap! Thank you so much for taking the time and reading along. We hope we were able to help you with everything you were looking for. We will be back again with yet another product review soon. Until then, take care!

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