We understand that not everyone is looking to go all out with fish tanks and aquariums. Some people may prefer something small and more manageable.

We totally get it. But the thing with nano aquariums is that they are severely compromised in terms of quality and features. Our quest to find a nano fish or reef tank that’s both convenient yet feature-packed, we stumbled upon one very eye-catching candidate: the Red Sea Max Nano Aquarium.

The Red Sea Max Nano Aquarium is very well sung of by its users, as far as we have seen. But just looking and sounding good isn’t enough with these things.

You need a more personal and unbiased opinion and inspection. And that’s exactly what we’re going to do for you today.

Stay with us as we walk you step by step through the Red Sea Max Nano Aquarium. Will it make the cut? Let’s find out!

Red Sea Max Nano Review

At a glance: The Red Sea Max Nano Aquarium

Alright, we will admit and confess: one of the first reasons why this aquarium stood out from the rest is because of the looks.

Well, take a look at it yourself! It’s absolutely stunning. So basic and minimal and simple, yet so gorgeous and elegant at the same time.

It comes in black and has a rimless design which not only adds to the look, but also gives you more surface area to look at.

It is a rectangular fish tank and it comes with its own light. Very simple and subtle. Definitely something you will want to keep if you are looking for a beautiful tank with minimal maintenance.


Now, it’s time to dive deep into the features.

Capacity and Size

The Red Sea Max Nano Aquarium is a 20-gallon fish tank. It is clearly not the most massive tank you can find, or the smallest goldfish bowl either. It measures 21.4 x 21 x 22 inches in dimensions and weighs a little less than 61 pounds.

For us at least, it’s the perfect starter size, and perfect for people looking for something a little more convenient. Great on top of stands or tables.


The glass used on the Red Sea Max Nano Aquarium is 88 mm in thickness and undeniably very clear and spotless. It is strong and feels reliable. Keep the water clean, and you won’t even feel like you have glasses on that aquarium…it’s so ridiculously clear!

Rear Sump Arrangements

Circulation Pump

The Red Sea Max Nano Aquarium uses the European Eco pump which provides 950 l/h (240gph) of water flow; circulating the entire water volume 12 times an hour through the filter system.

It also flows back to the aquarium through the eye ball nozzles that ensures that there aren’t any possible dead spots in the aquarium, which could create harmful detritus from building up on the corals.

Protein Skimmer

Next, you have the NANO skimmer which uses the Red Sea’s REEF-SPEC® criteria for SPS corals. It allows the passing of the entire volume of the aquarium water through the skimmer around 3 times per hour and with a 3:1 water to air ratio. This protein skimmer is built with a spine which allows it do its job like a horse without making much noise.

Media Shelf

Then you have the media shelf that is positioned to ensure a 100% positive water flow. It is supplied with 100g of Red Sea’s REEF-SPEC® carbon which is going to keep the aquarium water crystal clear for the first 2 months of operation.

Automatic Top-off

And then finally, in the rear sump, you have the Automatic Top-Off unit with a 1.5 liter or 0.4 gal freshwater reservoir which is conveniently hidden in the back. This machine is designed to be self-sufficient for up to 3 days! No more babysitting, folks.

What else?

Apart from all this, the rear sump also includes:

  • Control Unit for skimmer and circulation pumps
  • Rotatable rear pump screen
  • Marine spec cabinet

LED Lighting System

One of our most favorite features on the Red Sea Max Nano Aquarium has got to be its lightning system. The tank uses the latest AI Prime HD LED lighting which also comes with one of the most comprehensive user-interface.

You get Prime HD unit which allows a full spectrum, 7 color LED configuration with numerous lighting effects. What’s even cooler is that the lighting is completely controllable through built-in Wi-Fi which is compatible with iOS and Android devices.

We also like the turning head of the LED light which lets you swivel the light at or away from the tank.


  • Compact and light
  • Very stylish
  • Rear sump includes heaps of controls
  • Clear glass
  • Wifi-controllable LED lights
  • Quiet


  • None!

Some Alternatives You May Also Consider

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Frequently Asked Questions (FAQs) about the Red Sea Max Nano Aquarium:

Does the Red Sea Max Nano Aquarium kit come with a stand and a cover?

The stand is not included in the Red Sea Max Nano Aquarium kit. (Though there is another version where the stand is included.) It has to be purchased separately. Same for the cover.

How much of the capacity is dedicated to the rear filtration area?

That’s the great question. Out of the total 20 gallon, 3.5 gallons is for the filtration and the rest of for display.

Is there a heater included?

No heater is included in the purchase.

Final Words

There you have it, guys. Our take on the Red Sea Max Nano Aquarium! And let’s us just take a second to say that this nano aquarium is worth every penny you spend on it!

It is absolutely packed to the brim with features, has a fantastic design, is well-made and is obviously, very good looking.

We do think the addition of a few pieces like a cover or heater would have been nice, but HEY!.. . For that price and quality, we can’t complain. We highly recommend the Red Sea Max Nano Aquarium!

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