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Get 10% discount

Showing 409 - 432 of 547 products

Ultum Nature Systems (UNS) 45A All-In-One (AIO) (Non-Dual AIO) 9 Gallon (Black Filter Wall) Lid

$99

Ultum Nature Systems (UNS) 45C Cube 22.8 Gallon Lid

$149

Ultum Nature Systems (UNS) 45L Long 3.8 Gallon Lid

$89

Ultum Nature Systems (UNS) 45S Shallow 5 Gallon Lid

$109

Ultum Nature Systems (UNS) 45T Tall 11.3 Gallon Lid

$109

Ultum Nature Systems (UNS) 45U All-In-One (AIO) Standard 9.3 Gallon Lid

$99

Ultum Nature Systems (UNS) 45U Standard 9 Gallon Lid

$109

Ultum Nature Systems (UNS) 50C Cube 30.9 Gallon Lid

$169

Ultum Nature Systems (UNS) 50C Cube 33 Gallon Lid

$169

Ultum Nature Systems (UNS) 5N Nano 4 Gallon Lid

$89

Ultum Nature Systems (UNS) 5S Shallow 2 Gallon Lid

$89

Ultum Nature Systems (UNS) 5T Tall 5.4 Gallon Lid

$89

Ultum Nature Systems (UNS) 60A (Black Filter Wall) 20 Gallon Dual All-In-One (AIO) Lid

$129

Ultum Nature Systems (UNS) 60C Cube 57 Gallon Lid

$219

Ultum Nature Systems (UNS) 60L Long 6 Gallon Lid

$109

Ultum Nature Systems (UNS) 60S Shallow 10 Gallon Lid

$149

Ultum Nature Systems (UNS) 60T Tall 24.3 Gallon Lid

$149

Ultum Nature Systems (UNS) 60U Standard 20 Gallon Lid

$149

Ultum Nature Systems (UNS) 75P Standard 36 Gallon Lid

$209

Ultum Nature Systems (UNS) 75P Standard 40.1 Gallon Lid

$209

Ultum Nature Systems (UNS) 75S Shallow 26 Gallon Lid

$209

Ultum Nature Systems (UNS) 90B Long 12 Gallon Lid

$149

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Let customers speak for us

from 106 reviews

Great way to top off your aquarium!
Best tip I seen, looks awesome on top of my Red Sea Reefer!!
Thanks Kraken!!

Jim Dougherty

Kraken Reef

09/20/2025

Waterbox 20 gallon cube

The lid fit the tank perfectly and room in the back for cables to slip in underneath without the need for cutouts. Looks great.

George C.

Blown Away

As an experienced reefer I understand the importance of a lid. Recently I purchased a new Red Sea MAX NANO G2 XL. I read many lid reviews. The Kraken Reef lid was intimidating because of the price. I was skeptical. After reading reviews for my specific lid, I took the plunge and ordered the lid with Premium Feed. From the moment I made the purchase until delivery, the communication was fantastic. However, when the lid arrived, I was truly impressed, and at 70 years old, that is a big deal! The quality, the attention to detail, and the appearance were beyond expectation. Not only did it fit perfectly, it has ended the salt creep from previous tanks. I'm a huge fan!

John

Best ever

I brought 2 diamond goby both jump out now that got this lid had new diamond goby for 2 weeks now love this thank you Kracken

Darrell D.

All promises were kept

Great cover. I couldn't use more cut out but that's on me
Still works and looks great

David Mallon

09/19/2025

Absolute king of the aquarium lids!!!

I can’t even tell you what a great job Kraken Reef did on this lid. I’m beyond impressed with the quality of work!!!! Will be a customer for life.

Anonymous

What a cover

I am beyond excited with my water box 150.4 cover made by kraken it’s sturdy got the cutouts exactly where we wanted them and it’s easy to clean

Buddytheplumber

Reef Aquarium Cover

The tank cover is beautiful, high-quality craftsmanship.
I would highly recommend this vendor.

Michael

Kraken lid for 20 gallon waterbox

Great website, easy to order. Quickly received. Fantastic product.

Perfect

I got a standard lid with a cover and feed port for my Fluval 13.5 and my Innovative Marine peninsula 20. Honestly makes the tanks look better and with a cleaner profile. Even the fish know now whenever i reach for the feed hole cover it's dinner time, and they only react when you reach for that, it's soooo coooool, PLUS the added benefit of no carpet surfing AND less evaporation.
THANK YOU KRAKEN REEF
Peace of mind, less effort and stress, and more fish keeping
(Did i mention the build quality and fit is absolutely immaculate, AND I get to support vets?! Get outta here, now tempted to get a new tank just for that)

Perfect fit for my WB Cube 20

This was a perfect fit for my Waterbox Cube 20. This is is cut to make a tight seal all around the top of the tank. Looking to buy another for Waterbox 85.3.

T.M.

Great top screen

This screened top is a big upgrade from my dyi top. It fits perfectly and should last forever

Great lids

I have Kraken lids for both my tanks. They’re easy to customize and work great.

Luke

Perfection

I tried a few other cheaper solutions before settling on Kraken Reef, but they are 100% worth the cost. The lids are extraordinarily precise and KR is incredibly flexible with what they are able to do. They look great and there's not a rough edge to be found.

The process is very easy and they respond very quickly. I had a lid that didn't fit when it arrived; I was certain I had measured incorrectly. But when I reached out to them (asking the best way to modify it), they acknowledged that they had made a mistake and offered to send a new one.

tl;dr if you want a secure, custom lid, you can't get much better than these.

Kendra

Fits perfectly

Have an IceCap 20 AOI. Lid fits perfectly. Easy to remove and reinstall when needed. Feeding hole is convenient too

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Let customers speak for us