UNS 90U Rimless Aquarium
UNS_90U_120U_RIMLESS
Representative variant: UNS 90U. A premium rimless aquarium from Ultum Nature Systems built with 91% clarity low-iron Diamant glass, 45-degree mitered edges, and high-performance German silicone seams. It holds 74.5...
Or build it into a bundle — save up to 6% ↓What it is, and who it is for.
Representative variant: UNS 90U. A premium rimless aquarium from Ultum Nature Systems built with 91% clarity low-iron Diamant glass, 45-degree mitered edges, and high-performance German silicone seams. It holds 74.5 gallons (282.2 L) at 35.43" x 22.04" x 22.04" with 10mm glass, using Golden Ratio proportions for aquascaping depth.
Build around the UNS 90U Rimless Aquarium.
It's already in your system below. Add the flow, filtration and dosing around it and the discount starts working — tiers climb as the build grows, and the reef meter fills with it.
Pick the right one, not the biggest one
The honest line-up from planted aquariums. Most buyers reading this page should buy the middle column.
ADA Cube Garden Mini M Aquarium
UNS 90U Rimless AquariumAsked before checkout
The questions our support inbox actually gets.
Does it ship quickly?+
Orders placed before 2 PM ET on a business day leave the same day. Tracking is emailed the moment the label prints.
What if it's the wrong fit for my tank?+
Return it. 30 days, no restocking fee, refund to the original payment method. Better: tell us your tank first and we'll spec the system for free — half of all returns are sizing problems.
Who handles the warranty?+
We do. Everything carries the manufacturer's warranty and we run the claim for you — one email to us instead of a ticket queue.
How does the bundle discount work?+
Add items in the bundle builder: 2+ items saves 5%, 3+ saves 8%, 4+ saves 12%, and 5+ saves 15% off the whole system, applied at checkout.