IceCap 20 Gal All-In-One Cube Aquarium

The IceCap 20 Gal All-In-One Cube Aquarium is a premium nano-reef ready cube featuring low-iron glass for crystal-clear viewing. With dimensions of 18″ × 18″ × 16.7″ (L × W × H) and a fully integrated filtration system— including a built-in return pump, mesh pre-filter sock, and customizable media chamber — this aquarium balances sleek aesthetics with high performance. Ideal for both marine reef and planted freshwater setups, it offers a compact, high-end platform in a 20-gallon package.

Why You’ll Love It:

• Spacious 18″ × 18″ footprint fits nicely in many spaces while maximizing display volume

• Low-iron glass ensures minimal green tint and sharp clarity

• Integrated filter compartments streamline equipment and keep the display clean

• Includes built-in return pump and pre-filter sock to reduce upfront setup time

• Perfect for nano-reef or advanced freshwater applications where both form and function matter