Mini Pond | 4 Gallon Desktop Aquarium
PNW Custom 4-Gallon Mini Pond
The PNW Custom 4-Gallon Mini Pond is a sleek, all-in-one glass aquarium designed for versatility — perfect as a planted freshwater tank, a saltwater macroalgae garden, or even a compact coral display. Crafted from 4mm ultra-clear glass, it delivers exceptional clarity, while the minimalist design highlights the beauty of whatever ecosystem you choose to showcase.
Macroalgae & Saltwater Potential
This desktop tank isn’t limited to freshwater. Its top-down filtration system and full-spectrum LED light make it an excellent choice for cultivating vibrant saltwater macroalgae. From bright reds and deep greens to flowing, textured growth, macroalgae transforms the Mini Pond into a living work of art. Pair it with hardy nano fish, shrimp, or even keep it as a dedicated macro display for a low-maintenance saltwater centerpiece.
Filtration System
The built-in top-down filtration simplifies maintenance while supporting a balanced ecosystem:
Mechanical Filtration: Sponge catches uneaten food and debris.
Chemical Filtration: Carbon helps polish and clarify water.
Biological Filtration: Highly porous ceramic media provides massive surface area for beneficial bacteria, ensuring long-term stability.
Included Accessories
Full-spectrum 5W LED light with flexible bracket (ideal for both plants and macroalgae)
Adjustable output return pump with directional nozzle
Clear polycarbonate lid to reduce evaporation and salt creep
Self-leveling foam mat for secure placement
Complete filtration media set (sponge, carbon, and biological media)
Highlights
Ultra-clear glass for a crisp, professional display
Designed for freshwater plants, saltwater macroalgae, or nano reef showcases
Top-down filtration saves space while maximizing display area
Compact size makes it perfect for desktops, counters, and small spaces
Whether you want a lush planted aquascape, a vibrant saltwater macroalgae garden, or a nano show tank, the PNW Custom Mini Pond delivers everything you need in one compact, elegant design.
Terms & Conditions
By purchasing this product, you agree that PNW Custom is not liable for any damages resulting from use. All returned items are subject to up to 20% restocking fees. In the case of the item deemed to be unsellable due to user error or damages, PNW Custom will refund up to 60% of item value. All Pre-Orders are final sales. Any cancelation prior to shipment will incur a 10% restocking fee.
Warranty
PNW Custom offers a 90 day 100% warranty on any equipment failures, manufacturer defects, and/or shipping damages. PNW Custom will provide a return label in the case of replacing equipment or parts. All warranties will be handled on a case by case basis, and are subject to void in the instance of misuse or damage from user error. All warranties will be void in the case of any non-approved accessories or modifications to the product.