Professional 5-Chamber Filtration System for Reef Aquariums Upgrade your reef aquarium with a custom acrylic sump system, designed for both performance and aesthetics. Our sumps are engineered to provide efficient filtration, organized equipment placement, and a clean professional look for serious reef hobbyists. Each unit is handcrafted and custom-built to match your aquarium size and filtration needs. Key Features Premium Acrylic Construction Our sumps are made entirely from high-quality acrylic, offering: Crystal-clear appearance Smooth and glossy finish Stronger structure and long-term durability Compared with PVC foam board, acrylic provides a much more premium look and higher structural strength, making it the preferred material for high-end reef systems. Reinforced Internal Partitions The internal partitions use laminated glass panels, providing superior rigidity and reliability. Benefits include: Stronger structural support No glue separation over time No deformation under long-term use Optimized 5-Chamber Filtration Design Our professionally designed five-chamber sump layout allows efficient filtration and equipment organization. Typical sections include: Filter sock / mechanical filtration chamber Protein skimmer chamber Refugium / media chamber Bubble trap section Return pump chamber This layout helps maintain stable water flow and cleaner filtration performance. Customization Options We offer full customization to fit your reef system: Custom sump sizes Multiple color options Customized chamber layouts Designed to match different aquarium systems Contact us to discuss your custom sump design. Production Time Because each sump is handmade and custom-built, the typical production time is: 7–15 days Due to handcrafted manufacturing, a tolerance of ±5 mm may occur. Shipping Information Shipping cost is not included and will be paid by the buyer. When the package arrives, please open the box together with the courier and record a video while inspecting the product. If the product is damaged: Refuse the package immediately Do not sign for the delivery Once signed, the shipping company will consider the product accepted. Custom Order Policy Because this product is custom-made, once production has started: Orders cannot be modified Returns or exchanges are not accepted Shipping Policy Custom products are shipped within 7–15 days after production. The price showing is a deposit. The price listed is a deposit. The balance and shipping costs will be collected after shipment.