A 20 gallon long sump is a versatile centerpiece for saltwater and reef tanks, offering space for protein skimmers, refugia, media reactors, and pumps. This guide highlights practical sump kits and accessories that fit the 20 gallon long footprint, helping hobbyists optimize filtration, water flow, and maintenance. The following selections emphasize adjustable water levels, modular design, and compatibility with popular 20 gallon long glass tanks. Use the quick reference table to compare core features and choose the setup that best matches your tank equipment and space requirements.
Quick product summary
- Adjustable filtration space for protein skimmers, refugia, media reactors, and more
- Customizable water height to match equipment needs and noise reduction
- Covers a range of DIY-friendly kits, refugium/baffle options, and rugged bases
- Includes essentials like baffles, sock holders, or lids where applicable
- Designed to fit Aqueon 20 gallon long glass tanks and similar internal widths
Product Overview and Selection Rationale
Choosing the right sump configuration involves balancing space, customization options, and noise control. The 20 gallon long format is popular because it offers ample configuration space without overwhelming a stand or cabinet. The selected products below emphasize adjustable water levels, modular baffle systems, and ease of installation to help hobbyists achieve reliable filtration with minimal disruption to existing tanks.
Adjustable Sump Baffle Kit For 20 Gallon Long Tanks
The Adjustable Sump Baffle Kit from LYL LEYOULAND is designed to maximize filtration space within a saltwater aquarium sump. It allows customization for a protein skimmer, media reactor, refugium, and other equipment. Water level is adjustable between 4 and 8 inches to accommodate various skimmer heights and flow designs. It is suitable for Aqueon 20 gallon long glass tanks, or tanks with an internal width around 11.8″ to 12.1″. Buyers should confirm there is a gap on both sides for glue and fittings before purchasing.
Bubblefin Refugium DIY Kit For 20 Gallon Long Sump
The Bubblefin DIY Kit focuses on chamber dividers suitable for a 20 gallon long sump. It targets a modular refugium and protein skimmer workflow, with a classic 40-breeder footprint inspiration for effective filtration. This kit supports a customizable refuge and media flow, enabling hobbyists to tailor filtration to their coral and fish needs.
Crawl Space DIY Sump Basin With Lid (20 Gallon)
This heavy-duty 20-gallon sump basin by Crawl Space DIY is designed for crawl spaces, foundations, and yard drainage, offering a perforated basin with a secure snap-on lid. While marketed for drainage, its robust 20-gallon capacity and secure lid can be repurposed as a sump component in DIY aquarium filtration projects, providing durable, moisture-resistant housing for pump systems below a stand or in a utility area.
FijiCube Baffle Kit For 20 Gallon Long DIY Aqueon Sump
The FijiCube Baffle Kit is designed to convert a 20 gallon Aqueon Long tank into a fully functional sump. It includes a filter sock holder and socks, silencers, multiple filter media trays, bio-foams, and bubble traps. The kit focuses on space customization for skimmers, refugia, and reactors, and aims to reduce noise with sock silencers while maintaining efficient filtration.
Fiji Cube Refugium Sump Baffle Kit (20 Gallon Long)
Designed for space customization, the Fiji Cube Refugium Sump Baffle Kit allows dedicated accommodations for protein skimmers, media reactors, refugia, and other equipment. Water height is adjustable from about 4.5″ to 8″, aligning with different skimmer requirements. The kit also emphasizes noise reduction via included filter sock silencers, helping to maintain a quieter sump operation on a 20 gallon long tank.
RA AquaTech Divider Kit For 20 Gallon Long Sump
The Acrylic Aquarium Divider Kit provides a flexible way to partition a 20 gallon long sump. It helps separate compartments for skimmers, media, and refugium. The kit is compatible with Aqueon 20 gallon long tanks and uses suction cups for secure attachment. It’s a straightforward option for hobbyists seeking a simple, adjustable divider solution without a full baffle overhaul.
ATOLS 2 Drum Spill Containment Platform, 20 Gal Sump
The ATOLS platform combines spill containment with sump utility in a 20 gallon capacity. While aimed at industrial storage, its compact, heavy-duty polyethylene construction offers a rugged base for DIY sump setups in small spaces. The platform helps manage overflow and provides a secure, stable surface for pumps and piping in a cabinet or utility area.
Wayne SPF33-1/3 HP Sump Pump
The Wayne SPF33 sump pump stands out for reliability and durability, featuring epoxy-coated steel and a thermoplastic body. An integrated vertical float switch supports automatic operation with a 9” ON level and 4” OFF level. Its top suction design reduces clogging and air locks, while a cast iron seal plate and ball bearings contribute to quiet, long-lasting performance in sump setups for 20 gallon long systems.
Buying Guide: Key Considerations for a 20 Gallon Long Sump
When selecting a sump for a 20 gallon long aquarium, consider space constraints, filtration needs, noise, and future expansion. The following points cover multiple perspectives and practical trade-offs to help buyers compare options effectively.
- Filtration goals: If you plan a dedicated refugium or a heavy protein skimmer load, prioritize kits with adjustable water height and flexible baffle layouts to fit tall skimmers or reactors.
- Space and compatibility: Verify tank inner width (roughly 11.8″ to 12.1″ for common 20 gallon longs) and ensure there is room for glue, fittings, and a lid if needed. Some kits are designed around specific tank brands; confirm compatibility with your model.
- Noise and vibration: Sock silencers and well-sealed baffles decrease noise from water flow. If the sump sits in a living area or near a workspace, prioritize noise-reducing features.
- Ease of installation: DIY kits with clear mounting instructions and pre-fabricated components reduce setup time. Look for components such as filter sock holders, bubble traps, and adjustable baffles for simpler assembly.
- Durability and materials: Plastic basins and poly components should resist chemical exposure and wear from constant submersion. Heavy-duty options suit crawl-space or garage installations, while aesthetic considerations matter for visible displays.
- Maintenance: Consider how easy it is to access pumps, filters, and socks for cleaning. Removable lids and accessible compartments simplify routine maintenance.
- Noise reduction vs. cost: Silencers and multiple compartments tend to raise price. Balance the budget with your tolerance for noise and the complexity of your filtration design.
- Upgrade path: If you foresee adding more equipment, choose a sump with modular compartments and additional rail or tray space for future expansion.
Recommended configurations by hobbyist needs
- Reef-focused: Prioritize an adjustable water height, refugium space, and a robust skimmer chamber to handle higher bioload and nutrient export.
- Airline-friendly DIY: Choose kits with clear divider options and sock holders for easy customization without complex glue work.
- Low-noise apartment setup: Favor sock silencers and bubblers that reduce splash and flow noise for a quiet sump environment.