ARC LINE sumps are built to order. Current lead time is approx. 3-4 weeks.

Custom specs and dimensions at a fraction of the cost with no quote process hassle. the ARC-7218 is a sleek, heavy-duty sump built for serious reef systems, Combining clean design, quiet operation, and smart functionality in one premium package. With a spacious layout and thoughtful features throughout, it is designed to keep your filtration efficient, organized, and easy to maintain. Available in 15" or 18" height and 10 unique color combos.

Dimensions: 72" L x 17.75"W x 15"/ 18"H

Tank usage: up to 300 gallons

Main / skimmer chamber: 22" x 17" 

Secondary chamber: 22" x 17"

Return chamber: 11.75 x 17" 

Adjustable water height: 6-10 inches

• Sleek minimalist design white or black body with colored accents

• Two layer 3/8" thick top rim for added strength

• Dual heater holder included 

• Flush drop in polycarbonate lids 

• Expandable inlet bulkhead array allows the inlet chamber to function with  1.5" or 2 " bulkheads ( actual bulkheads sold separately HERE) Sump supports 3 additional 1.25" bulkheads for return and accessories. 

• Submerged inlet for silent operation

• Recessed sock plate lowers sock rim below water level to prevent bypass. Sump holds two 7" socks

• No warp drop-in flush lid above socks reduces noise and splash

• Slotted relief above sock chamber allows overspill in the event of a clog without excessive noise and splash.

• Original design removable bubble trap allows sump to function with or without bubble trap for additional return chamber space. A standard adjustable wall plate is included for operation without the bubble trap. The bubble trap assembly contains a removable slide tray for media holding and is locked into your desired water level height with black nylon bolts and actual black nylon nuts. No more broken threads in tapped walls. No more hard-to-reach slim bubble trap areas near impossible to clean. This is a game-changer.

• Probe holder with rubber grommets isolates electrical noise for accurate readings

• Eight 5/8" ports for optional 1/4" dosing line push fittings

QUICK SPECS

• Dimensions: 72" x 17.75" x 15"/ 18"
• Main chamber: 22" x 17"
• Secondary chamber: 22" x 17"
• Return chamber: 11.75" x 17"
• Adjustable water level: 6-10"
• Inlets: (3) 1.5" or 12"
• Socks: 2x 7 inch
• Cord ports: (2)
• Dosing ports: (8)

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