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NextReef MR1 Media Reactor

NextReef MR1 Media ReactorThe MR1 family of Media/Substrate Reactors feature a massive 4-inch reaction chamber.  The extra wide design maximizes water to media contact, increasing efficiency and minimizing dead zones in the reactor.

Next Reef Reactors have the largest capacities around, giving you the ability to run large amounts of media, or multiple products simultaneously.  They're ozone-safe, and perfect for phosphate control, de-nitrification or fluidized sand filtration.

MR1 Media Reactor:
  • Recommended Tank Size: 250 gallons Marine/500 gallons Freshwater
  • Height: 16” Overall Height/14” Reaction Chamber (405mm/355mm)
  • Width: 6” Overall (150mm)
  • Reaction Chamber: 14” x 4” (355mm x 100mm)
  • Total Capacity: 155 cubic inches/.68 gallons/86 fluid ounces/2.6 litre
  • Inlet/Outlet: 1/2” 90 Degree Barb Fittings - fits standard 1/2” ID tubing

Every NextReef Reactor is hand-crafted in the USA from the highest quality materials, and CAD engineered/CNC cut for a precise fit.

Item #729258 includes pump and fittings


Check out the Solid Media Reactors SMR1 for use with Biopellets!
Item # Description Price Add to Cart
729257NextReef MR1 Media Reactor$89.00 Add to Cart
729258NextReef MR1 Media Reactor W/ pump & fittings$109.00 Add to Cart
729261NextReef MR1 replacement sponges$6.50 Add to Cart
729262NextReef MR1 Replacement O-Rings$6.50 Add to Cart

NextReef MR1 Monster Media Reactor

NextReef MR1 Monster Media ReactorThe MR1 family of Media/Substrate Reactors feature a massive 4-inch reaction chamber.  The extra wide design maximizes water to media contact, increasing efficiency and minimizing dead zones in the reactor.

Next Reef Reactors have the largest capacities around, giving you the ability to run large amounts of media, or multiple products simultaneously.  They're ozone-safe, and perfect for phosphate control, de-nitrification or fluidized sand filtration.

MR1 Monster:
Recommended Tank Size: 600 gallons Marine/1200 gallons Freshwater
Height: 23” Overall Height/21” Reaction Chambers (585mm/535mm)
Width: 12.5” x 6” (325mm x 150mm)
Reaction Chamber: 21” x 4” (Dual) (535mm x 100mm)
Total Capacity: 465 cubic inches/2.0 gallons/255 fluid ounces/7.6 litre
Inlet/Outlet: 1/2” 90 Degree Barb Fittings - fits standard 1/2” ID tubing

Every NextReef Reactor is hand-crafted in the USA from the highest quality materials, and CAD engineered/CNC cut for a precise fit.
Item # Description Price Add to Cart
729259NextReef MR1 Monster Media Reactor$199.00 Add to Cart
729262NextReef MR1 Replacement O-Rings$6.50 Add to Cart
729261NextReef MR1 replacement sponges$6.50 Add to Cart

NextReef MR1 Shorty Media Reactor

NextReef MR1 Shorty Media ReactorThe MR1 family of Media/Substrate Reactors feature a massive 4-inch reaction chamber.  The extra wide design maximizes water to media contact, increasing efficiency and minimizing dead zones in the reactor.

Next Reef Reactors have the largest capacities around, giving you the ability to run large amounts of media, or multiple products simultaneously.  They're ozone-safe, and perfect for phosphate control, de-nitrification or fluidized sand filtration.

MR1 Shorty Media Reactor:
  • Recommended Tank Size: 100 gallons Marine/200 gallons Freshwater
  • Height: 8.5” Overall Height/7” Reaction Chamber (215mm/180mm)
  • Width: 6” Overall (150mm)
  • Reaction Chamber: 7” x 4” (180mm x 100mm)
  • Total Capacity: 77 cubic inches/.34 gallons/43 fluid ounces/1.6 litre
  • Inlet/Outlet: 1/2” 90 Degree Barb Fittings - fits standard 1/2” ID tubing

Every NextReef Reactor is hand-crafted in the USA from the highest quality materials, and CAD engineered/CNC cut for a precise fit.
Item # Description Price Add to Cart
729264NextReef MR1 Shorty Media Reactor$69.99 Add to Cart
729261NextReef MR1 replacement sponges$6.50 Add to Cart
729262NextReef MR1 Replacement O-Rings$6.50 Add to Cart

NextReef MR1 XL Media Reactor

NextReef MR1 XL Media ReactorThe MR1 family of Media/Substrate Reactors feature a massive 4-inch reaction chamber.  The extra wide design maximizes water to media contact, increasing efficiency and minimizing dead zones in the reactor.

Next Reef Reactors have the largest capacities around, giving you the ability to run large amounts of media, or multiple products simultaneously.  They're ozone-safe, and perfect for phosphate control, de-nitrification or fluidized sand filtration.

MR1 XL Media Reactor:
  • Recommended Tank Size: 375 gallons Marine/750 gallons Freshwater
  • Height: 23” Overall Height/21” Reaction Chamber (585mm/535mm)
  • Width: 6” Overall (150mm)
  • Reaction Chamber: 21” x 4” (535mm x 100mm)
  • Total Capacity: 230 cubic inches/1.0 gallons/127 fluid ounces/3.8 litre
  • Inlet/Outlet: 1/2” 90 Degree Barb Fittings - fits standard 1/2” ID tubing

Every NextReef Reactor is hand-crafted in the USA from the highest quality materials, and CAD engineered/CNC cut for a precise fit.
Item # Description Price Add to Cart
729263NextReef MR1 XL Media Reactor$119.99 Add to Cart
729262NextReef MR1 Replacement O-Rings$6.50 Add to Cart
729261NextReef MR1 replacement sponges$6.50 Add to Cart

NextReef SMR1 Solid Media Reactor

NextReef SMR1 Solid Media ReactorEvolved from the MR1 Media/Substrate Reactors, the NextReef SMR1 fills a specialized role while retaining the quality and ease of use you’d expect from a NextReef reactor.  Two sizes are available. The SMR1 is 16” tall overall, with a 14” reaction chamber, and the SMR1 XL is 23” overall with a 21” reaction chamber.
The NextReef SMR1 is based on our standard MR1 media/substrate reactors, but with some significant changes...

  • Cast blue acrylic for the main body. Made specially for NextReef, it’s both thicker and stronger than our standard tubing. The translucent blue color also serves an important purpose - it keeps out light to reduce algae and optimize beneficial bacterial growth. They’re great in lighted sumps, or anywhere light exposure is a concern.
  • Modified internal plenum assembly. Our original design works great with sponges and small media - the SMR1 eliminates the sponges to reduce maintenance.  Since BioPellets and Zeolithic media are designed for long term use, reducing maintenance fosters system stability.
  • Higher flow rates and reduced head pressure. The SMR1 comes set up to use larger fittings than our original reactors, so it flows more water with less restriction.  The NextReef SMR1 flows enough water to easily fluidize larger media.

The SMR1 features plenums laser-cut from 3/16” acrylic.  They’re thick, they’re heavy, they’re strong... and they flow great.

Every NextReef Reactor is hand-crafted in the USA from the highest quality materials, and CAD engineered / CNC cut for a precise fit.
Item # Description Price Add to Cart
729267SMR1 SOLID MEDIA REACTOR$129.99 Add to Cart
729268SMR1 XL SOLID MEDIA REACTOR$169.99 Add to Cart
729262NextReef MR1 Replacement O-Rings$6.50 Add to Cart
729261NextReef MR1 replacement sponges$6.50 Add to Cart

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