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Reef gear designed in-house · Made in the USA

Reef-keepingmade easier.

We solve the everyday problems reefers run into — locking frag racks, glare-cutting light shades, mess-free feeders, modular filtration and custom-fit parts for your exact equipment — all designed and made in-house, then improved from what customers tell us.

  • 100% Reef-Safe Materials
  • Designed & Made in the USA
  • Trusted by 25,000+ Reefers

Just Dropped

New Products

Fresh out of the workshop — the latest gear for your reef.

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Our Signatures

Gear You Can't Get Anywhere Else

Our signature gadgets — problems we hit in our own tanks, solved in-house and improved with every release.

Our Signature Gadget

FragLoc™ — frags that stay put

The magnetic frag rack with our rubber-lock plug system. Snails bump it, flow hits it — your frags don't move. Remove any plug with a simple twist.

  • ✓ N52 waterproof magnets
  • ✓ Locks plugs up to 0.5" stems
  • ✓ 5 sizes, 5 colors
Explore FragLoc™
Our Signature Gadget

CaddyStack™ — filtration, organized

The modular filter tower that stacks exactly the media you run, in the order you run it. Expand it, rearrange it, rinse it in seconds.

  • ✓ Modular stacking system
  • ✓ Fits most sumps & AIOs
  • ✓ Add extensions anytime
Explore CaddyStack™
Our Signature Gadget

Acclimation Box — new fish, zero stress

Our best-selling acrylic acclimation box gives new fish and anemones a safe landing zone — no more day-one aggression or lost livestock.

  • ✓ Crystal-clear acrylic
  • ✓ Strong magnet mount
  • ✓ 4 sizes up to XL
Shop Acclimation Box

Fits Your Gear

Shop By Your Equipment Brand

Every accessory is designed for an exact fit. Type your brand below (or tap it in the list) and see everything that works with your setup.

New · Made for Neptune Systems

Trident Mini Pro Housing

A custom acrylic and PETG enclosure for the Neptune Systems Trident and Trident NP. The side panels are magnetic and lift off without tools for reagent changes, an included light shield keeps room light out of the testing chamber so your results stay honest, and two units stack if you run both analyzers. Housing only — the Trident itself is not included.

  • ✓ Stacks for Trident + Trident NP
  • ✓ Magnetic, fully removable panels
  • ✓ Includes 3 needle guides, 3 bottle rings and a light shield
  • ✓ 5.75" W x 11" D x 7" H
Shop The Housing

Free Tools

Get The Perfect Fit — Before You Buy

No more guessing, no more emails back and forth. Our free tools tell you exactly what fits your setup — instantly.

Live 3D Preview

3D Power Supply Configurator

Design a custom holder in real-time 3D. See your exact design, get an instant quote, order in one click.

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Instant Results

Holder Finder

Enter your power supply's dimensions and we'll instantly match it to a holder that fits perfectly.

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Free Design Help

Custom Orders

Have an idea we haven't made yet? Tell us what your tank needs and we'll design it with you.

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Reefer Reviews

Trusted In 25,000+ Tanks

Real reviews from real reef keepers — pulled live from Klaviyo.

  • Free Shipping $125+Fast US shipping
  • 100% Reef-SafeTank-safe materials
  • Made in the USAMade in-house in Chicago
  • 25,000+ ReefersReefer-approved gear