• Turnkey Reef Ready 50-gallon AIO saltwater aquarium with white cabinet stand, front view
  • Sea Cardinal 50-gallon turnkey reef tank kit — tank, stand and equipment
  • Sea Cardinal 50-gallon turnkey reef tank with white stand in living room
  • 50-gallon reef tank kit dimensions diagram
  • 4-inch filter sock for AIO reef tank filtration
  • Gyre wavemaker with controller included in Sea Cardinal turnkey reef tank kit
  • 395 GPH return pump for Sea Cardinal AIO reef tank kit
  • Automatic top-off (ATO) unit for reef tank — included in Sea Cardinal kit
  • Protein skimmer for Sea Cardinal AIO reef tank kit
  • Controllable DC return pump for Sea Cardinal reef tank kit
  • Hydrometer for measuring saltwater salinity — included in reef tank kit
  • Sea Cardinal branded collapsible measuring cups — free gift with reef salt
  • Graduated Bucket
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Sea Cardinal

Turnkey Reef Ready 50-Gallon AIO System

Turnkey Reef Ready 50-Gallon AIO System

$1,899.00 USD
$1,899.00 USD
Sale Sold out
Shipping calculated at checkout.
With RODI Filter?
With Polycarbonate Lid?
With 2x RL90 PopBloom Lights?

Turnkey Reef Ready 50-Gallon AIO System

The complete turnkey reef tank kit — a 50-gallon all-in-one saltwater aquarium with the tank, stand, and every piece of equipment in a single box.

What’s in the box:

  • 50-gallon low-iron glass AIO aquarium with built-in rear filtration
  • Matching white wooden cabinet stand
  • 395 GPH return pump plus a backup mixing pump
  • Gyre wavemaker for natural reef water movement
  • 100W controllable heater
  • Automatic top-off (ATO) — most kits make you buy this separately
  • Hydrometer, reef salt, and mixing bucket
  • Filter sock holder with media cup
  • Filter floss roll
  • 49-page Box to Reef setup guide and logbook

Just add rock, sand, and water. Free freight shipping anywhere in the continental US.

Unlike other all-in-one reef tanks that ship the tank and leave you to figure out the rest, every component here is matched to work together — no compatibility guessing, no extra runs to the fish store.

Whether this is your first saltwater aquarium or your fifth, the kit arrives ready. Questions about setup or stocking? Reach out anytime — you’ll talk to the person who designed the kit.

Optional add-on: AIO media rack for extra filtration media in the rear chamber.

Shipping & Warranty Info

What to Know Before You Order

Important shipping, inspection, and warranty details for your reef kit.

Freight Shipping
Free Freight with Liftgate Delivery

Tanks ship the same week via freight carrier with liftgate service included. Expect delivery within 1–2 weeks from your order date.

Important
Inspect Your Tank Before Signing

Please thoroughly inspect the tank and packaging for any damage before signing the shipment release from the courier driver. Damages must be reported before signing.

Protection
Shipping Protection & Extended Warranty Available

Add shipping protection and an extended warranty to your order directly in the cart before checkout for added peace of mind.

Warranty
Standard 1-Year Manufacturer Warranty Included

Every tank comes with a standard 1-year warranty against manufacturer defects at no extra cost.

View full details
Sea Cardinal Reef Ready Kit

Everything You Need to Start Your Reef

21 items included

Tank & Stand
50-Gallon Lagoon Tank
31.49″ × 23.62″ × 15.74″ · Low-Iron UHC Glass · 10mm Glass
Matching 50-Gallon Stand
31.49″ × 23.63″ × 31.49″ · Marine Grade Wood · Wire Management
Flow & Circulation
DC Controllable Return Pump
395 GPH Max · Variable Speed DC · Quiet · Energy Efficient
HSB-750 Backup Pump
264 GPH · Emergency Return or Saltwater Mixing Station
Controllable Slim Wavemaker
660 GPH · Slim Profile · Adjustable Flow Pattern
Filtration
Protein Skimmer
Needle Wheel Technology · DC Pump · Adjustable Air Intake
Filter Floss Roll
High-Density Media · Mechanical Filtration for Debris & Particulate
Media Cups & Holders ×2
2× Filter Media Cups · Carbon / GFO / Bio Media
Temperature & Automation
300W Controllable Heater
Quartz Heating Element · Dial Knob Control · Auto Shutoff
ATO System
Optical Sensor Technology · Automated RODI Top-Off · Stable Salinity
Consumables & Power
Premium Reef Salt ×2 Bags
2× 6.7 kg · Initial Fill + First Water Changes Included
Outlet Bar
Multi-Outlet Power Strip · Surge Protection for All Equipment
Tools & Equipment
Precision Glass Hydrometer
Easy-Read Salinity · Temperature Compensated
Graduated Mixing Bucket
Graduated Markings · Precise Saltwater Mixing for Water Changes
Glass Cleaning Scraper
Stainless Steel Blade · Long Handle · Safe for Glass Panels
Measuring Cup Set
Multiple Sizes · Precise Dosing of Additives & Salt Mixing
Fine Mesh Fish Net
Soft on Fish · Easy Catch Design
Mini Bucket with Lid
Water Sample & Coral Transport
Sea Cardinal Branded
Sea Cardinal Reef Glasses
Orange Lens · Enhances Coral Fluorescence Viewing
Sea Cardinal Microfiber Towel
Premium Microfiber · Grey with Sea Cardinal Logo
Sticker Pack
Assorted Fish & Coral Decals for Personalization
Optional Add-Ons
Polycarbonate Precision Lid
Crystal Clear · Precision-Cut Fit · Feed Port Access
PopBloom LED Lights
90W Full Spectrum · Wi-Fi Controllable · App Programming · Reef Optimized
200 GPD 5-Stage RODI Filter
200 Gallons Per Day · 5-Stage Purification · Pure Water for Top-Off & Mixing
Automatic Roller Mat
Fleece Roller · Built-In Timer · Automatic Advancement · Hands-Free Filtration

Sea Cardinal — Built for Reefers, by Reefers

50-Gallon Lagoon Kit Comparison

See how the Reef Ready 50 stacks up against the category.

The only 50-gallon lagoon kit with an ATO and backup pump in the box.

Complete life support in the box, plus reef salt — $1,899 with free freight liftgate delivery.

Get the Reef Ready 50 — $1,899

At a Glance

Sticker prices lie. This is what each kit really costs once it's reef-ready.

System Sticker price Freight Lowest true costTrue reef-ready cost*
Sea Cardinal Reef Ready 50 $1,899 $2,225 ✓ FREE liftgate $1,899
$2,259 with light + lid
IM Fusion Pro 2 50 Lagoon $1,400–$1,750 + freight ~$2,450–2,750
Waterbox AIO 50.3 Plus $1,599–$2,340 + freight ~$2,740–2,940

What's Actually in the Box

Included item Best valueSea Cardinal IM Pro 2 50 Waterbox Plus
Tank + stand✓ Yes✓ Yes✓ Yes
Return pump✓ Yes + backup✓ MightyJet DC✓ SYNCRA Silent 2.0
Backup pump✓ Yes——
Protein skimmer✓ Yes—✓ Shark 300
Wavemaker✓ Yes—✓ Nero 5
Heater✓ 300W—✓ 200W
ATO system✓ Yes——
Reef light✓ 2× PopBloom RL90
+$240 add-on		—✓ 2× AI Prime 16HD
Lid / screen✓ Polycarbonate
+$140 add-on		✓ SafeScreen✓ Mesh lid
Reef salt✓ 2 bags—✓ 2 bags
Media reactor / dosing kit——✓ Yes

True Cost to Get Reef-Ready

Lowest true cost

Sea Cardinal

$1,899

Base $1,899. With PopBloom lights + lid: $2,259 — still the lowest true cost. Only RODI left to add.

  • ATO included
  • Backup pump included
  • Skimmer, wavemaker, 300W heater included
  • 2 bags of reef salt included
  • FREE freight liftgate delivery

IM Pro 2 50

$1,400–$1,750 sticker

True cost: ~$2,450–2,750

  • Heater — buy separately
  • Wavemaker — buy separately
  • Skimmer — buy separately
  • ATO — buy separately
  • Light — buy separately
  • Salt — buy separately
  • Freight — charged at checkout

Waterbox Plus

$1,599–$2,340 sticker

True cost: ~$2,740–2,940

  • Lights, skimmer, wavemaker included
  • Salt included
  • ATO — buy separately
  • No backup pump
  • Freight — charged at checkout

Why Sea Cardinal Wins

  • The only 50-gallon lagoon kit with an ATO and backup pump in the box — two popular upgrades the others make you buy separately.
  • Complete life support in the box — skimmer, wavemaker, 300W heater, salt.
  • Free freight liftgate delivery — competitors charge freight on a 185 lb crate.
  • Lowest true turnkey cost: $1,899 base, or $2,259 with PopBloom lights and lid — vs ~$2,450+ for IM and ~$2,740+ for Waterbox once they're reef-ready.
  • No hidden surprises — lights, lid and RODI are clearly listed as add-ons.

Prices observed October 2026. Competitor pricing varies by retailer and configuration; freight is charged separately by competitors. True-cost figures are estimates. Sea Cardinal add-ons: 2x RL90 PopBloom lights +$240, polycarbonate lid +$140 (seacardinal.com). RODI filter also available.

Get the Reef Ready 50 — $1,899

Recommended additions

Complete your setup with these essentials

200 GPD RODI Filter 9% OFF

200 GPD RODI Filter

$194.99 $215.00
Automatic Roller Mat

Automatic Roller Mat

$199.95
Bag of reef salt

Professional Reef Salt Mix

$10.00

Frequently asked questions

Still have questions? Reach out — we're happy to help.

What's included in a Sea Cardinal turnkey kit?

Every kit ships with the low-iron glass AIO aquarium, a matching stand, return pump, backup mixing pump, wavemaker, heater, ATO, hydrometer, reef salt, and a mixing bucket. Rock, sand, and water are not included — everything else is. If you ever have a question about what's in your box, just reach out and we'll walk you through it.

Is shipping really free on kits?

Yes — freight shipping is included in the kit price anywhere in the continental US. There's no surprise charge at checkout. Free shipping over $100 applies to accessories; tanks and kits already have freight built into their price.

What does the warranty cover?

Your kit is covered against manufacturing defects — if a component fails under normal use, contact us and we will make it right with replacement parts or a fix, whichever gets your tank running fastest. Please note: the warranty does not cover damage that happens during shipping. To protect against that, add shipping insurance to your order at checkout.

I'm new to saltwater. Is a kit right for me?

That's exactly who our kits are built for. Everything is matched to work together, so there's no guessing about which pump fits which tank. Our free Box to Reef setup guide walks you through the whole process step by step, and we're happy to answer questions anytime.