PRE-BUILT KIT · REEF · CORE
Waterbox MARINE X 90 Reef System
A full sump-driven reef on the MARINE X 90.3 — rimless ultra-clear glass, glass overflow and a real sump, with the skimmer, return and flow sized to match.
$3,396.00$3,995.00Save 15%
Priced 15% below the sum of its parts — the same as our top bundle tier, pre-matched and ready to run.

What's in the kit
11 components, every one chosen to work together and sized to the tank.
Display + StandMARINE X 90.3$2299
LightingSaltwater LED Lighting System (SLED)$160
Return PumpIceCap EVO-3000 DC Return Pump$199
FlowIceCap 2K Gyre Flow Pump$194
Protein SkimmerReef Octopus Elite 150 INT Protein Skimmer$799
HeaterSicce Scuba 200W Heater$70
Auto Top-OffTunze Osmolator Universal 3155 ATO$160
Salt MixRed Sea Coral Pro Salt$70
Rock & SandCaribSea LifeRock (per lb)$4
Test KitRefractometer$25
FoodVitalis Marine Pellets Fish Food$15
Why this kit
MARINE X 90.3 rimless system: glass overflow, included sump and plumbing.
Protein skimmer and return pump sized to the system volume.
Flow, heat, automation and consumables matched for a mixed reef.
Best for
A reefer ready for a proper sump build on a showpiece Waterbox MARINE X.
COUNSEL
"We'll talk you out of overbuying. Trust is the actual product."
— the rule every product page is written by
Have a reefer check your buildYOU SAY"Can I change a part of this kit?"
WE SAYYes — hit 'Customize in the Build Studio' and swap any slot. The kit is just our best-matched starting point.
YOU SAY"Is the kit price really the best deal?"
WE SAYIt's 15% below the sum of the parts — our top bundle tier — applied automatically when you add the kit to your cart.