Tanks · Red Sea
Red Sea Reefer Peninsula 350 G2+ System (73 Gal) fit check
Red Sea Reefer Peninsula 350 G2+ System (73 Gal) Tanks specs, fits roughly 73-73 gallon systems, compatibility math, risks, alternatives, and vendor-neutral buying links.

Category
Tanks
Build tier
Balanced
Estimated price
$2,899 est.
Tank fit range
fits roughly 73-73 gallon systems
Format
Sumped Reef Ready
Display volume
73 gal
Compatibility math
Downstream requirements
tank gallons drive heater watts, flow GPH, skimmer rating, and light spread
Example: 73g points to about 185-365W of heat and 2,190 GPH mixed-reef flow.
The tank is the constraint every other component has to satisfy.
Risk notes
- A tank can look affordable until you account for the light spread, skimmer room, stand access, and upgrade path it forces.
- Price is marked as estimated, so verify current vendor pricing before treating the budget as final.
Full spec snapshot
- Category
- Tanks
- Build tier
- Balanced
- Estimated price
- $2,899 est.
- Tank fit range
- fits roughly 73-73 gallon systems
- Format
- Sumped Reef Ready
- Display volume
- 73 gal
Similar fit checks

Tanks
Red Sea Reefer 350 G2+ System (72 Gal)
Red Sea · $2,239

Tanks
Waterbox INFINIA Frag 125.4 Aquarium System (78 gallons)
Waterbox Aquariums · $3,119

Tanks
Waterbox MARINE X 110.4 Aquarium System (79 gallons)
Waterbox Aquariums · $2,649

Tanks
Waterbox AIO 65.4 Aquarium System (65 gallons)
Waterbox Aquariums · $2,049