Heaters · Cobalt Aquatics
Cobalt Aquatics Cobalt Neo-Therm 400W Submersible Heater fit check
Cobalt Aquatics Cobalt Neo-Therm 400W Submersible Heater Heaters specs, fits roughly 75-150 gallon systems, compatibility math, risks, alternatives, and vendor-neutral buying links.

Category
Heaters
Build tier
Balanced
Estimated price
$120
Tank fit range
fits roughly 75-150 gallon systems
Format
Thin Profile Heater
Heater wattage
400 W
Compatibility math
Safe wattage band
2.5 <= total watts / display gallons <= 5.0
Example: 400W is usually a planning fit for roughly 80-160 gallons before room-temperature and redundancy choices.
ReefCrafter checks both the low-wattage failure and the oversized stuck-on failure.
Risk notes
- A single oversized heater can cook livestock faster than a beginner notices the problem.
- High wattage should be split or controller-protected on most reef systems.
Full spec snapshot
- Category
- Heaters
- Build tier
- Balanced
- Estimated price
- $120
- Tank fit range
- fits roughly 75-150 gallon systems
- Format
- Thin Profile Heater
- Heater wattage
- 400 W



