Cobalt Aquatics
Cobalt Aquatics Neo-Therm 100W
$49.12
2 sellers$49.12–$102.97read
Best Aquarium Heaters · head-to-head
Cobalt Aquatics Neo-Therm 100W vs Orlushy 300W
A sourced, side-by-side comparison. Cobalt Aquatics Neo-Therm 100W is cheaper at $49.12. Every spec and price links to its source.
Orlushy
Orlushy 300W
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec |  Cobalt Aquatics Neo-Therm 100W |  Orlushy 300W |
|---|---|---|
| US price | $49.12 | — |
| Brand | Cobalt Aquatics | Orlushy |
| Released | — | — |
| Wattage (W) | 100 | 300 |
| Tank size range (gal) | up to 29 gal | 40-55 gal |
| Adjustable thermostat | Yes | Yes |
| Material | plastic | glass |
| Fully submersible | Yes | Yes |
| Temperature accuracy (°F) | ±0.5°F | — |
| Shatterproof guard | Yes | — |
| External controller | No | No |
Sources — Cobalt Aquatics Neo-Therm 100W: bulkreefsupply.com (verified 2026-10-07). Orlushy 300W: reviewaqua.com (verified 2026-08-16).
What's the difference between the Cobalt Aquatics Neo-Therm 100W and Orlushy 300W?
Where the two actually differ on the specs we track (3 of 8). Matching specs are omitted.
- Wattage (W): Cobalt Aquatics Neo-Therm 100W 100 vs Orlushy 300W 300
- Tank size range (gal): Cobalt Aquatics Neo-Therm 100W up to 29 gal vs Orlushy 300W 40-55 gal
- Material: Cobalt Aquatics Neo-Therm 100W plastic vs Orlushy 300W glass