Cobalt Aquatics
Cobalt Aquatics Neo-Therm 100W
$49.12
Best Aquarium Heaters · head-to-head
A sourced, side-by-side comparison. Cobalt Aquatics Neo-Therm 100W is cheaper at $49.12. Every spec and price links to its source.
Cobalt Aquatics
$49.12
Orlushy
—
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | | |
|---|---|---|
| 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 2026-08-16). Orlushy 300W: reviewaqua.com (verified 2026-08-16).
Where the two actually differ on the specs we track (3 of 8). Matching specs are omitted.