Cobalt Aquatics
Cobalt Aquatics Neo-Therm 100W
$49.12Cheaper
Best Aquarium Heaters · head-to-head
Cobalt Aquatics Neo-Therm 100W vs Aqueon Pro 100W
A sourced, side-by-side comparison. Cobalt Aquatics Neo-Therm 100W is cheaper at $49.12. Every spec and price links to its source.
Aqueon
Aqueon Pro 100W
$49.99
Which is better: the Cobalt Aquatics Neo-Therm 100W or Aqueon Pro 100W?
On the specs we track, they're closely matched. The Cobalt Aquatics Neo-Therm 100W is the cheaper at $49.12.
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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 | Aqueon Pro 100W |
|---|---|---|
| US price | $49.12 | $49.99 |
| Brand | Cobalt Aquatics | Aqueon |
| Released | — | — |
| Wattage (W) | 100 | 100 |
| Tank size range gal | up to 29 gal | up to 40 gal |
| Adjustable thermostat | Yes | Yes |
| Material | plastic | plastic |
| Fully submersible | Yes | Yes |
| Temperature accuracy f | ±0.5°F | ±1°F |
| Shatterproof guard | Yes | Yes |
| External controller | No | No |
Sources — Cobalt Aquatics Neo-Therm 100W: bulkreefsupply.com (verified 2026-08-16). Aqueon Pro 100W: thehiddenreef.com (verified 2026-08-16).
What's the difference between the Cobalt Aquatics Neo-Therm 100W and Aqueon Pro 100W?
Where the two actually differ on the specs we track (2 of 8). Matching specs are omitted.
- Tank size range gal: Cobalt Aquatics Neo-Therm 100W up to 29 gal vs Aqueon Pro 100W up to 40 gal
- Temperature accuracy f: Cobalt Aquatics Neo-Therm 100W ±0.5°F vs Aqueon Pro 100W ±1°F