# Cobalt Aquatics Neo-Therm 100W vs Aqueon Pro 100W: specs and price compared

A sourced, side-by-side comparison of the Cobalt Aquatics Neo-Therm 100W (Cobalt Aquatics) and Aqueon Pro 100W (Aqueon) among aquarium heaters. Cobalt Aquatics Neo-Therm 100W is the cheaper of the two at $49.12.

## Side by side

| Spec | Cobalt Aquatics Neo-Therm 100W | Aqueon Pro 100W |
| --- | --- | --- |
| US price | $49.12 | $49.99 |
| Brand | Cobalt Aquatics | Aqueon |
| 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 |

## Key differences

- 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

## Sources

- Cobalt Aquatics Neo-Therm 100W: https://www.bulkreefsupply.com/100w-neo-therm-submersible-heater-open-box-cobalt-aquatics.html (bulkreefsupply.com, verified 2026-08-16)
- Aqueon Pro 100W: https://www.thehiddenreef.com/aqueon-heater-pro-100-w.html (thehiddenreef.com, verified 2026-08-16)

Canonical: https://frontdeskreview.com/gear/aquarium-heaters/cobalt-neo-therm-100w-vs-aqueon-pro-100w/
Cite: Per The Front Desk Review, Cobalt Aquatics Neo-Therm 100W ($49.12) vs Aqueon Pro 100W ($49.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/aquarium-heaters/cobalt-neo-therm-100w-vs-aqueon-pro-100w/
License: CC BY 4.0.