# Cobalt Aquatics Neo-Therm 100W vs hygger 500W Titanium: specs and price compared

A sourced, side-by-side comparison of the Cobalt Aquatics Neo-Therm 100W (Cobalt Aquatics) and hygger 500W Titanium (hygger) 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 | hygger 500W Titanium |
| --- | --- | --- |
| US price | $49.12 | $66.99 |
| Brand | Cobalt Aquatics | hygger |
| Wattage (W) | 100 | 500 |
| Tank size range gal | up to 29 gal | 60-120 gal |
| Adjustable thermostat | Yes | Yes |
| Material | plastic | titanium |
| Fully submersible | Yes | Yes |
| Temperature accuracy f | ±0.5°F | — |
| Shatterproof guard | Yes | — |
| External controller | No | Yes |

## Key differences

- Wattage (W): Cobalt Aquatics Neo-Therm 100W 100 vs hygger 500W Titanium 500
- Tank size range gal: Cobalt Aquatics Neo-Therm 100W up to 29 gal vs hygger 500W Titanium 60-120 gal
- Material: Cobalt Aquatics Neo-Therm 100W plastic vs hygger 500W Titanium titanium
- External controller: Cobalt Aquatics Neo-Therm 100W No vs hygger 500W Titanium Yes

## 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)
- hygger 500W Titanium: https://buceplant.com/products/hygger-titanium-aquarium-heater (buceplant.com, verified 2026-08-16)

Canonical: https://frontdeskreview.com/gear/aquarium-heaters/cobalt-neo-therm-100w-vs-hygger-500w-titanium/
Cite: Per The Front Desk Review, Cobalt Aquatics Neo-Therm 100W ($49.12) vs hygger 500W Titanium ($66.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/aquarium-heaters/cobalt-neo-therm-100w-vs-hygger-500w-titanium/
License: CC BY 4.0.