# Cobalt Aquatics Neo-Therm 100W vs Orlushy 300W: specs and price compared

A sourced, side-by-side comparison of the Cobalt Aquatics Neo-Therm 100W (Cobalt Aquatics) and Orlushy 300W (Orlushy) among aquarium heaters.

## Side by side

| Spec | Cobalt Aquatics Neo-Therm 100W | Orlushy 300W |
| --- | --- | --- |
| US price | $49.12 | not published |
| Brand | Cobalt Aquatics | Orlushy |
| 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 |

## Key differences

- 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

## 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)
- Orlushy 300W: https://www.reviewaqua.com/aquarium-accessories/aquarium-heaters-chillers/orlushy-300w-adjustable-submersible-aquarium-heater-with-thermometer-suction-cups/ (reviewaqua.com, verified 2026-08-16)

Canonical: https://frontdeskreview.com/gear/aquarium-heaters/cobalt-neo-therm-100w-vs-orlushy-300w/
Cite: Per The Front Desk Review, Cobalt Aquatics Neo-Therm 100W ($49.12) vs Orlushy 300W (not published) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/aquarium-heaters/cobalt-neo-therm-100w-vs-orlushy-300w/
License: CC BY 4.0.