# Fluval E300 vs Marineland Precision 200W: specs and price compared

A sourced, side-by-side comparison of the Fluval E300 (Fluval) and Marineland Precision 200W (Marineland) among aquarium heaters. Marineland Precision 200W is the cheaper of the two at $36.97.

## Side by side

| Spec | Fluval E300 | Marineland Precision 200W |
| --- | --- | --- |
| US price | $72.99 | $36.97 |
| Brand | Fluval | Marineland |
| Wattage (W) | 300 | 200 |
| Tank size range gal | up to 100 gal | up to 55 gal |
| Adjustable thermostat | Yes | Yes |
| Material | glass | — |
| Fully submersible | Yes | Yes |
| Temperature accuracy f | — | — |
| Shatterproof guard | Yes | — |
| External controller | No | No |

## Key differences

- Wattage (W): Fluval E300 300 vs Marineland Precision 200W 200
- Tank size range gal: Fluval E300 up to 100 gal vs Marineland Precision 200W up to 55 gal

## Sources

- Fluval E300: https://aquacave.com/hagen-fluval-e-300-watt-electronic-aquarium-heater.html (aquacave.com, verified 2026-08-16)
- Marineland Precision 200W: https://kensfish.com/products/marineland-precision-submersible-heater-200-watt (kensfish.com, verified 2026-08-16)

Canonical: https://frontdeskreview.com/gear/aquarium-heaters/fluval-e300-vs-marineland-precision-200w/
Cite: Per The Front Desk Review, Fluval E300 ($72.99) vs Marineland Precision 200W ($36.97) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/aquarium-heaters/fluval-e300-vs-marineland-precision-200w/
License: CC BY 4.0.