Best Aquarium Heaters · head-to-head

Fluval E300 vs Marineland Precision 200W

A sourced, side-by-side comparison. Marineland Precision 200W is cheaper at $36.97. Every spec and price links to its source.

Which is better: the Fluval E300 or Marineland Precision 200W?

On the specs we track, they're closely matched. The Marineland Precision 200W is the cheaper at $36.97.

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Full spec sheet

marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec Fluval E300 Marineland Precision 200W
US price $72.99 $36.97
BrandFluvalMarineland
Released
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

Sources — Fluval E300: aquacave.com (verified 2026-08-16). Marineland Precision 200W: kensfish.com (verified 2026-08-16).

What's the difference between the Fluval E300 and Marineland Precision 200W?

Where the two actually differ on the specs we track (2 of 8). Matching specs are omitted.

  • 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

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