Fluval
Fluval E300
$72.99
Best Aquarium Heaters · head-to-head
A sourced, side-by-side comparison. Marineland Precision 200W is cheaper at $36.97. Every spec and price links to its source.
Fluval
$72.99
Marineland
$36.97Cheaper
On the specs we track, they're closely matched. The Marineland Precision 200W is the cheaper at $36.97.
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✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | | |
|---|---|---|
| US price | $72.99 | $36.97 |
| Brand | Fluval | Marineland |
| 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).
Where the two actually differ on the specs we track (2 of 8). Matching specs are omitted.