Fluval M100
Manufacturer-rated for aquariums up to 30 US gal.
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Plan everything for this tank →What changes for you, from the makers' published figures. Neither is "better": the right one is the one that fits your tank and how you look after it.
For a 20 gallon long (example)
Next: Fluval M100: details and fit · Aqueon Pro 100: details and fit · All heaters for your tank
Fluval M100
Aqueon Pro 100
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Manufacturer-rated for aquariums up to 30 US gal.
Aqueon rates it for tanks up to 40 gallons; its manual gives 15 to 40.
| Published figure | Fluval M100 | Aqueon Pro 100 |
|---|---|---|
| Rated tank size | Up to 30 US gal | 15–40 US gal |
| Power | 100 W | 100 W |
| Dimensions | 11 × 1 × 1 in (L × W × H) | 1.5 × 1.75 × 10.5 in (L × W × H) |
| In the box | heater, mounting bracket, suction cups | heater, suction cups |
Figures as published by each maker; see each model’s page for its sources. Open this pair in the full comparison tool →