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Fluval M200 200W Submersible Heater
Model: M200 · US configuration
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A 200-watt adjustable glass heater rated by Fluval for aquariums up to 65 US gallons, with a 13-inch body, a 66–86°F setting range and freshwater/saltwater use.
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Explore this buying guide ↗Why consider this model?
- A useful candidate when a freshwater or saltwater aquarium is within Fluval's 65-US-gallon maximum, the keeper needs an adjustable dial setting from 66°F to 86°F, and the 13-inch glass heater fits the tank layout.
Tradeoffs to weigh
- The M200 is a glass-tube in-tank heater, not a documented shatterproof or inline-filter option. Fluval warns that room-to-setpoint difference and aquarium conditions can call for more capacity, so the 65-gallon rating is not a performance guarantee. Numeric thermostat accuracy and guard inclusion are not established by the sources reviewed.
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