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The OASE BioMaster Thermo Series combines the power of professional-grade canister filtration with an integrated OASE HeatUp heater, offering a clean, clutter-free aquarium and perfectly stable water temperature.
German-engineered for reliability and performance, the BioMaster Thermo delivers multi-stage mechanical, biological, and chemical filtration, ensuring crystal-clear, healthy water in both freshwater and marine aquariums.
The unique EasyClean pre-filter module allows you to clean the main sponges in seconds without opening the canister — reducing maintenance time and preserving beneficial bacteria.
Key Features:
Integrated HeatUp heater for precise temperature control and clutter-free display
EasyClean pre-filter system for fast maintenance
Multi-stage filtration for superior water clarity and biological balance
Quiet, energy-efficient motor built for continuous operation
Large media baskets for custom filtration setups
Quick-release valves and leak-proof design for easy cleaning
Suitable for freshwater and marine aquariums
Available models:
BioMaster Thermo 250 – up to 250 L | 900 L/h | 150 W heater
BioMaster Thermo 350 – up to 350 L | 1100 L/h | 200 W heater
BioMaster Thermo 600 – up to 600 L | 1250 L/h | 300 W heater
BioMaster Thermo 850 – up to 850 L | 1550 L/h | 400 W heater
Usage Tips:
Position the canister below the aquarium for best siphon performance.
Rinse all filter media before first use in aquarium water.
Clean the EasyClean pre-filter every few weeks for optimal flow.
Replace the fine sponges or chemical media regularly; rinse biological media gently.
Adjust temperature via the integrated thermostat — no separate heater needed.
