BioMaster & BioMaster Thermo

External Aquarium Filter - For the Highest Demands

  • External filter operates quietly to circulate and filter your aquarium water

  • Includes 4-stage filtration: biological, mechanical, chemical, and prefiltration

  • The BioMaster Thermo 250 has an integrated heater in compact filter design. The built-in heater provides your aquarium with precise and uniform temperature levels while the product integration delivers unobstructed views of your aquarium.

  • Hel-X, suspended filter media, creates the optimal surface area for beneficial bacteria growth

  • The sealed filtration pathway allows you to get the full benefits from all 4-stages of filtration

  • The EasyClean prefilter module can be removed separately from the rest of the filter for simple cleaning and to extend the life of your filter

  • Adjustable flow control is built into the inlet and outlet of the filter

  • Diffuser and spray bar can be utilized for uniform surface movement and additional dissolved oxygen integration

  • Includes a self-priming function for simple startup and continued operation

  • Features a carrying handle for simple moving and maintenance

  • Created for installation under the aquarium

  • All necessary fittings are included

  • Customize prefilter with coarse, fine, ultra fine, and activated carbon filter foams

  • Energy efficient

  • Made in Italy, backed by German engineering

  • Fresh and marine water compatible

  • For external use only

  • 3 year warranty plus 1 year extension with online registration

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Specs BioMaster
250
BioMaster
350
BioMaster
600
Dimensions 9.4 x 9.4 x 14.6 in. 9.4 x 9.4 x 16.7 in. 9.4 x 9.4 x 19 in.
Rated Voltage 120V / 60 Hz
Power Consumption of the Filter 15 Watts 16 Watts 23 Watts
Power Cord Length 6 ft
Net Weight 11 lbs. 11.9 lbs. 13 lbs.
Maximum Flow Rate 250 gph 300 gph 350 gph
Maximum Head Height 5.6 ft. 5.9 ft. 6.6 ft.
Connection 2/3 in.
Tubing Length 13 ft.
Filter Volume 1.2 Gallons 1.5 Gallons 1.8 Gallons
Pre-filter Volume 0.11 Gallons 0.13 Gallons 0.16 Gallons
Suitable for Maximum Aquarium Volume 70 Gallons 90 Gallons 160 Gallons
Suitable for fresh and marine water
Works with HeatUp 150 HeatUp 200 HeatUp 300
Warranty 3 Years + 1 with online registration
Downloads Manual & Safety Information
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Part Number 55145 55146 55147
Specs BioMaster
Thermo 250
BioMaster
Thermo 350
BioMaster
Thermo 600
Dimensions 9.4 x 9.4 x 14.6 in. 9.4 x 9.4 x 16.7 in. 9.4 x 9.4 x 19 in.
Rated Voltage 120V / 60 Hz
Power Consumption of the Filter 15 Watts 16 Watts 23 Watts
Power Consumption of the Heater 150 Watts 200 Watts 300 Watts
Power Cord Length 6 ft
Net Weight 11.5 lbs. 12 lbs. 13.7 lbs.
Maximum Flow Rate 250 gph 300 gph 350 gph
Maximum Head Height 5.6 ft. 5.9 ft. 6.6 ft.
Connection 2/3 in.
Tubing Length 13 ft.
Filter Volume 1.2 Gallons 1.5 Gallons 1.8 Gallons
Pre-filter Volume 0.11 Gallons 0.13 Gallons 0.16 Gallons
Suitable for Maximum Aquarium Volume 70 Gallons 90 Gallons 160 Gallons
Suitable for fresh and marine water
Warranty 3 Years + 1 with online registration
Downloads Manual & Safety Information
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Part Number 55148 55149 55150

Pre-Filter Foams

For the BioMaster Filter series

The BioMaster Filter Series allows for maximum filtration customization within the pre-filter.  The combination of coarse, fine ultra-fine, and carbon filter foams allows you the customization to meet the filtration needs of your aquarium.  All pre-filter foams fit any of the BioMaster models, and come in sets of six for your replenishment needs.  Timing to replace the pre-filter foams varies upon aquarium size, number of fish and plants, and declines in filter performance.

Coarse Pre-filter Foam
Set of 6
30 ppi
Fine Pre-filter Foam
Set of 6
45 ppi
Ultra-Fine Pre-filter Foam
Set of 6
60 ppi
Pre-filter Foam
Set of 6
Carbon
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Part Number 49626 49560 49583 49744
 

Replacement Filter Parts

For the BioMaster Filter series

Any of the BioMaster Filter Replacement Parts are compatible with any of the BioMaster models.  The pre-filter will do most of the filtration which require less frequent changes of the internal filter.  Timing to replace the filter foams varies upon aquarium size, number of fish and plants, and declines in filter performance.

Ultra-Coarse Filter Foam
20 ppi
Coarse Filter Foam
30 ppi
Hel-X 13 BioMedia
0.3 gal
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Part Number 49602 49604 49608