Ivan A.
The most convenient filter I've ever used
1st May 2018
![Oase - BioMaster - Thermo - 600](https://www.aquasabi.com/media/image/product/11515/md/oase-biomaster-thermo-600.jpg)
Oase - BioMaster - Thermo - 600
I have a 200 liter planted aquarium, and this filter completely satisfies me! Powerful, quiet, efficient, easy to service, and the integrated heater is the tip. (read more)
Andreas H.
Avoid it
26th March 2022
![Oase - BioMaster - Thermo - 850](https://www.aquasabi.com/media/image/product/26565/md/oase-biomaster-thermo-850.jpg)
Oase - BioMaster - Thermo - 850
This product has some glaring design issues, so much so that had I known them in advance I had bought a different filter. (read more)
Johanna S.
An excellent filter
1st July
![Oase - BioMaster - Thermo - 850](https://www.aquasabi.com/media/image/product/26565/md/oase-biomaster-thermo-850.jpg)
Oase - BioMaster - Thermo - 850
Love this filter. The prefilter makes weekly cleaning easy, priming is convenient and the filter runs smooth and quiet. (read more)