This contest is now closed. Congratulations to the Winner, Freddie Nunez of Staten Island, New York.


OASE has generously donated an OASE BioMaster Thermo 350 Canister Filter w/ Heater that we're giving away. To Enter the Contest to win this amazing filter/heater combo you just need to answer these five questions correctly:

NOTE: You can still enter the Crazy Dave Coralife Size 32 LED BioCube Aquarium & STAND Giveaway Contest through midnight 6/6/23.

NOTE: You'll find the answers to the questions on the OASE BioMaster Thermo 350 Canister Filter w/ Heater product page.

1. Inside the Thermo 350 version is . . .
A. some really hot volcanic lava.
B. an Oase HeatUp 200 Watt Aquarium Heater.
C. a thermostat with readings in both Fahrenheit and Celsius.

2. The OASE BioMaster is . . .
A. made in Oase with French engineering.
B. made in China with Japanese engineering.
C. made in Italy with German engineering.

3. The EasyClean prefilter module . . .
A. can be removed and cleaned separately from the rest of the filter for high efficiency and to extend the life of your filter.
B. can be removed and used as a form of currency similar to crypto in certain European nations.
C. can be removed can be removed and cleaned separately from the rest of the filter because OASE likes their customers to do completely unnecessary maintenance.

4. The warranty is . . .
A. 3 years.
B. 1 year.
C. 2 years.

5. Other OASE products that work well with the BioMaster are . . .
A. the OASE BioMasterBlaster Karaoke System.
B. the OASE CrystalSkim 350 Skimmer and OASE ClearTronic UVC 7W UV Clarifier.
C. OASE oasis in a can.

HOW TO WIN THIS AMAZING Coralife Size 32 LED BioCube Aquarium & STAND
1. To enter the contest, Email your answer to Crazy Dave at [email protected]. Title the Email: "BioMaster, Please." In the body of your Email write your answers (e.g. 1A, 2A, 3B, 4B, 5A).
2. Entries will be accepted through June 13th at midnight.
3. All entries with the correct answers will be treated equally, and the winner will be picked randomly from the entries.
4. A winner will be chosen on June 14th.
5. The OASE BioMaster Thermo 350 Canister Filter w/ Heater will be shipped to the winner on June 14th. We can only ship to addresses in the United States.