Name: BioMaster² 850
Brand: Oase
SKU: 788355109
Price: 2332.18 USD
Availability: InStock
Rating: 4.333333333333333 (6 reviews)

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$2332.18

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In stock

Sold byAmazon EcuadorDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

ENHANCED FLOW RATE: Updated connectors and improved water routing gives the BioMaster² 850 significantly higher flow rates for more uniform and healthier water conditions.
EASY MAINTENANCE: The BioMaster's EasyClean pre-filter module can be removed and rinsed without the need to dismantle the main filter body for quick, easy cleaning.
HIGH VOLUME: The 8L main filter volume paired with Hel-X biological media and mechanical/biological filter sponges supports huge colonies of beneficial bacteria.
VENTING BUTTON: The integrated venting button creates effective, automatic suction of water during installation or cleaning - no need for manual siphoning or airlocks.
HEATER-READY: Compatible with Oase's HeatUp adjustable heater, letting you keep equipment out of the tank and ensure even temperature distribution.

Free delivery and returns on eligible orders. Buy Oase BioMaster² 850 Aquarium Filter, Fish Tank Filter Suitable for Freshwater and Marine Aquariums up to 850 L, 32 W at desertcart UK. Review: Brilliant filter - Fantastic filter only been using gorgeous for 2 weeks and brilliant. Flow rate is excellent and quiet. Review: It's a very effective filter - Second one for large tank oase what more can you say

Specifications

ASIN	B0FXM68GHV
Best Sellers Rank	12,254 in Pet Supplies ( See Top 100 in Pet Supplies ) 59 in Aquarium Filters
Brand Name	Oase
Customer Reviews	4.2 4.2 out of 5 stars (12)
Included Components	Filter
Item Form	Sponge, Media
Item Type Name	Aquarium, Filter
Item Weight	6.93 Kilograms
Liquid Volume	1 Millilitres
Manufacturer	OASE GmbH
Manufacturer Part Number	94695
Model Number	94695
Pet Type	Fish
Product Warranty	3 year manufacturer
Target Species	Fish
Unit Count	1.0 count

Reviews

W**S

Brilliant filter

Fantastic filter only been using gorgeous for 2 weeks and brilliant. Flow rate is excellent and quiet.

24.03.2026

K**O

It's a very effective filter

Second one for large tank oase what more can you say

24.03.2026

F**N

600 biomaster 2 vs 350 biomaster.????

I dont think there's much between a 600 or 350 for flow..depending on your media or how much you put in..you get an extra tray.its not like there deeper trays..but its the same diameter...I basically swaped all my trays and media over..there's no difference.quite disappointed really..im also getting continuas purging of air Of which i thought the whole redesign of the heater was about..?..and I'm having real trouble with the heater keeping heat if at all..I don't think there's enough flow..and my filter is not packed either..so basically if I'd known before I'd put everything together I wouldn't of swapped it out...so yeah DISAPPOINTED is the key word here.!!

16.04.2026

G**S

Oase

Excellent product

19.03.2026

J**Y

Great item but should be checked before packed

Item is brilliant with a great adjustable flow for that smaller tank. However item plug was damaged and I was not able to replace like for like even though item was in stock. Resulting in an electrical engineer dealing with it.

19.03.2026

S**E

Best filter of its size

Best in class filter

10.01.2026

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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