Oase BioSmart 18000 Pond Filter Set

SKU: 56778
GTIN: 4010052567785
Brand

The Oase BioSmart 18000 Pond Filter Set is a complete flow through gravity filtration system for ponds up to 18000 litres. Including the Oase AquaMax Eco Classic 5500 pump and Oase Vitronic 18W UV clarifier, it delivers mechanical, biological and ultraviolet filtration in one balanced package. Ideal for medium garden ponds and lightly stocked koi ponds, it provides reliable water clarity with simple maintenance.

£504.44 (inc VAT)

Oase BioSmart 18000 Pond Filter Set

Complete Flow Through Pond Filtration with Pump and 18W UV

The Oase BioSmart 18000 Pond Filter Set is a complete, ready to install pond filtration system designed for medium sized garden ponds, ornamental ponds and lightly stocked koi ponds. Combining the Oase BioSmart 18000 flow through filter, Oase AquaMax Eco Classic 5500 pump and Oase Vitronic 18W UV clarifier, this set delivers mechanical, biological and ultraviolet filtration in one balanced system.

Because the components are correctly matched from the outset, the system ensures proper flow rates, effective green water control and reliable biological performance. As a result, it provides clear, healthy pond water with minimal ongoing adjustment.

The Oase BioSmart 18000 Set is suitable for:

  • Up to 18000 litres without fish
  • Up to 9000 litres with goldfish
  • Up to 4500 litres with koi

Intelligent Filtration and Easy Maintenance

The Oase BioSmart 18000 filter provides multi stage foam filtration, including coarse, medium and fine foams. These layers trap debris while supporting beneficial bacteria that break down ammonia and nitrite.

The integrated Oase Vitronic 18W UV clarifier neutralises suspended algae and harmful microorganisms as water passes through, helping prevent green water and improving overall water clarity.

Maintenance is simple and user friendly. The patented EasyClean handles allow you to compress the filter sponges without removing them from the housing. Consequently, waste is flushed directly to the sludge drain via the slide valve at the base of the unit.

In addition, the lid features:

  • An integrated pollution level indicator to signal when cleaning is required
  • A built in thermometer for real time water temperature monitoring

For further biological enhancement, the system can be paired with the Oase OxyTex pond aerator, which can increase biological filtration efficiency by up to 25 percent through improved oxygen supply.

How the Oase BioSmart 18000 Pond Filter Set Works

Water is pumped from the pond by the Oase AquaMax Eco Classic 5500 pump. This energy efficient pump is capable of handling solids up to 8mm and delivers a maximum flow rate of 5500 litres per hour, with a maximum head height of approximately 2.8 metres.

Water then enters the BioSmart 18000 filter and passes through the layered foam media:

  • Green coarse foam captures larger debris
  • Blue medium foams provide mechanical and biological filtration
  • Red fine foam polishes the water and supports nitrification

The Oase Vitronic 18W UV clarifier treats the water before or during circulation, neutralising algae spores and reducing harmful bacteria. Once filtered, water exits via gravity return through the DN 75 outlet back into the pond.

Because this is a gravity return filter, the unit must be installed above pond water level to allow natural return flow.

The complete set includes:

This makes the set ideal for new pond installations or full filtration upgrades where a matched system is preferred.

Key Features

  • Complete matched filtration system
  • Flow through gravity return filter
  • Mechanical and biological multi stage foam filtration
  • Oase Vitronic 18W UV clarifier included
  • Oase AquaMax Eco Classic 5500 pump included
  • Maximum flow rate 5500 litres per hour
  • Patented EasyClean foam compression handles
  • Sludge drain with slide valve
  • Integrated pollution indicator
  • Built in thermometer
  • Compatible with Oase OxyTex aeration system
  • Can be partially buried up to one third of its height
  • 2 year manufacturer guarantee

Technical Specifications

  • Maximum pond size 18000 litres no fish
  • Maximum pond size 9000 litres goldfish
  • Maximum pond size 4500 litres koi
  • Maximum flow rate 5500 litres per hour
  • Pump power consumption 60W
  • Maximum pump head 2.8 metres
  • Dimensions 382 x 555 x 408mm
  • Filter foams 2 blue medium, 1 red fine, 1 green coarse
  • Inlet sizes 25mm, 32mm, 38mm
  • Outlet DN 75
  • Sludge discharge DN 50
  • Hose length 5 metres
  • Hose diameter 38mm

Technical information

Dimensions filter (L Ă— W Ă— H) mm 559 Ă— 596 Ă— 408
Net weight kg 14.54
Rated voltage 220 – 240 V / 50/60 Hz
Power consumption UVC W 18
Power cable length UVC m 5.00
Guarantee Years 2
UVC power W 18
Number of filter foams, total Units 5
Number of blue filter foams Units 2
Number of red filter foams Units 1
Number of green filter foams Units 1
Temperature display Yes
Inlet connections mm 19 / 25 / 32 / 38
Inlet connections ¾”, 1″, 1 ¼”, 1 ½”
Outlet connections DN 75
Sludge discharge connections DN 50
Corresponding filter/watercourse pump AquaMax Eco Classic 5500
Dimensions pump (L Ă— W Ă— H) mm 280 Ă— 230 Ă— 140
Power consumption pump W 60
Max. flow rate l/h 5500
Power cable length pump m 10.00
Suitable for ponds up to max. m3 18.0
Suitable for ponds with fish stock m3 9.0
Suitable for ponds with koi m3 4.5

Helpful links and compatible products

Use these links to plan the rest of the system around this product. The right pump, pipework, UV, air supply, media or spares will make the installation easier to set up, maintain and service.

More useful ranges and guides

These related ranges and guides may help you compare options, choose the right accessories and plan the full pond system rather than viewing this product in isolation.

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