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Replacement Parts

Your filter has been designed using tried and tested media. For optimum performance 
we recommend that you use only 

Genuine Oasis Replacement Media. 

(Ask your 

retailer).

1).

Brushes

 - Only replace when necessary.(2 - 3 Years)

2).

Bio Cartridge

 - Only replace when necessary.(2 - 3 Years)

3).

The Foam Set

 should be replaced yearly (ideally in February or March 

before the start of the season).

4).

The Flocor™ Media

 is hard wearing and will last several years before you 

need to replace it.

CLEAR POND FILTER

Instructions

Filtration

Whether you are a beginner or experienced water gardener, you will probably have one objective and 
that is to achieve a clean, clear healthy pond. Ponds can be affected by various factors such as 
unconsumed fish food, decomposing vegetation and fish excrement. If these pollutants are allowed to 
accumulate, in time they will become harmful to your fish. The use of a biological filter will remove 
these toxins (nitrite, ammonia) and provide good quality water with the additional benefit of reducing 
algae growth.

This unit is manufactured 

in the EEC and conforms to  CE 

Regulations

Oasis Water Garden Products Ltd.

Eastleigh,

United Kingdom.

Dealers Stamp:-

Guarantee

Your Clear Pond filter is guaranteed against failure due to defective workmanship or materials for a period of 12 
months from the date of purchase. Failure caused by accidental damage, misuse, neglect or used in liquids other 
than cold water are excluded from this guarantee. If a failure occurs during this period, a purchase receipt must 
be produced. The unit will be either repaired or replaced at the companies option. The company cannot accept 
any additional claims for consequential losses. All “ware and tear” items are excluded from this guarantee i.e 
Filter Media, UV Lamp, Quartz Tubes and O Rings. This guarantee does not affect your statuary rights.

?

Your filter may take 3 - 6 weeks to fully mature with beneficial 
bacteria, however you can prematurely speed this process 
up by using Oasis Filter Active 

(Ask your retailer)

Stage 1

Ultra Violet Clarifier (U.V.C)

 This is situated within the lid of the filter. As water is pumped 

through the unit, the algae cells are penetrated by the U.V.C light destroying their ability to multiply and 
causing them to flocculate (bond together). This process creates larger particles which can then be 
removed more effectively by the Biological filter. The U.V.C will clear the water within 2 - 4 weeks and 
additionally the mild sterilizing effect will help to reduce harmful bacteria levels.

Stage 2

Mechanical

   Heavy sediments (Leafs, Blanket Weed & Fish Waste) are filtered from the 

st

water, as the water passes through the brushes. (1  Chamber)

Stage 3

Mechanical/Biological

  In the second chamber the water passes through the Bio Cartridge. 

This media filters the smaller debris which is not collected by the brushes. The cartridge also allows 
beneficial bacteria to grow on its surface.

Stage 4

Mechanical/Biological

    In  the  middle  chamber,  there  are  3  layers  of  reticulated  foam. 

Suspended particles are filtered out as the water passes through.

Green Foam: 

Course Grade

White Foam:

Medium Grade

Blue Foam: 

Fine Grade

Biological

 - Below the layers of foam, there is Biological Media called Flocor™. The purpose of this 

media is to allow beneficial bacteria to grow on it's surface. Once matured the bacteria will breakdown 
the harmful pond pollutants (Ammonia & Nitrite) converting them into Nitrate... Which is naturally 
absorbed by pond plants.

Filter Installation

1).

Ensure that all fittings are watertight. Use only the correct size outlet 
pipe for the filter outlet/s. 

(Please ask your stockist for details)

2).

Site the filter on a firm level base so that the outlet is higher than the 
water surface of the pond, or above the height of the waterfall, if you 
choose to have one. Keep as close to the pond as possible.

3).

From the pump in the pond, attach a suitable size and  length of hose to 
the inlet of the filter and secure using a hose clip.

4).

Your biological filter must be run 24hours a day to maintain the bacteria colony.

5).

Please allow between 3 to 6 weeks for the biological media to mature.

This unit is not submersible and must be positioned where it can not Be 
accidentally knocked into the pond or waterfall.

!

18000
25000
50000
80000

Model
Clear Pond

Tank
Size

UVC

Wattage

Product

Code

Quartz

Size

Product

Code

Foam

Set

Product

Code

Flocor

Media

Product

Code

UV Cleaning
Kit Code

4 Gall

12 Gall
15 Gall
25 Gall

18watt
25watt
50watt
80watt

UVT18
UVT25
UVT25 X 2
UVT40 X 2

8watt

25watt

25watt x 2
40watt x 2

QS8
QS15
QS15 X 2
QS40 X 2

Pack 500
Pack 1500
Pack 2000
Pack 2000

FS500
FS1500
FS2000
Fs2000

Pack 1000
Pack 2000
Pack 2000
Pack 2000 x 2

FLCS
FLCDIY
FLCDIY
FLCDIY X 2

MK18
MK25
MK25 X 2
NA

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