FLUIDISED MEDIA - K 1, HEL - X 13 & HEL - X FLAKE PRO

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FLUIDISED MEDIA - K 1, HEL - X 13 & HEL - X FLAKE PRO

What is a ‘Fluidised Filter Media’?

With the many types of Filters and Filter Media availble, the best Biological Filter that can be bought, or made – DIY - is a filter that uses  Fluidised Media, also called a ‘Moving Bed’. 

The technically correct name for a Biological Filter with a Fluidised media is;

MBBR - Moving Bed Biological Reactor 

In an MBBR, the Fluidised Media is held in suspension (floating and moving) by a powerful stream of air, from an air pump. This constant movement of filter media, is why it is called a 'Fluidised Media'.

Bacteria will colonise any surface in a pond and filter, however all surfaces are not habitable. It is the same with filter media and in the case fluidised media, the surface areas which colloid with each other are not habitable for bacteria. These areas are referred to as Unprotected  Surface Area, and the habitable sections are reffered to as Protected Surface Area.  

K 1

Hel-X HXF13KLL

Hel-X Flake Pro

Surface Area m3 (1,000 Litres) 

900 m2

955 m2

5,000 m2

Protected Surface Area m3 (1,000 Litres) 

500 m2

806 m2

4,400 m2

Protected Surface Area in 1 Litre

0.5 m2

0.806 m2

4.40 m2

Size Diameter x Width / Thickness

10.5 x 8 mm

13 x 13 mm

30 x 1.1 mm

Article Number

NA

613/75-07

520/30PROw

Country of Origin

China

Germany

Germany

How much of Fluidised Media do I need?

For the efficient removal of Ammonia, the biological filter must be planned based on the estimated 'bio load' - number and size of fish, amount of feed given for a day. Based on the bio load, the daily generation of Ammonia can be calculated.

The efficiency of removing all Ammonia, depends entirely on the size of the bacterial colony. This can be calculated and expressed as the surface area required to sustain the size of bacterial colony needed, for the total removal of Ammonia.

If your tank or pond has a bio load that needs to be fed 500g of high protein food a day, shown below are the quantities in Litres of the respective fluidised media required.

K 1

Hel-X 13

Hel-X Flake 30

Protected Surface Area in One (01) Litre

0.5 m2

0.806 m2

4.40 m2

Number of Litres

100 Litres

65 Litres

12 Litres

  • 60% of the biological filter, chamber size, is the maximum capacity of Fluifised Media that should be added.
  • Where possible, on a maximum basis, aeration should be provided at ½ Litre Air to 1 Fluidiesed Media. For example, 40 litres of air to 80 Litres Fluidised Media

 

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For example, in the state of New York, if a retailer does not provide a Return & Refund Policy, the retailer will be required to accept returns and give refunds for all merchandise returned within 30 days of purchase. If you wish to limit this in any way, you will need to create and post a Return Policy with your own custom terms.

Another reason for having a Return Policy even if not required by law is that most consumers prefer to shop at retailers with a clearly-posted Return Policy. This is especially important when shopping online, as more issues are likely when purchasing something without being able to see it in person first.

If you don't have a Return Policy, you may be at the mercy of state laws regulating return and refund timeframes. You may also lose potential customers who are concerned about not being able to return a product if they need or want to.

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