Filter for the pond: purpose, types and features of DIY manufacturing

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A correctly selected and high-quality filter for the pond is an indispensable part of the water system designed to clean the reservoir of harmful substances or pathogenic microorganisms. Such a device for cleaning pond water differs not only in design features, but also in power and cost.

What is a pond filtration system necessary for?

If an artificial reservoir began to bloom and as a result completely lost its attractiveness, then most likely the biological balance was disturbed in the water system. The water system can be restored through cleaning and subsequent establishment of filtration and aeration processes.

Under natural conditions, a flowing reservoir periodically updates the aquatic environment, and stagnant pond water most often quickly turns into swamps. Artificially created ponds need regular and proper care, and the transparency of water can be ensured by performing mechanical cleaning and competent arrangement.

Do-it-yourself water filtration allows you to balance the composition, and also positively affects the pond flora and fauna:

  • a biofilter or a biological option, consisting in the use of aerobic bacteria that can decompose organic residues into components such as oxygen, as well as nitrogen and safe carbon;
  • a chemical option involving the use of special reagents that decompose nitrate, phosphate, ammonia and hydrogen sulfide into components such as water and carbon dioxide;
  • ultraviolet version, harmless to flora and fauna, but well destroying pathogenic microorganisms, as well as lower algae, which cause a characteristic "bloom" of the aquatic environment;
  • mechanical version, presented by devices that purify water and make it as transparent as possible during regular pumping through special filters.

In the process of arrangement, it is necessary to take into account the location of the reservoir, as well as its volume and features of the destination. When choosing a place, it is necessary to ensure systematic shading and the absence of closely spaced deciduous stands. It is especially important to consider such requirements for ponds with fish and expensive ornamental aquatic plants.

Pressure filter for water: description

Filter for a pond: purpose and characteristics of species

Usually, all popular and timely filtration systems are large enough, but it is recommended to consider the features of the location and installation of such devices at the design stage of the pond.

Volume of water in a reservoir

Type of Recommended System

Advantages and disadvantages

Popular models

Up to 8 cubic meters

Side discharge submersible pump with pressure filter

Aeration, mechanical and biological treatment, the presence of a built-in UV lamp, the ability to deepen

pressure filter in the coastal zone with artificial stone decoration

Heissner Ready Kit

8 to 35 cubic meters

Based on submersible pump

A pressure or flow filter located on the shore, as well as a submersible pump installed in the deepest place. Filter and pump connection with a special spiral hose

Ready-made kits from manufacturers Heissner, FIAP and OASE

35 to 70

cubic meters

At the planning stage, you can apply the option of bottom water intake and side skimmer

The compact, professional, highly efficient filtration system is completely outside the pond and is easy to maintain.

Ready set "SK-500"

35 to 70

cubic meters

To equip a ready-made pond, a mechanical filter with a pond pump is used

In domestic use, the universal unit effectively removes the smallest contaminants, and is able to work with both a surface cleaner and a flow filter

Filter system "Compact-Sieve"

70 to 120 cubic meters

At the planning stage, you can apply the option of bottom water intake and side skimmer

The compact, professional, highly efficient filtration system is completely outside the pond and is easy to maintain.

Ready set "SK-502"

70 to 120 cubic meters

To equip a ready-made pond, a mechanical filter with a pond pump is used

High performance due to the large area of ​​the filter elements, the ability to easily connect to a conventional pond pump

OASE filter kit

The most difficult thing is to choose the right filter system if it is planned to breed fish in an artificial pond:

  • flow type filter equipped with pumping equipment. When passing through filters, dirty water gets rid of clogging and deposits. A porous substance helps retain algae, and bacteria and reagents fight organics and chemical compounds. Ideal for a small pond, the volume of which is not more than 300-350 m³;
  • pressure filter It is capable of efficiently cleaning a small body of water, the volume of which is not more than 60 m³, but it is possible to supply purified water to a height of up to five meters, which is due to the presence of a circulation pump installed at the bottom. Equipped with an electric pump and deep filtration modules;
  • sandy budget option It does not have a complex multilevel filtering system and functions due to the simplest collection. The main disadvantage is the risk of decomposition of organic components, which leads to the release of hydrogen sulfide, methane and other harmful compounds;
  • skimmers or floating modelsare most often used as additional devices and are used with flow or pressure cleaners. The installation is quite compact and, located on the surface, effectively drives contaminated liquid through the filter holes.

When choosing equipment, particular attention should be paid to the following characteristics:

  • pressure reflecting the rate of fluid circulation inside the filter;
  • capacity reflecting the volume of circulating fluid;
  • power to clean volume in standard time.

A correctly selected immersion model is able to carry out high-quality cleaning in no more than an hour and a half. For most artificial ponds, pumping equipment with a low pressure level and significant capacity is the best option. The gravity gravity pump is universal and, accordingly, in demand.

The principle of the filter for the pond

DIY Filter Making

A home-made filter for the pump is quite easy to carry out. A sparing system for sludge can be carried out, guided by the following recommendations:

  • medium-sized plastic basket to create a case;
  • drain hose or siphon;
  • submersible pump;
  • silicone plumbing sealant;
  • gasket FUM tape;
  • brass set of fitting and nut;
  • a pair of clamps;
  • lumpy foam;
  • four hard washcloths;
  • PVC hose.

Filter materials are loaded in layers into a basket container. With the help of plumbing sealant, a siphon and a hose are fixed. The hole for installing a siphon needs to be drilled in the side of the basket, which will allow water to flow freely into the filter layers. All joints between the siphon and the hose with the housing must be thoroughly lubricated with silicone sealant, after which the pump is immersed in water and the device is connected to the electrical network. For safety reasons, the electrical outlet must be protected with a waterproof rubber or plastic cover.

Homemade fish pond filter

For independent creation of the filter used in reservoirs with fish, you will need two middle barrels, as well as adapters, main connections and cranes. Water is taken from the bottom of the pond and, under the influence of a pump, is delivered to the filter. Passing through several layers of cleaning, the fluid will gravity returns to the reservoir. As a filtration substrate, you can use:

  • expanded clay or shells;
  • ceramic rings or biological balls;
  • synthetic winterizer or any other fine bubble synthetic material.

With minimal execution costs, such a system is characterized by a high degree of reliability and sufficient durability.

How to make a do-it-yourself pond filter

The choice of filtering equipment is greatly influenced by factors such as the size and depth of the pond, the presence of living inhabitants in the reservoir, and climatic conditions. For the most effective filtration process, it is necessary to correctly determine the performance indicators of the pump, as well as its power, which will allow you to purchase not only high-quality, but also durable equipment.


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