Plant filter

Plant filter



4 advantages of a plant filter in the pond

pond without pomo

No pump required

It is a natural filter with plants and bacteria that eliminates the need for a pump or filter.

Purifies the water

The roots and leaves of pond plants absorb waste products from the water.

Prevents algae growth

Prevents algae growth

The water will not heat up as quickly, so there will be less to no algae growth.

100% natural

It is a natural filter where plants and bacteria take care of filtering the water.



Our best selling plant filter plants

Advice for a natural swamp plant filter


Buy Plant Filter

A plant filter is a natural filter, where the plants themselves purify the water without the use of a pump. The cooperation of certain plant species and bacteria ensures that harmful substances are broken down from the water and that the pond water is purified. For optimal filtration, we offer specially formulated plant filter packages.

See all our plant filter plants and get it delivered from our own aquatic plant nursery.

Helophyte filter pond

A helophyte is a perennial or biennial plant whose submerged buds are the only ones that survive in winter; everything above the water surface dies. When a helophyte is too deep below the water table, it can die from lack of sunlight. Well-known helophytes that can be used as a helophyte filter include: yellow burdock, calamus, and common alfalfa. In a proper composition, helophytes provide very good purification of pond water.

Making plant filters for the pond

A good plant filter is a combination of the right types and amount of pond plants. For optimal purification, use the right pond substrate (so the plants can adhere well to and in the substrate) and add oxygen plants, such as hornwort, crabbit and waterweed. Learn all about a plant filter in the pond.

Biological filter pond

An organic pond or natural pond requires little maintenance and puts minimal strain on the environment. This is because pumps and filters are unnecessary in this, because the aquatic plants provide a natural balance. An organic pond is a pleasant place for insects and amphibians.

Natural filter self-build in the pond

When building a natural filter, there are a number of factors to consider. First, the place where you are going to build the pond. Plants grow best in a sunny spot. To keep the water from heating up too much, water lilies are an excellent solution. The large leaf of the water lily ensures that the sun has less opportunity to raise the water temperature extremely. Also, the leaves provide a good hiding place for aquatic life. Second, the pond depth is important. Ensure a depth of at least -80 cm, so that fish have the opportunity to overwinter. Third, a bottom of the right substrate is important. In this substrate bacteria can grow that purify the water and plants can easily attach themselves in and to a substrate bottom. All pond starter kits include the right composition of plants and the right substrate.

Clear water without filter pump

A pond can remain clear and balanced without a pump or filter when the right composition of plants are present in the pond. These plants, along with bacteria, ensure that the water is purified of harmful substances and remains clear and healthy.

Read more about a pond without a pump.

A plant filter or helophyte filter provides water filtration. Plants carry oxygen to the roots, where the water is more oxygenated. The supply of oxygen allows bacteria found at the bottom of the stems to grow well. These bacteria ensure that the water is purified of harmful substances. Marsh plants absorb wastes such as nitrate and nitrite from the water, purifying the water.

For an organic pond, it is important to establish a good marsh zone. Most aquatic plants grow well in a depth of up to -20 cm. It is important to make a large swamp zone. The larger the zone, the better the water will be filtered. In addition to the size of the zone, the composition of the plants is also important, think marsh plants, oxygen plants and water lilies.

Dig a filter area and place the pond liner in it. Then apply a layer of substrate of about 10 cm. In it, the marsh plants can be planted. Use enough plants, then you will have enough with this natural filter. Then secure the plants with another layer of substrate of about 10 cm. Finally, place the floating oxygen plants, which also ensure that the sun is kept out of the water. This causes the water to heat up less and slows down algae growth. Read all explanations to make a plant filter.

The size of a plant filter is best to be as large as possible. Because the larger the plant filter, the better the filtration and the lesser the water load.

A good plant filter is about -40 cm deep. Most aquatic plants grow well at -20 cm depth.

The top 6 best plants for a natural pond filter are, as far as we are concerned: yellow alder, calamus, water mint, dwarf water moss, needlewort and featherweed. These plants can also be ordered from us as a complete package, a plant filter mix of 64 plants, specially formulated for optimal filtration and clear water.

This depends on the season. In the spring, plants will grow rapidly and over the course of the summer, the growth rate decreases. We allow for approximately 16 plants per m2 in our specially formulated plant filter packages.

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