How to prepare the pond for winter?

Making a pond winter-proof

The pond on the plot is beautiful, cozy and fascinating. But for it to bring only positive emotions and not require additional costs in the next dacha season, you need to properly prepare it for winter. We tell you how to make the pond winter-proof: plastic decorative or with fishing.

Preparing a plastic pond for winter

Small decorative ponds with a plastic base – the most popular and most economical option of the pond on the plot. But it also needs to be cared for annually to last as long as possible.

1 trick to keep a plastic pond in winter:

  1. Remove fallen leaves;
  2. Remove equipment – fountain, water filter. These should be removed, washed, and stored in a warm place for the winter.
  3. Remove all plants from the pond, as plastic ponds are small and freeze completely;
  4. Keep the water out of the pond! Most plastic containers for outdoor ponds have become hardy. When you release water from the pond, the bottom freezes and squeezes out the container. And in the spring, you have to dig the place up again.

In plastic containers up to 1 meter the water freezes completely. To compensate for the pressure in the pond when the water freezes and expands, you have to throw bottles with sand or wooden rods into the pond for the winter.

A bottle of 1.5 liters is not filled completely, but only half. You need 1 bottle or rod per 1 square meter. They can be fixed so that the wind does not hammer in the corner. This simple pond action protects the plastic walls from cracking. This method is also suitable for foil ponds.

What to do with the plants in the pond in winter?

Plants in the pond, if it is not deeper than 1.5 meters, should be removed for the winter. To do this, take them out of the pond, trim them to zero and plant them in a bucket with very moist soil. We store it in the basement at 5-10 degrees and make sure the soil does not dry out.

If the pond is deeper than 1.5 meters, the plants can stay in the pond. This requires flowers that grow to a depth of 1 meter, dig up and transplant to a depth of more than 1.5 meters.

Do I need to cover the pond for the winter?

Decorative ponds with a bottom of plastic container or film, or geotextile on the floor should be covered with a covering material, boards or slate. Firstly, this will keep them from large amounts of snow, which melts more slowly than ice in the spring, and secondly, so that in winter you do not accidentally step on the edges of the pond.

Fish ponds should not be closed for long periods of time! Every fish needs light entering the pond to live.

Only build a shelter for a fish pond during periods of very low temperatures to prevent hard frost from reaching the bottom of the pond. Make sure the wintering fish are doing well. Read about how to make a fish pond winter-proof.

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How to make a fish pond winter-proof

If you have fish in your personal pond – carp, sterlet, perch, etc., preparing for winter must be thorough. After all, in this case, you can not just put the poles in the water and leave everything as it is.

In order for the fish to winter in the pond, it is necessary:

  • a depth of 2 meters or more;
  • bottom without mud;
  • An open hole for breathing;
  • Movement of water for ventilation.

Air supply to the pond with fish must be constant throughout the winter. For this purpose, purchase special equipment – a compressor, heater polina, ventilation pump to move the flow of water and oxygenate it.

Fish spend the winter at the bottom of the pond, so there should be a minimum of silt. In the fall, it is advisable to remove the silt, because. It contains harmful gases that can harm the fish.

Do I have to feed the fish in the pond in winter? In principle, not necessarily, if it has fed properly in the summer and fall and has accumulated fat for wintering. But if you have a mild winter, the fish may still be active. Therefore you should feed them, especially the juvenile fish.

Ornamental fish such as top-el, elritze, etc., which cannot overwinter in a body of water, are caught and overwintered in an aquarium or special container. Each large fish needs up to 10 liters of water and the temperature must be maintained at 10-12 degrees.


The pond on the plot – it is not only beautiful, but also expensive, even if we are talking about the state of the cheapest option. And you need to know how to preserve the pond in winter: this information and timely work with the pond saves both your residents and the structure of the pond.

Prepare your garden pond for the winter holiday

Get your garden pond ready for the winter holiday

Fall is a crucial time to make your pond winter-proof. How competently and thoroughly the preparations will be carried out depends on how many “surprises” await them in the spring after the ice melts. Preparation of the pond for winter – an important task that, with the right procedure will not take much time, but will give tangible results, which you can enjoy from the first warm spring days.

Autumn pond preparation

The list of preparatory work depends on whether the pond is empty or dormant. As a rule, decorative ponds made of prefabricated plastic forms, and concrete ponds above the bottom are emptied for the winter. If the pond is emptied before the onset of frost, the systems (pumps, filters and UV lamps) are dismantled. In this case, the main effort will be focused on safely relocating living creatures and vegetation into over-winter storage. In this case, maintenance of the pond is minimal. The main focus should be on preparing a wintering area for fish and plants.

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It is quite another matter – large ponds with an area of 20 m2 and a depth of 80 cm, which are not emptied for the winter.

Make your pond winter-proof without lining the water

Here is a list of the most important steps to take to prepare ponds for wintering outdoors.

1: Avoid getting dirt on the surface of the pond. As the leaves begin to fall, special nets should be installed over the pond. They are attached along the banks with handles. Their main purpose is to prevent leaves from falling into the water. It’s an uncomplicated but important measure, because by preventing organic waste from getting into the pond, we prevent it from further decomposing in the water under the ice crust and disrupting the biological balance of the pond.

2. remove dirt and deposits from the bottom of the pond. As thoroughly as possible because soil deposits are one of the biggest hazards for all pond inhabitants in winter. Organic matter accumulated on the soil begins to decompose and release harmful substances and gases into the water that cannot be removed from the pond when an ice crust is formed. In addition, in the process of decomposition, microorganisms begin to actively absorb oxygen, which becomes less and less in winter.

3. Perform a partial water change. After cleaning the bottom and walls of the pond, dirt particles will rise into the water column. Partial water changes are not unnecessary, you can bring the amount of fresh water up to 30% of the total pond volume.

4. Watch the water quality. Before the pond is covered with a layer of ice, the water quality must be brought to the ideal side. Especially you need to pay attention to the oxygen content, because at low temperatures the pond biosystem goes into ECO mode, so there is not enough oxygen. Today there are special tests to determine the main parameters of water quality. They help not only to detect problems in time, but also the difficulty of adaptation for fish that are transplanted from the pond to a warm tank for wintering.

5. Tidy up the pond plants. Gave excess moisture, cut back, plants, or, depending on the species, move the plants to a warm room. It is important to remove dead leaves that are breaking down, resulting in a lack of oxygen in the water. All of this should take place before frost sets in.

6. Remove all pond equipment and prepare the pond. If the temperature drops to 5 degrees, all devices – pumps, filters and ultraviolet lamp – should be removed from the pond. This is to ensure that they are not damaged by frost. Pumps should be stored in a damp environment in a non-free area. The other devices are washed and dried. In winter, clean in a warm, dry place.

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7. Install seasonal devices. If the pond is covered with ice, protective netting should be removed and cleared of debris to avoid fruiting. They allow you to maintain the necessary level of oxygen in the water during the winter. This is especially important if fish stay in the pond for the winter. If you do not plan to install anti-icing devices, but there are concerns that they may be damaged by frost, you can trust the folk methods – dipping rubber balls, plastic bottles with sand or tree trunks in the water, which are durable, which makes destructive ice crusting.

Maintaining the integrity of the pond waterproofing

A properly designed and built foil pond can be filled with water for the winter. Sometimes experts advise to lower the water level a little (10-15 cm), so that the melt water does not cause overflow of the pond in the spring. However, this opinion is controversial, the ice crust can damage the unprotected film.

The pond is finished if it is not elevated above the floor, but completely buried and completely filled with water for the winter. In order to reduce the pressure of ice on the walls and the bottom of the container, under the water is heated with air a few plastic bottles, so that they do not appear. It is necessary to partially fill the bottles with sand. The number of bottles depends on the size of the pond (about 1 pc. per 1 m2). When the pond is up, the water must be drained to the floor.

In order to avoid damage to the pond coating, it is not recommended to break the ice on the surface!

Equipment for cleaning the pond before winter

Clean water in the pond – the key to overcoming its inhabitants. Elementary, but effective cleaning of the pond can be done by yourself with the help of special devices.

Water cleaner for cleaning the pond floor and walls

To remove sediment and other deposits accumulated on the walls and strips of the pond, use a compact and practical water vacuum cleaner. In our catalog you will find different models, fully equipped with hoses and a variety of nozzles. Read more about the principle of the water vacuum cleaner in our article “Pond vacuum cleaner – effective and fast cleaning of the pond bottom of silt. “.

Vacuum clean your pond bottom

Skimmer for cleaning the surface of the pond from large and small impurities

The skimmer is the right device with which to effectively clean the surface of the pond all year round and, of course, during the fall foliage! It is better to prevent leaves from getting into the pond than to clean up later: the device collects leaves, twigs, needles, dead insects, dust, pollen and other pollutants from the surface of the pond. You only have to empty the basket if it fills up with droplets.

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For more information on the skimmer, see the article “Pondskimmer – Water Surface Cleaner”.

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Swimskim CWS skill pond, with pump

Remember that a clean pond must be kept clean year-round to ensure the ecological balance of the aquatic environment and a pleasant living environment for all pond inhabitants. It is necessary to use not only skimmers and water vacuums, but also special filters, ultraviolet lamps and biological preparations. In the article “Methods of cleaning a garden pond” we detail the different methods of cleaning garden ponds and analyze what can be the causes and consequences of pond pollution.

Conserving pond systems for the winter

Before the winter cold weather arrives, you need to take care of preserving the devices that are in your pond.

As soon as the temperature drops below 5 C, the pressure pumps should be turned off and separated from the filters. Filters and UV blockers should be completely free of water and protected from moisture (snow melt, rain, etc.) during the coming winter period.

Filter filler adsorbents (filter granulate and zeolite), brushes and sponge fillers are washed thoroughly. Washing requires a weak saline solution. A contaminated filtration system loses its efficiency: power consumption increases and performance is significantly reduced. The filtration system should be completely cleaned.

It is recommended to treat pumps, hoses, underwater lights, fountain nozzles and fittings with a special Biobird cleaner before putting the devices into hibernation.

It reliably cleans the internal and external parts of the devices and fittings which are dirty and calcified with constant water. It removes lime deposits and dirt from their surfaces.

It is recommended to store pumps under water in a frost-free room. In this way, dirt residues do not harden and the seals do not become porous. The pumps can be handed over to our service center for preventive maintenance before the horn period.

Lights should be removed from the water, separated from their outlets, and stored in the basement or placed in another location where they are not in danger of mechanical damage.

Care for pond animals.

Prepare plants and fish for overwintering in a timely manner.

Move baskets of aquatic plants to a depth of more than 1 m after pruning old leaves and shoots to the root. If the pond is not deep enough for overwintering aquatic plants, you can take the baskets of water plants and marsh plants into the cellar or underground for overwintering. The temperature in this room should not drop below 4 to 6 degrees Celsius. Always keep the soil moist during the winter.

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Keep aquatic plants in winter

Take care of overwintering fish. Feed them concentrate with vitamins. We recommend Tetra “Pond Koi Wheaterm Sticks”, 1 liter, for koi carp in autumn and winter. For other ornamental fish – universal fish food Tetra “Pond Wheatgerm Sticks”, 1 liter. You can also buy these feeds together with a four-section fish feeder.

At a depth of 1.5-1.8 meters the ground water temperature usually does not fall below +4 ° C, even in a hard frost. This is quite enough to ensure that the fish do not die. However, if the pond formed a solid ice, the water can not get oxygen and swamp gases can not escape. The fish can suffocate from lack of oxygen. On the other hand, the lack of oxygen keeps the fish moving, so the energy expenditure and therefore the need for oxygen increases. This depletes the fish, it may not live to spring. Therefore, it is necessary to ensure a sufficient amount of oxygen in the water.

Equipment for making holes in the pond in winter

In the winter, when the pond is covered with a crust of ice, it is important to maintain openings so that harmful gases can evaporate and the aquatic environment of the pond can be accessed if necessary. There are several options available:

A biologic product to reduce the buildup of noxious gases beneath the ice

In winter, ground sediments from the deposition of fish waste, dead plants and algae begin to decompose and release pollutants and gases. If there are not enough holes on the surface of the ice crust or there is no possibility to form them, special biological preparations come to the rescue, which fight the soil substances and remove toxins from the water, which can lead to the death of fishing. Online store “Kapelka” recommends the use of Bioberd “Winter Stability”, which serves not only to reduce the concentration of toxic gases in the pond, but also to destroy harmful algae and saturate the pond with vital oxygen. This preparation is environmentally friendly, so it is absolutely safe for fish and helps to create a pleasant environment for them in winter. Read more about the preparation in the article “Biopreparation “Winter Resistant” for winter pond preparation”.

Enjoy your pond in winter!

Even in winter, your pond can be a lot of fun. Free the ice from the snow and make an ice rink! Set up a swimming spot next to the tub! Amaze your guests with winter fun! However, pay attention to your safety and especially the safety of children and pets. Protect openings carefully with nets and signal flags or flashlights.

Purchase devices and biologicals by calling 8 (495) 786-55-36 or by ordering online.

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