If maintenance has been neglected for a long time or if a garden pond that has become too small should be enlarged, a complete renovation is due, which is then usually associated with changes in the size and shape of the entire system will. The redesign begins with your garden paradise being drained with the help of a waste water pump is evacuated after the fish population and the plants, if they are to be used again later are.
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Freedom of construction for the new system
Now the plant remains, the accumulated sludge and the old pond liner are removed. It is best to use a sturdy cutter to separate the plastic sheets into several handy parts, which can then be peeled off more easily. Now the contours for the new pond system can be determined and marked with a rope. Then it goes to the earthworks with the modeling of the different pond and bank zones. Take a look at our tips on Create a pond.
Lining with pond liner
After the edge of the pond has been fixed, for example by means of concrete blocks laid in the mortar bed, and has been secured against slipping, spread an approx. 5 to 10 cm thick layer of sand on which strips of protective fleece are initially laid overlapping. The pond liner is spread over this and pulled evenly over the edges of the bank. Here is a brief overview of the recommended minimum thickness:
| Depth of the garden pond | Thickness of the polyethylene film (PE) |
|---|---|
| 80 cm | 0.8 mm |
| 0.8 to 1.5 meters | 1 mm |
| > than 1.5 meters | 1.5 mm |
| Depth of the garden pond | Thickness of the PVC film |
|---|---|
| > than 1.5 meters | 1 mm |
| > 1.5 meters | 1.5 mm |
| Depth of the garden pond | Strength pond fleece |
|---|---|
| > than 2 meters | 300 g / m2 |
| 2 to 3 meters | 500 g / m2 |
| > 3 meters | 1000 g / m2 |
Zone design and border planting
After the garden pond has now been completely renewed, the planting takes place, where you can create your design ideas for the different heights Pond zones Let free rein. Water-purifying plants in baskets filled with gravel, which can be easily fixed to prevent them from slipping, have proven their worth. At the end of the day, hide the ones that are still visible at the edges Pond liner with natural stones or Pebbles in different strengths.
Tips
If possible, use some of the old water to fill up the new pond for the first time. Only fresh water from the tap can lead to a shock in fish and is unhealthy for the very sensitive animals.
