Removing pond silt
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Pond Silt Removal: A Roadmap for a Healthy Pond
Removing pond silt is an essential task for any pond enthusiast. Pond silt is created by the accumulation of organic material such as dead leaves, aquatic plants and algae, as well as external influences such as dust and non-organic waste. This sludge layer can cause problems such as cloudy water, bad odour and an unhealthy pond environment. It is therefore important to regularly remove pond silt to maintain the balance in the pond.
Here is a clear step-by-step plan for efficient pond silt removal.
Step 1: Inspection of the pond
Before you start removing pond silt, it is important to properly inspect the state of your pond. Note the following points:
- How much sludge is at the bottom? You can determine this by gently going to the bottom with a stick or using a transparent tube as a dipstick.
- How healthy are the aquatic plants? Often, excessive silt indicates poor aquatic plant condition and reduced biodiversity.
- Are there signs of anaerobic degradation? Anaerobic degradation, caused by too much sludge, often leads to unpleasant odours and can contaminate the water with pollutants.
Step 2: Mechanical removal of pond silt
- Use a pond hoover to suck up silt from the bottom without drastically changing the water level. This is an effective but labour-intensive method.
- Shovelling sludge can also be an option for smaller ponds. Here, use a pond scoop or a special silt net to gently scoop up the silt layer from the bottom.
Note that mechanical removal of silt can disturb the pond and cause cloudy water. There is also a risk of damaging the pond liner, which can cause leaks.
Step 3: Biological Sludge Removal
Besides mechanical methods, there is also an environmentally friendly option to remove pond silt using biological products. Bio-Pond is an excellent choice for biodegrading pond silt.
How does Bio-Pond work?
- Micro-organisms in Bio-Pond feed on the organic parts of pond silt. These natural micro-organisms are safe for the pond and contribute to a healthier pond environment.
- Operation from the bottom: After spreading the Bio-Pond pellets, they sink to the bottom and start the sludge decomposition process without causing oxygen deficiencies.
- Low-oxygen environment: Bio-Pond requires only 0.2 mg/l of oxygen, which means it continues to work effectively even under oxygen-deficient conditions.
Step 4: Maintenance and Prevention of Pond Silt
Prevention is always better than cure. Through proper pond maintenance, you can reduce the accumulation of pond silt:
- Prune aquatic plants regularly and remove fallen leaves and other organic material to prevent excessive siltation.
- Use a pond net in autumn to keep falling leaves out of the water.
- Check water quality regularly and add oxygen plants if necessary to maintain the balance of the pond.
Bio-Pond: Product to remove pond silt
To make the time-consuming job of pond silt removal simplify, there is Bio-Pond, a product specially developed for smaller ponds. Bio-Pond contains natural micro-organisms that feed on the organic sludge layer, restoring balance in the pond.
Advantages of Bio-Pond
- Easy to use: Sprinkle Bio-Pond granules evenly over the pond's water surface. The pellets will sink to the bottom and do their job without disturbing the water.
- Improving water quality: The controlled decomposition of pond silt improves water quality. It even releases more CO2, which stimulates the growth of aquatic plants.
- Prevents oxygen deficiency: Bio-Pond already works at minimum oxygen levels, minimising the risk of oxygen depletion.
- Long-lasting effect: With regular application in spring and autumn, you can reduce up to half of the silt layer in one year.
Dosage and application of Bio-Pond
- Sprinkle 200 grams of Bio-Pond per square metre of pond surface twice a year (spring and autumn). For a 2 by 3 metre pond, for example, you will need 1.2 kg at a time.
- Recommended period: It is best to apply Bio-Pond between mid-September and mid-November, and between mid-March and the end of May.