If pond bottom sediment is not treated, toxic gases will greatly affect the health of the stock and the productivity of the crop. Although there are many ways to treat sediment in shrimp and fish ponds today, not all of them are effective and economical. For instance, lining the pond bottom with tarpaulin is quite costly, and not every farming household can afford it. Therefore, chephamvisinh.vn will now reveal an extremely economical and effective way to treat pond bottom sediment and toxic gases in shrimp and fish ponds. Please refer to the detailed article below!
How to treat shrimp and fish pond bottom sediment cost-effectively
1. Causes of Increasing Sediment Buildup in Shrimp and Fish Ponds
Where does the sediment at the bottom of shrimp and fish ponds come from? This is a question many farmers ask, since even after continuously dredging the pond, the sediment builds up again after just a short time. Here are some of the causes:
- Leftover feed accumulating in the pond
- Dead microorganisms
- Waste from the farmed stock
- Water flow causing erosion of the pond soil
- Soil around the pond banks being washed away
- Minerals and lime
- Dissolved organic matter and toxic gases in the pond
Pond bottom sediment forms quickly due to many causes
Pond sediment mostly forms from waste produced by the farmed stock, undecomposed microorganism remains, and leftover feed that settles to the pond bottom as sludge. If not properly treated, it will continue to accumulate into polluted, foul-smelling sediment.
2. A Range of Harmful Effects of Pond Sediment You May Not Know About
Pond bottom sediment is a common problem that affects water quality and the health of shrimp and fish. Pond sediment is a mixture of organic waste, leftover feed, shrimp and fish excrement, and dead plant and animal matter, among other things. When it accumulates excessively, sediment causes the following problems:
- Reduces water alkalinity and pH, creating favorable conditions for harmful bacteria to grow.
- Pollutes the water environment, affecting the health of shrimp and fish.
- Reduces the water’s capacity to dissolve oxygen, making it difficult for shrimp and fish to breathe.
- Creates favorable conditions for toxic algae to grow, causing disease in shrimp and fish.
2.1 Reducing Oxygen Levels and Creating Conditions for Pathogens and Toxic Gases to Develop in the Pond
Excessive pond sediment reduces the dissolved oxygen level in the pond, causing shrimp and fish to become oxygen-deprived. At the same time, pond sediment creates favorable conditions for pathogens and toxic gases such as H2S, NO2, and NH3 to form at the pond bottom. High toxin concentrations can cause mass die-offs of shrimp and fish.
2.2 Causing Poisoning in Shrimp and Fish
Excessive pond sediment is an excellent nutrient source for toxic algae to grow out of control. Algae not only pollute the pond water but also reduce oxygen levels and poison shrimp and fish that ingest it.
2.3 Affecting the Health of Shrimp and Fish
Excessive pond sediment reduces the oxygen level in the pond. This causes shrimp and fish to become stressed and prone to various diseases. In addition, the toxic gas H2S generated from bottom sediment also causes shrimp and fish to lose their appetite, poses hazards to humans, and degrades water quality.
Excessive pond sediment negatively affects the growth of shrimp and fish, and can even cause mass mortality
2.4 Polluting Pond Water
Excessive pond sediment causes white foam to form on the surface, makes the water turbid, and produces a foul odor. Degraded water quality greatly affects the health of shrimp and fish and reduces the productivity of the farming crop.
Given these worrying effects of pond sediment, many farmers can’t help but worry about their stock and their crop. Therefore, chephamvisinh.vn shares with farmers the most effective and economical way to treat sediment in shrimp and fish ponds right below.
3. Effective Ways to Treat Shrimp and Fish Pond Bottom Sediment
To effectively treat sediment in shrimp and fish ponds, the following measures can be applied:
3.1 Cleaning and Drying the Pond
This is the simplest and most effective measure for treating pond bottom sediment. After each farming cycle, the pond should be cleaned and dried to remove sediment and other waste.
How to clean the pond:
- Use a sludge pump to remove all the sediment from the pond bottom.
- Use a filter net to remove other waste.
- Use lime powder to disinfect the pond.
How to dry the pond:
- Remove the pond bottom liner.
- Use a pump to drain all the water from the pond.
- Dry the pond under direct sunlight for about 7-10 days.
3.2 Managing Appropriate Feed Amounts for the Stock
Leftover feed is one of the main causes of pond bottom sediment. Therefore, feed needs to be managed appropriately to minimize the amount left over.
How to manage feed:
- Feed the correct amount at the correct times.
- Check the amount of leftover feed after feeding.
- Switch to fresh feed if too much is left over.
3.3 Using a Suitable Pond Bottom Liner
A pond bottom liner helps prevent sediment from building up. Therefore, it’s important to choose a suitable liner to ensure water quality and the health of shrimp and fish.
How to choose a pond bottom liner:
- Choose a liner with high thickness and durability.
- Choose a dark-colored liner for better heat absorption.
3.4 Rechecking the Pond Design
An improper pond design is also a cause of bottom sediment. Therefore, the pond design should be rechecked to ensure the bottom slope and pond depth are appropriate.
How to check the pond design:
- Measure the slope of the pond bottom.
- Measure the depth of the pond.
The secret to the most cost-effective and efficient way to treat pond bottom sediment
3.5 Properly Arranging Paddlewheel Aerators in the Pond
Paddlewheel aerators help circulate the water in the pond, limiting sediment buildup. Therefore, they should be arranged properly in the pond to ensure water quality.
How to arrange aerators in the pond:
- Place aerators at the corners of the pond to create water flow.
- Place aerators in the middle of the pond to create a vortex.
3.6 Using a Siphon to Remove Bottom Sediment
A siphon is a tool that effectively removes bottom sediment. However, sediment should only be siphoned when necessary to avoid disrupting the pond’s ecosystem.
How to use a siphon to remove bottom sediment:
- Place the siphon at the lowest point of the pond bottom.
- Use your hands or feet to create suction.
- Draw the sediment out of the pond.
3.7 Using Microbial Products to Treat Bottom Sediment
Microbial products can decompose bottom sediment and organic waste in ponds. Therefore, microbial products can be used to treat pond bottom sediment. The two best microbial products for treating pond sediment today are: Emzeo TS Biological Product and EM Aquaculture-Based Product
How to use microbial products to treat bottom sediment:
- Mix the microbial product with water according to the detailed instructions
- Release the microbial product into the pond.
- Use an aerator to dissolve the microbes in the water and activate the microbial system for effective results
⫸ See also: Solutions for treating foul-smelling, polluted fish pond water quickly and thoroughly
⫸ See also: Which microbial pond-bottom treatment product is best today
3.8 Making Use of Pond Sediment After Treatment
After removing bottom sediment, many farming households simply discard it entirely, wasting a natural source of nutrients. In fact, pond sediment that has been properly treated can be reused effectively:
- Compost the sediment with microbial yeast or biological products to create organic fertilizer for crops.
- Use sun-dried sediment to improve field soil, increasing fertility and moisture retention.
- Dilute the treated sediment to fertilize water in fish nursery ponds or for growing aquatic vegetables.
In this way, if farmers make proper use of it, they can not only reduce sediment treatment costs but also turn waste into a useful resource, contributing to sustainable agricultural development.
4. An Effective, Cost-Optimized Way for Farmers to Treat Shrimp and Fish Pond Bottom Sediment
Emzeo TS microbial product for treating shrimp and fish ponds is regarded as the most effective and cost-optimized solution for pond-related issues, especially the buildup of bottom sediment. The product is currently used and highly rated by a large number of farmers. Below is detailed information about the product and how to use it:
4.1 Ingredients in One Package of Emzeo TS Microbial Product
Emzeo TS microbial product is a powdered biological product weighing 250g, manufactured by Đức Bình Biotechnology Co., Ltd. on a modern production line. The package contains a selection of specialized, high-potency microorganisms such as: Bacillus subtilis, Bacillus pumilus, Bacillus licheniformis, Bacillus megaterium, Saccharomyces cerevisiae, Bacillus amyloliquefaciens, and Lactobacillus spp., among others.
- Total specialized microorganisms: > 2.5 *10^9 CFU (CFU: colony-forming unit);
- Total synthetic enzymes: > 15,000 IU (IU: enzyme activity unit);
- Filler: sufficient quantity;
Emzeo TS microbial product is regarded as the most effective solution for treating bottom sediment in shrimp and fish ponds
Emzeo TS microbial product contains no hormones, antibiotics, or any other harmful growth stimulants. As a biological product, it is safe for humans and friendly to the environment and the health of the farmed stock.
⫸ Buy the product: EmzeoTS Biological Product for Treating the Aquaculture Pond Environment
4.2 Main Benefits of Emzeo TS Microbial Product
With the ingredients above, Emzeo TS offers the following main benefits:
Reduces odor and turbidity and stabilizes water color in ponds
With billions of highly effective, high-potency beneficial microorganisms, Emzeo TS quickly breaks down poorly soluble substances into soluble ones, decomposes bottom sediment, organic residue, shrimp and fish waste, and leftover feed, and breaks down toxins, keeping pond water clear and free of turbidity and odor. The pond bottom stays free of slime and dirty sludge.
Reduces the formation of toxic gases and harmful agents in pond water
Emzeo TS significantly reduces the amount of sediment at the bottom of the pond thanks to its rapid decomposition of excess organic matter, dead algae, shrimp and fish waste, and more. This, in turn, helps reduce the formation of toxic gases such as N, NH3, NO2, H2S, and other agents that are harmful to pond water.
Emzeo TS microbial product offers many benefits for ponds, significantly reducing the formation of bottom sediment
Helps stabilize pH in the pond
Emzeo TS microbial product helps stabilize pH in the pond, reducing sudden pH fluctuations that could affect the growth of shrimp and fish.
Inhibits the growth of harmful bacteria
Emzeo TS microbial product helps inhibit the growth and spread of harmful bacteria while creating favorable conditions for beneficial microorganisms involved in treating sediment in shrimp and fish ponds to thrive.
4.3 Instructions for Using Emzeo TS Microbial Product to Effectively Treat Pond Bottom Sediment
To increase the number of beneficial microorganisms and the activity of the microbial product in breaking down organic matter, residue, and waste in order to reduce pond bottom sediment, farmers need to activate the product first.
To activate the product, dissolve 1 package of EmzeoTS in 2 liters of molasses, then add 48 liters of clean water. Once the mixture is thoroughly stirred, seal the container and let it ferment for 24-48 hours. The result will be 50 liters of activated microbial product.
This 50 liters of activated product can be used for shrimp and fish ponds holding 2,000 to 3,000 m3 of water. Farmers should apply this activated microbial product to their ponds early in the morning or in the cool afternoon. To increase the effectiveness of bottom sediment treatment, apply the product as follows:
- Month 1: Apply the activated product once every 10 days.
- Month 2: Apply the activated product once every 7 days.
- Month 3: Apply the activated product once every 5 days.
- Month 4: Apply the activated product once every 3 days.
Depending on the level of pollution in the pond water and the amount of bottom sediment, you can increase or decrease the amount of activated product used to ensure the best treatment results at the lowest cost.
4.4 Notes on Storing and Using Emzeo TS Microbial Product
For the microbial product to achieve maximum effectiveness, farmers should keep the following points in mind:
- Store in a dry, well-ventilated place, away from direct sunlight.
- Do not mix the product with chemicals, lime, or antibiotics at the same time.
- When using it, apply it early in the morning or in the cool afternoon to avoid strong sunlight reducing the microbial activity.
- On days with heavy rain, or when the pond shows signs of foaming or turbid water, increase the frequency of product application to rebalance the water environment.
5. Practical Experience from Long-Time Farmers
According to many farming households in the Mekong Delta and Central regions, some combined experiences for effective sediment treatment include:
- In addition to using microbial products, farmers need to maintain a stable water depth of 1.2-1.5m. Avoid letting the water level get too shallow, as this raises the temperature and speeds up sediment decomposition, generating toxic gas.
- Some households also make use of water that has been microbially treated to irrigate crops or raise tilapia, saving costs while creating a circular ecosystem.
- Toxic gas levels should be checked periodically with a test kit; if NH₃ or NO₂ concentrations exceed the permitted threshold, apply more microbial product or replace 20-30% of the pond water.
- In particular, combined organic-biological farming models are being encouraged, as they help control the natural environment better and increase the commercial value of the product when sold. Clean shrimp and fish with little sediment odor are purchased by traders at prices 10-15% higher.
Conclusion
As you can see, treating pond bottom sediment is not simply a cleaning task but an important part of an overall strategy for more effective aquaculture. Above is the method for treating shrimp and fish pond bottom sediment that is widely applied and highly rated by farmers. We hope that with these insights from Đức Bình Microbial Products in this article, we have blown away farmers’ worries about excessive pond bottom sediment.
⫸ See also: Which pond water treatment product is best?
⫸ See also: How to raise eels in a cement tank without sediment, using proper techniques
Contact Information
Đức Bình Microbial Products – Center for Research and Application of Biological Products, specializing in researching, manufacturing, and applying product lines such as: microbial products, septic tank products, wastewater treatment products, aquaculture products, biological preparations, and more. Our team of aquaculture engineers shares plenty of aquaculture tips for highly effective, safe, and sustainable farming
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