Effective and simple methods for treating grease in drains

Causes of Grease Buildup and Clogging in Drainage Pipes
Drainage pipes clogged with grease is a common issue in households, restaurants, eateries, resorts, and hotels, causing significant inconvenience. Below are some of the main causes leading to this situation:
- Pouring Grease and Food Scraps Directly Down the Drain: This is the most common cause. Grease left over from cooking or food scraps poured into the drain will solidify as it cools, clinging to the pipe walls and gradually accumulating to cause a blockage.
- Improper Pipe Design: Pipes that are too small, have too many sharp bends, or lack a proper slope are highly prone to clogging.
- Using Unsuitable Cleaning Agents: Certain chemical cleaners can react with the grease, creating precipitates that lead to further blockages.
See more: Why should we treat industrial wastewater?
What Are the Harmful Effects of Grease Buildup and Clogging in Drains?
Drains clogged with grease not only cause inconveniences in daily life but also harbor many other underlying hazards:
- Impact on Human Health: Stagnant wastewater creates ideal conditions for bacteria to multiply, leading to digestive illnesses and respiratory diseases.
- Environmental Pollution: Grease-laden wastewater discharged into the environment causes pollution to water sources, soil, and the air.
- Foul Odors: Clogged pipes generate unpleasant smells, affecting the quality of life for households and disrupting the business operations of service establishments.
- High Costs: Prolonged clogging puts pressure on the drainage system, potentially causing pipes to burst. Resolving grease blockages in piping systems is both highly expensive and time-consuming.
Effective and Simple Ways to Clear Grease in Drains
How can you handle this situation effectively, simply, and without taking up too much time? Let’s discover these methods to clear grease in drains below.
Clearing Grease in Drains Using a Mixture of Lemon, Salt, Vinegar, and Dish Soap
A mixture of lemon, salt, vinegar, and dish soap is one of the effective natural methods for treating grease in drains. When combined, these ingredients create a mildly acidic mixture that helps break down fats and grease adhering to the pipe walls.
Preparation
- 1 lemon
- 2 tablespoons of salt
- 1/2 cup of white vinegar
- 1 tablespoon of dish soap
- 4 liters of hot water
Step-by-Step Instructions
- Step 1: Cut the lemon, remove the seeds, and strain to collect the juice.
- Step 2: Dissolve and mix the lemon juice, salt, vinegar, and dish soap together.
- Step 3: Pour about 2 liters of hot water down the drainage pipe.
- Step 4: After about 5 minutes, pour the mixture of lemon, salt, vinegar, and dish soap down the drain and wait for 30 minutes to 1 hour.
- Step 5: Finally, pour the remaining 2 liters of hot water down the drain to wash away all the loosened debris.

Using Hot Water to Treat Grease in Clogged Drains
Using hot water to clear grease adhering to drainage pipe walls is a simple yet effective method. The high temperature helps soften and break down the structure of the fats, making it easier for them to wash down the drainage system.
Preparation
- About 4 liters of hot water (around 180°F / 80°C)
- A small amount of dish soap
Step-by-Step Instructions
- Step 1: Boil about 4 liters of water, add a small amount of dish soap, and stir well.
- Step 2: Slowly pour the hot water into the clogged drain, then seal the pipe opening tightly to keep the steam from escaping.
- Step 3: Wait for about 15–20 minutes to allow the hot water enough time to soften and melt the grease inside the pipe.
- Step 4: Afterward, flush the drain with cold water to cool down the pipes.

Using a Mixture of Baking Soda and Vinegar to Treat Grease in Drains
The mixture of baking soda and vinegar is a common and safe method to clear grease in drains. When these two ingredients combine, they create a chemical reaction that releases carbon dioxide gas, which helps break down the layers of grease adhering to the pipe walls.
Preparation
- 1/2 cup of baking soda
- 1 cup of white vinegar
- Hot water
Step-by-Step Instructions
- Step 1: Pour the baking soda directly into the clogged drain, followed immediately by the white vinegar. You will see the mixture foam up vigorously; use a cloth to seal the drain opening for about 15–20 minutes to allow the mixture enough time to react.
- Step 2: Finally, flush the drain with hot water to wash away all the loosened debris.
Note: You can adjust the amount of baking soda and vinegar depending on the severity of the clog. However, avoid pouring too much of the mixture into the drain at once, as it may cause backflow.

Clearing Grease in Drains Using Chemicals
Specialized drain-clearing chemical products contain chemical components that help quickly decompose grease and other debris inside the pipes. However, you must strictly follow the instructions for use and wear gloves, a face mask, and safety goggles to ensure safety and effectiveness.
Preparation
- Specialized chemical drain cleaners available on the market
Step-by-Step Instructions
- Step 1: Measure out an appropriate amount of the chemical according to the instructions provided on the product packaging.
- Step 2: Pour the chemical down the drain and leave it overnight.
- Step 3: The next morning, flush the drain with a strong force of water to clean and completely remove the grease inside the wastewater pipe.
Note: Frequent use of chemical drain cleaners can cause damage to your pipes. In some cases, it may be necessary to combine chemicals with mechanical methods, such as using a wire coat hanger or a drain plumbing snake, to increase the efficiency of the grease treatment.
Using Specialized Microbial Products to Treat Grease in Drains
As public awareness regarding environmental protection continues to grow, the use of microbial products to treat grease in drains has become increasingly popular. This is an effective, safe, and environmentally friendly solution.

Operating Principle of Microorganisms for Drain Grease Treatment
Microbial products for treating grease in drains contain specialized natural bacteria capable of decomposing grease, fats, and other organic matter into water and $CO_2$. When introduced into the drainage system, these bacteria attach themselves to the pipe walls, consuming the grease to multiply and grow.
Advantages of the Microbial Method for Drain Grease Treatment
- Safe: Microbial products are completely natural, posing no harm to human health or the environment.
- Long-Lasting Efficiency: They thoroughly decompose grease, preventing clogs from recurring. This process establishes a balanced microbial ecosystem within the drainage system, keeping the pipes continuously clean.
- Cost-Saving: It only requires periodic application in small dosages while maintaining long-term effectiveness.
Microbial Drain Grease Treatment Products by BioFix Fresh
BioFix Fresh provides microbial drain grease treatment products that are environmentally friendly, safe for users, and deliver high grease treatment efficiency. You can refer to and choose from the following products:
BAC GT-1202 Microbial Product: Specialized for treating grease and fats in industrial and residential drainage systems.

How to Use
The application method for microbial products varies depending on each specific product. Generally, you will dilute the product with water at a designated ratio as instructed on the packaging, then pour it directly into the drainage system.
Note: You should read the instructions carefully to ensure proper usage and achieve the highest efficiency. To maintain long-term effectiveness, it is recommended to use microbial drain grease treatment products periodically according to the manufacturer’s guidelines, and combine them with other preventative measures for optimal results.
See more: Recommended high-efficiency methods for treating grease in wastewater
Contact Professional Drain Grease Treatment Services
In cases where the drain is severely clogged, water drains very slowly, or it does not drain at all—and you have tried all the methods guided by BioFix Fresh without success—contacting a professional drain grease treatment service is the optimal solution.
Why Choose a Professional Service?
- Companies providing professional drain grease treatment services possess specialized drain-clearing equipment, helping resolve blockages quickly and effectively.
- With years of experience, technicians can rapidly identify the root cause and provide the most suitable solution.
- Attempting to clear severe clogs on your own can pose underlying risks, especially when handling harsh chemicals. Therefore, using a professional service is the best way to protect your wastewater treatment system.
BioFix Fresh – Provider of Drain Grease Treatment Products and Services
With years of experience and a team of professional technicians, BioFix Fresh is currently one of the leading units in providing products and services for treating oil, grease, and fats in drainage systems.
- BioFix Fresh products are manufactured using modern technology lines, ensuring long-lasting quality, effectiveness, and environmental friendliness.
- Our technical team will consult and provide a tailored drain grease treatment solution for each specific case.
- We offer products and services at reasonable prices, along with periodic maintenance plans to ensure your system always operates smoothly, helping you save on drainage system maintenance and repair costs.
Contact BioFix Fresh today for a consultation on the most suitable product!
BIOFIX FRESH TECHNICAL TRADING COMPANY LIMITED
Hotline: 1900 988 949
Email: info@biofixfresh.com
Address: 71 DH607 Road, Group 2, Ben Tuong, Ben Cat Ward, Ho Chi Minh City.



