Bio septic tanks are the future of sustainable waste management. If you’re in Chennai and looking for the best bio septic tank, you’ve come to the right place. In this comprehensive 2025 buyer’s guide, we will cover everything from pricing, installation, advantages, and maintenance of bio septic tanks, specifically from Micro Bio Enviro System.
Let’s dive in!
What is a Bio Septic Tank?
A bio septic tank is an advanced wastewater treatment system that uses bacteria and enzymes to break down sewage waste efficiently. Unlike traditional septic tanks, bio septic systems prevent sludge accumulation and eliminate the need for frequent manual cleaning.
Why is a Bio Septic Tank Essential in Chennai?
Chennai faces severe water pollution and sewage disposal issues due to rapid urbanization. Many areas lack proper drainage facilities, leading to contaminated groundwater and sanitation problems. Installing a bio septic tank in Chennai ensures:
- Eco-friendly waste disposal
- Reduction of foul odors
- No manual sewage cleaning required
How Bio Septic Tanks Work?
Biological Decomposition Process
Bio septic tanks work by breaking down organic waste using anaerobic bacteria. These bacteria convert solid waste into water and gases, making it a self-sustainable sewage treatment system.
Step-by-Step Working Mechanism:
- Waste enters the bio septic tank from toilets and sinks.
- Anaerobic bacteria break down solid waste into sludge.
- Water gets filtered through different chambers, reducing harmful bacteria.
- Decomposed waste is converted into gas and released harmlessly into the air.
- Treated water can be reused for gardening and irrigation.
Difference Between Traditional Septic Tanks and Bio Septic Tanks
| Feature | Traditional Septic Tank | Bio Septic Tank |
|---|---|---|
| Maintenance | Requires frequent cleaning | Low maintenance |
| Odor Control | Emits strong odors | No foul smell |
| Water Recycling | Not possible | Recycled water can be reused |
| Eco-Friendly | Not environmentally friendly | 100% eco-friendly |
Benefits of Bio Septic Tanks in Chennai
1. Eco-Friendly Waste Management
A bio septic tank decomposes waste naturally, reducing pollution and preventing groundwater contamination.
2. No Sewage Overflow Issues
Unlike conventional septic tanks that often overflow, bio septic tanks have a continuous waste treatment cycle, eliminating blockages.
3. Cost-Effective and Low Maintenance
Bio septic tanks:
- Do not require manual sewage removal
- Last for decades with minimal upkeep
- Reduce household plumbing issues
Best Bio Septic Tank Models from Micro Bio Enviro System
If you’re looking for the best bio septic tank in Chennai, Micro Bio Enviro System offers a range of models suitable for different household sizes.
| S.NO | MODEL NAME | NUMBER OF USERS | NO’S OF COMPOSITE TANK | DEHYDRATION TANK | CAPACITY | PRICE | GST |
|---|---|---|---|---|---|---|---|
| 1 | MIC 2.5KL | 2 to 3 | 1 no (1500 L) | 1 no (1000 L) | 2500 L | ₹68,000 | 18% |
| 2 | MIC 4KL | 5 to 6 | 2 no (3000 L) | 1 no (1000 L) | 4000 L | ₹79,000 | 18% |
| 3 | MIC 5KL | 8 to 10 | 2 no (3000 L) | 2 no (2000 L) | 5000 L | ₹89,000 | 18% |
| 4 | MIC 6KL | 10 to 15 | 2 no (3000 L) | 3 no (3000 L) | 6000 L | ₹98,000 | 18% |
| 5 | MIC 7.5KL | 15 to 20 | 3 no (4500 L) | 3 no (4000 L) | 7500 L | ₹1,18,000 | 18% |
Price List of Bio Septic Tanks in Chennai (2025 Updated Prices)
Detailed Price Breakdown
- MIC 2.5KL (2-3 Users) – ₹68,000 + 18% GST
- MIC 4KL (5-6 Users) – ₹79,000 + 18% GST
- MIC 5KL (8-10 Users) – ₹89,000 + 18% GST
- MIC 6KL (10-15 Users) – ₹98,000 + 18% GST
- MIC 7.5KL (15-20 Users) – ₹1,18,000 + 18% GST
GST and Other Charges
All bio septic tanks come with 18% GST, and installation charges vary based on location.
Installation Process of a Bio Septic Tank
Installing a bio septic tank requires proper planning and professional execution. Here’s a step-by-step guide to ensure a smooth and efficient installation.
Step-by-Step Guide for Installation
Step 1: Site Selection
- Choose a location away from water sources to prevent contamination.
- Ensure the area has proper drainage to avoid waterlogging.
Step 2: Excavation and Foundation Preparation
- Dig a pit according to the tank size and depth requirements.
- Lay a strong concrete base to provide stability and prevent tank movement.
Step 3: Tank Placement and Connection
- Lower the bio septic tank into the pit carefully using lifting equipment.
- Connect inlet and outlet pipes to the house drainage system.
- Seal all connections to prevent leaks.
Step 4: Filling and Bacterial Activation
- Fill the tank with clean water to stabilize it.
- Add bio-cultures (bacteria) to start the waste decomposition process.
Step 5: Covering and Final Checks
- Cover the tank with soil and protective layers.
- Check for leaks, proper flow, and odor control.
- Your bio septic tank is now ready to use!
Time Required for Installation
The entire installation process usually takes 2 to 5 days, depending on the tank size and site conditions.
Factors to Consider Before Buying a Bio Septic Tank
Choosing the right bio septic tank is crucial for efficient wastewater management. Here are the key factors to consider:
1. Household Size and Capacity Requirements
- Small family (2-3 members) → MIC 2.5KL
- Medium family (5-6 members) → MIC 4KL
- Large family (8-10 members) → MIC 5KL
- Bigger households (10-15 members) → MIC 6KL
- Apartments/Hostels (15-20 members) → MIC 7.5KL
2. Space Availability
- Ensure you have enough space for installation.
- Smaller homes may require a compact septic tank model.
3. Budget Considerations
- Higher capacity tanks cost more but offer better performance.
- Factor in installation costs and maintenance expenses.
Micro Bio Enviro System – A Trusted Brand in Chennai
Micro Bio Enviro System is a leading provider of bio septic tanks in Chennai, specializing in eco-friendly and cost-effective sewage solutions.
Why Choose Micro Bio Enviro System?
✅ High-Quality Tanks – Made from durable materials.
✅ Advanced Bacterial Technology – Ensures efficient waste breakdown.
✅ Affordable Pricing – Competitive rates with GST transparency.
✅ Quick Installation – Professional installation services available.
✅ Minimal Maintenance – No frequent cleaning required.
Comparison: Bio Septic Tanks vs. Conventional Septic Tanks
| Feature | Conventional Septic Tank | Bio Septic Tank |
|---|---|---|
| Waste Breakdown | Partial decomposition | Complete breakdown |
| Odor Issues | Strong odor | No foul smell |
| Cleaning Required | Frequent manual cleaning | No manual cleaning |
| Eco-Friendliness | Causes pollution | 100% eco-friendly |
| Water Recycling | Not possible | Reused for irrigation |
| Installation Cost | Low upfront cost | Higher initial investment, but cost-effective long term |
✅ Verdict: Bio septic tanks are the better choice for long-term use, lower maintenance, and environmental benefits.
Maintenance and Care Tips for Bio Septic Tanks
Proper maintenance ensures a long lifespan and efficient functioning of your bio septic tank.
Do’s and Don’ts
✅ Do’s:
- Use bio-friendly cleaning products.
- Conduct regular inspections to check for leaks.
- Use bacterial additives for improved waste breakdown.
❌ Don’ts:
- Avoid disposing of plastic, grease, and chemicals.
- Do not overload the system with excessive waste.
- Never use bleach or strong detergents, as they kill beneficial bacteria.
How to Extend the Lifespan of Your Bio Septic Tank?
- Proper Waste Segregation – Dispose of solid waste separately.
- Timely Inspections – Check pipes and outlets every 6-12 months.
- Use Enzyme Boosters – Helps maintain healthy bacterial growth.
Common Problems and Troubleshooting Tips
1. Blockages and Clogging Issues
🔹 Solution: Use biodegradable cleaners and schedule periodic pipe flushing.
2. Foul Odor Issues
🔹 Solution: Ensure proper ventilation and use bacterial boosters.
3. Slow Drainage
🔹 Solution: Inspect for blockages and maintain proper waste disposal habits.
Best Places to Buy Bio Septic Tanks in Chennai
Online vs. Offline Purchase
- Online Purchase: Convenient, but ensure you’re buying from authorized suppliers.
- Offline Purchase: Best for personalized service and installation support.
Authorized Dealers and Suppliers
- Micro Bio Enviro System (Direct purchase and installation services available).
Government Regulations and Guidelines in Chennai
Legal Requirements for Septic Tanks
- Follow Chennai Metropolitan Water Supply & Sewerage Board (CMWSSB) guidelines.
- Ensure proper licensing and approvals for installation.
Compliance with Pollution Control Norms
- Use certified bio septic tanks to meet environmental safety standards.
Customer Reviews and Testimonials
✅ “Best investment for my home! No odor, no maintenance!” – Rajesh K., Chennai
✅ “Great service from Micro Bio Enviro System. Installed in just 3 days!” – Priya S., Anna Nagar
✅ “Cost-effective and eco-friendly. Highly recommend bio septic tanks!” – Arvind R., Tambaram
Conclusion & Final Thoughts
If you’re looking for an eco-friendly, low-maintenance sewage system, a bio septic tank is the best choice. With Micro Bio Enviro System, you get high-quality tanks, expert installation, and long-term savings.
Which Bio Septic Tank Should You Buy?
- For Small Homes → MIC 2.5KL
- For Medium-Sized Homes → MIC 4KL / MIC 5KL
- For Large Homes / Apartments → MIC 6KL / MIC 7.5KL
FAQs
1. How long does a bio septic tank last?
A bio septic tank lasts 20+ years with proper maintenance.
2. Does a bio septic tank need regular cleaning?
No, bio septic tanks self-clean using bacterial decomposition.
3. Can bio septic tanks be installed in small homes?
Yes! Compact models like MIC 2.5KL are ideal for small households.
4. What is the cost of installation?
Installation costs range from ₹5,000 to ₹15,000, depending on site conditions.
5. Where can I buy a bio septic tank in Chennai?
You can buy directly from Micro Bio Enviro System, an authorized supplier in Chennai.