Septic Tank Filter: Essential Care & Maintenance Tips In 2023
Your septic tank plays a crucial role in your property's plumbing system, and its filter is the unsung hero ensuring its smooth operation. A septic tank filter is a vital component that helps prolong the life of your septic system and protects your soil absorption area. It's essential to understand its function, maintenance, and types to ensure optimal performance.

The septic tank filter serves two primary purposes: it prevents solids from passing into the drainage area and allows bacteria present in the septic tank to do their job effectively. By trapping solids, it extends the lifespan of the soil absorption area and minimizes the need for pumping and expensive system repairs. Understanding these roles and how various types of filters function can help you maintain and replace your septic tank filter effectively.

Types of Septic Tank Filters
Several types of septic tank filters are available, each with its unique features and advantages.

1. Effluent Filter: Installed at the outlet of the septic tank, this filter captures solids and removes most suspended solids before the effluent reaches the drain field. Effluent filters are designed to maintain their effectiveness even in low-flow conditions.
Advantages of Effluent Filters

- Improves soil absorption area lifespan
- Reduces the need for regular maintenance and pumping
- Pre-treats water before it reaches the drain field
Disadvantages of Effluent Filters
- Higher upfront cost compared to other filter types
- Requires routine cleaning and maintenance

2. R Biography Filter: Installed inside the septic tank, this filter uses a fine-bubble diffuser to agitate the sludge surface and facilitate better bacterial action. The resulting biomass then passes through a fine, static screen that traps solids while allowing treated water to flow into the drain field.
Advantages of BioDisc Filters
- Reduces solids accumulation in the tank
- Enhances bacterial activity, improving treatment efficiency
- Minimizes the need for routine pumping and maintenance

Disadvantages of BioDisc Filters
- Can cause system backup if not properly maintained
- Not suitable for systems with high solid or grease content










Septic Tank Filter Maintenance
Regular maintenance is essential to ensure your septic tank filter continues to function efficiently. Neglecting to care for your filter can lead to clogging, reduced filter lifespan, and costly repairs.
Inspecting Your Filter
Regularly inspecting your filter can help you stay on top of any issues and address them promptly. Here's what to look for:
- Signs of clogging or build-up
- Damage or cracks
- Gunks or grease accumulation on the filter surface
Cleaning Your Filter
When cleaning your septic tank filter, wear appropriate protective gear and keep your face away from the filter to avoid exposure to harmful gases.
1. Backwashing: Most filters can be backwashed by reversing the system's flow for a few minutes. Consult your manufacturer's guidelines for specific instructions.
2. Manual Cleaning: For severe clogging or grease build-up, you may need to remove the filter for manual cleaning. Soak it in a biodegradable cleaner or hydrogen peroxide solution for 24 hours before thoroughly rinsing it and reinstalling it.
As a final thought, understanding your septic tank filter's role and maintaining it regularly can extend the life of your entire septic system and protect your property's value. Therefore, it's essential to educate yourself about your septic system and work with a professional to ensure your filter continues to serve you effectively.