Few things are more annoying than a swarm of tiny flies around your sinks, drains, or septic tank. These pests, often called septic flies or drain flies, thrive in the moist organic matter inside septic systems and drain pipes. While they aren’t typically dangerous, they are unsanitary and a sign that waste buildup is present. If you’re asking yourself how to get rid of septic flies, the key is eliminating their breeding ground while keeping your septic system safe. In this guide, we’ll explain effective ways to remove them, safe treatments, and products that really work.
Quick Picks: Best Products for Septic Fly Control
- Green Gobbler Drain Gel Treatment – Best Overall: eco-friendly, septic-safe drain cleaner that dissolves buildup where flies breed.
- Bio-Clean Enzyme Drain Cleaner – Best Budget: live bacteria formula that eats organic waste and prevents fly infestations.
- InVade Bio Drain Gel – Best Premium: professional-grade drain gel used by pest control experts.
Buyer’s Guide: What Attracts Septic Flies?
- Moist Organic Buildup: Flies lay eggs in scum and sludge lining drain pipes and septic tanks.
- Slow or Clogged Drains: Standing water creates the perfect breeding ground.
- Cracks in Septic Lids: Openings in or around your tank allow flies to escape and spread.
- Lack of Maintenance: Without regular treatments, organic buildup feeds future infestations.
Step-by-Step: How to Get Rid of Septic Flies
- Clean Drains with Enzyme Gel: Use a septic-safe drain gel like Green Gobbler to dissolve buildup.
- Flush Pipes with Hot Water: Pour boiling water down affected drains to wash away eggs and larvae.
- Check Septic Lids and Vents: Seal any cracks or openings where flies may escape.
- Maintain Your Septic System: Regularly pump your tank and use bacteria treatments to prevent organic buildup.
- Use Traps for Adults: Sticky traps or vinegar bowls can help capture adult flies while treatments work.
Detailed Product Reviews
Green Gobbler Drain Gel Treatment
Who it’s for: Homeowners with visible drain fly infestations in sinks, tubs, or near septic lines.
- Key Benefits: Thick gel clings to pipes, dissolving grease and scum.
- Pros: Septic-safe; eco-friendly; highly effective.
- Cons: Requires multiple applications for heavy infestations.
Verdict: The best overall solution for killing larvae and preventing fly breeding.
Bio-Clean Enzyme Drain Cleaner
Who it’s for: Households that want an affordable, natural solution for septic maintenance and fly control.
- Key Benefits: Live bacteria digest organic waste, keeping pipes and tanks clean.
- Pros: Safe; eco-friendly; long-lasting.
- Cons: Works slowly—best as a prevention tool.
Verdict: A cost-effective way to keep drains clear and septic flies from returning.
InVade Bio Drain Gel
Who it’s for: Homeowners or businesses dealing with recurring or stubborn drain fly problems.
- Key Benefits: Professional-strength formula used in pest control treatments.
- Pros: Highly effective; long-lasting; powerful enzyme blend.
- Cons: Higher cost compared to consumer-grade products.
Verdict: The best premium option for tough infestations.
InSinkErator Bio-Charge Cleaner
Who it’s for: Homeowners with garbage disposals connected to septic systems.
- Key Benefits: Citrus-scented enzyme cleaner designed for disposals and drains.
- Pros: Freshens kitchen drains; septic-safe; easy to use.
- Cons: Works best as maintenance, not a cure for infestations.
Verdict: A convenient option for kitchens prone to drain fly issues.
Comparison Table
| Product | Type | Best For | Price Link |
|---|---|---|---|
| Green Gobbler Drain Gel | Enzyme Gel | Active infestations | See Price |
| Bio-Clean Enzyme Cleaner | Bacteria Powder | Prevention & maintenance | See Price |
| InVade Bio Drain Gel | Professional Enzyme Gel | Stubborn infestations | See Price |
| InSinkErator Bio-Charge | Disposal Enzyme Cleaner | Kitchen drains | See Price |
FAQ
1. What causes septic flies?
They breed in organic buildup inside drains, septic tanks, and slow-moving pipes.
2. Will bleach kill septic flies?
Bleach may kill some larvae but also harms septic bacteria. Enzyme cleaners are safer.
3. How long does it take to get rid of them?
With proper treatment, infestations usually clear up in 1–3 weeks.
4. Can septic flies come from my toilet?
Yes, if there is buildup in pipes or around the septic tank, flies may emerge through toilets and drains.
5. How can I prevent them from returning?
Use monthly enzyme treatments, keep drains clean, and ensure your septic tank is properly maintained.
Conclusion
Septic flies are a nuisance, but with the right approach, they can be eliminated safely. Enzyme-based drain treatments like Green Gobbler and Bio-Clean remove the breeding ground without harming your septic bacteria. For stubborn cases, professional-strength gels like InVade are highly effective. Pair treatments with good septic maintenance and sealed lids, and you’ll enjoy a fly-free home and a healthier septic system.