How Often Should a Grease Trap Be Cleaned?
There’s no one-size-fits-all answer — but one thing is clear: waiting too long is a bad idea. If you’re a service provider, this is a great opportunity to lead with education, not pressure.
The 1/4 Rule (And Why It Matters)
Most cities recommend cleaning a grease trap when it’s 25% full of fats, oils, and grease (FOG). Why? Because beyond that point, the trap becomes less effective and more prone to backups.
Typical Cleaning Frequency by Facility Type
- Fast food chains: Every 2–4 weeks
- Full-service restaurants: Monthly or bi-monthly
- Hotels & resorts: Monthly, depending on volume
- Schools / hospitals: Every 1–2 months
- Small cafés or bakeries: Every 2–3 months
Note: These are just averages. Some states or municipalities have strict requirements.
How to Talk to Clients Without Sounding Salesy
- Lead with facts: Use local regulations or the 1/4 Rule as neutral ground.
- Mention damage risk: Overflow can cause floor drain backups and foul odors — and that hurts business.
- Position it as prevention: Regular cleanings cost less than emergency calls or fines.
You’re not selling fear — you’re selling peace of mind and compliance. And that’s valuable.
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