It’s easy to forget about what you can’t see—especially when your fuel system seems to be working just fine. But just like the oil in your car or the filters in your HVAC system, your fuel tank needs regular attention to keep everything running safely and efficiently.
At Rebel Services, we’ve seen firsthand what happens when tank cleaning gets pushed to the back burner. Spoiler alert: it’s messy, expensive, and completely avoidable.
Why Fuel Tank Cleaning Matters
Even if you’re receiving high-quality fuel, over time, contaminants settle in your tank. We’re talking water, rust, algae, microbial growth, and sediment. These build-ups can lead to:
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Fuel quality degradation
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Clogged filters and equipment wear
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Corrosion and tank damage
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Compliance issues with regulatory standards
And worst of all? They usually don’t show up until it’s too late.
So, How Often Should You Clean It?
There’s no one-size-fits-all answer, but here’s what we recommend based on years of experience in the field:
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Every 3 to 5 years for most aviation fuel tanks under regular use
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Every 1 to 2 years if your fuel has a history of microbial growth or water contamination
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Immediately if you’re switching fuel types, notice contamination in your samples, or are experiencing reduced system performance
We also recommend a tank inspection at least once a year to assess internal conditions and spot potential issues early.
Signs Your Tank Might Need Cleaning Sooner
Not sure if your tank’s overdue? Look out for:
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Discolored fuel or sludge at the bottom during sampling
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Strong fuel odor changes or excessive sediment
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Water detection from regular bottom checks
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Clogged filters happening more often than usual
Tank Cleaning Is Preventative Maintenance—Not a Last Resort
Think of tank cleaning as a necessary part of your long-term fuel system care—not just a fix when things go wrong. A clean tank:
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Extends the life of your entire fueling system
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Improves fuel flow and quality
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Protects your equipment and your team
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Keeps you ready for inspection, anytime
Need a Professional Assessment?
If you’re not sure what’s lurking at the bottom of your tank, don’t play the guessing game. Rebel Services offers tank inspections and cleaning guidance to keep your operation in top shape year-round. Contact us today to schedule your cleanings.
