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Why sludge forms on your oil tank
Over time, water condensation and particulates settle at the bottom of oil tanks, forming sludge that can clog filters and strain your burner. Outdoor tanks see more condensation swings—and more sludge risk.
Cold-weather gelling
When temps drop, wax crystals can gel and restrict fuel flow—especially in outdoor oil tanks and long exterior lines. Symptoms include burner lockouts and weak flames during cold snaps.
Prevention checklist
- Use winter additives in cold months
- Keep oil tanks as full as practical to reduce condensation
- Change filters annually (or per manufacturer)
- Insulate/shorten exterior lines where possible
- Schedule periodic tank inspections for corrosion and water
Outdoor tank tips
Consider a covered enclosure, wind shielding, and a darker finish to absorb solar warmth. Where feasible, relocate lines indoors or use low‑temperature rated hoses and filters.
When problems strike
If your system locks out during a freeze, call us. Do not apply open flame or unsafe heaters to the oil tank/lines. We can treat fuel, replace filters, and restore flow safely.
Long‑term care
An annual tune‑up with nozzle and combustion check, plus a water draw or treatment when needed, keeps systems efficient and dependable.
Stay ahead of winter
Ask about additive schedules and automatic delivery before the first Nor’easter. Prevention beats emergency service every time.
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Ready to order or set up automatic delivery? Call us or place an order online. For emergencies, please call so we can triage quickly.