Video
How to Dump RV Tanks the Right Way
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Summary
Use a designated dump station, wear disposable gloves, secure the sewer hose at both ends, dump the black tank first and then gray so the gray water rinses the hose, and close both valves before you disconnect. Read tank-chemical labels: the EPA warns some contain formaldehyde, which can harm septic systems.
Read the full step-by-step guide, with every official source.
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Full transcript
0:02 How do you empty RV holding tanks the right way?
0:06 Use a designated dump station.
0:08 Wear disposable gloves and connect the sewer hose securely at both ends.
0:13 A common routine is black tank first, then gray, so the gray water rinses the hose.
0:18 Close both valves before you disconnect, and follow your RV's manual.
0:23 Read tank chemical labels.
0:25 The EPA warns that some products contain formaldehyde, which can kill the bacteria septic systems rely on.
0:31 Enzyme and citrus-based products exist, and use no more than the recommended amount.
0:37 Don't put diapers, cat litter, grease or chemicals in the tanks, and even products labeled flushable can clog.
0:44 If something spills, the EPA says to report it to the local health department.
0:49 The full routine is at OpenSkiesRV.com.
Frequently asked questions
Where can I legally dump RV tanks?
At a designated RV dump station or a campsite sewer hookup. The EPA warns that illegal dumping can create health and environmental hazards.
Are RV tank chemicals bad for septic systems?
Some are. The EPA says some deodorizers contain chemicals such as formaldehyde that can kill septic bacteria and pollute ground water. Read labels and follow the directions.
Which tank do I empty first?
Follow the order in your RV’s owner’s manual, since layouts differ.
Sources
Related guides
How Do You Empty RV Holding Tanks the Right Way?
How to empty RV black and gray holding tanks safely: where you’re allowed to dump, what the EPA says about tank deodorizers and septic systems, what never goes in the tank, and a simple dump-station routine.
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Education only: general information, not legal, insurance, mechanical or other professional advice for your situation. Rules, fees, recalls and campground policies change and vary by state, park and manufacturer, so check the official source we link, your RV’s manual or a qualified technician before you act. We may earn money from ads and paid links; our advice isn’t for sale.