Composting Toilets

TL;DR: An RV composting toilet fan not working is almost always a power problem, not a dead motor. Check the fuse, the connector, and the 12V voltage before you assume the worst. If the fan spins but it’s still not pulling air, the vent hose or insect screen is usually the real issue, not the … Read more

TL;DR: An RV composting toilet that’s too wet has several common causes: urine in the solids bin, over-watered coir at setup, a weak or failed fan, high ambient humidity, shower water in a wet bath, or rain entering through the exterior vent. For mild cases, add dry coir and confirm the fan is running. A … Read more

✓ TL;DR An RV composting toilet that is set up correctly produces, at most, a faint earthy smell. If yours smells like ammonia, sewage, or anything sharp, the cause is almost always traceable: the fan is failing, the urine bottle is overfull, the vent is blocked, urine has reached the solids bin, the compost medium … Read more

TL;DR Installing a composting toilet in your RV takes 2–4 hours and doesn’t require advanced electrical experience. You’ll remove the old toilet, cap the black tank inlet and water line, bolt down the new unit, run a vent hose to an exterior wall or roof, wire the 12V fan, and load coconut coir. The vent … Read more

RV composting toilet pros and cons come down to a simple trade-off: you use little or no water for flushing and stop sending toilet waste to your RV’s black tank, but you must handle separate liquid and solid waste. Whether that trade is worthwhile depends on your bathroom, camping habits, and access to approved disposal … Read more