RV Gray Water Tank: How It Works, Size, Dumping & Care

RV Gray Water Tank How It Works, Size, Dumping & Care

TL;DR An RV gray water tank collects wastewater from your sinks and shower. It does not hold toilet waste. It’s a separate system from the black tank (toilet waste) and the fresh water tank (your drinking and washing supply). There’s no standard gray tank size. Capacity depends on your RV’s floorplan, and larger RVs sometimes … Read more

Gobius Pro vs SeeLevel: Which RV Tank Monitor Is Better?

Gobius Pro vs SeeLevel Which RV Tank Monitor Is Better

TL;DR SeeLevel is the stronger pick for most RV owners with conventional plastic or polyethylene holding tanks because it gives a percentage-based 0-100% readout instead of a simple on/off signal. Gobius Pro earns its place when a tank is metal, something SeeLevel can’t read at all. The real deciding factor isn’t Bluetooth or price. It’s … Read more

SeeLevel RV Tank Monitor Review (2026): Is It Worth the Upgrade?

SeeLevel RV Tank Monitor Review (2026) Is It Worth the Upgrade

TL;DR The SeeLevel II tank monitor swaps factory probe sensors for external strips that read levels through the tank wall, avoiding the direct fouling that causes most false full readings. Accuracy can still be affected by installation, tank shape, grounding, and nearby metal. At publication, Garnet lists a 709-BTP7 system with three senders at about … Read more

5 Best Portable RV Waste Tanks for Easy Dumping (2026)

5 Best Portable RV Waste Tanks for Easy Dumping (2026)

TL;DR: For most RV owners, the Camco Rhino 36-Gallon (39006) is the best overall portable RV waste tank. It has no-flat wheels, a 3-inch gate valve, and a built-in rinser. Need more capacity or rough-terrain wheels? The Barker 42-Gallon 4-Wheeler (30844) uses pneumatic tires. Want overfill protection instead? The Thetford Titan 35-Gallon (40952) adds an … Read more