April 2026 - RV Flush Guide

How to Fix a Stuck RV Black Tank Gate Valve (Without the Mess)

April 4, 2026 by Daniel Brooks

RV black tank gate valve being opened at dump station with sewer hose connected

Quick Answer To fix a stuck RV black tank gate valve, start with silicone-based lubricant — never WD-40 — applied directly to the valve stem and gate. If the tank is empty, work the valve handle while applying lube. If the tank is full, use the drill-hole method as a last resort: drill into the … Read more

How to Winterize an RV Toilet With Antifreeze (Step-by-Step Guide)

April 1, 2026April 1, 2026 by Daniel Brooks

RV toilet winterized with pink antifreeze inside bowl

⚡ Quick Answer: Flush the toilet until pink RV antifreeze appears in the bowl, hold the pedal a few extra seconds, then pour 1–2 cups directly into the bowl. Flush an additional 1–2 quarts into the black tank (strongly recommended). Always use non-toxic propylene glycol-based RV antifreeze. DIY cost: $25–$100. Most winterization guides treat the … Read more