RV Holding Tanks: Should You Leave Them Open or Closed?

In today’s episode Brian walks you through how we handle our RV’s holding tanks when we’re stationary for more than a few days. Should you leave your black and gray tanks open all the time? Should they stay closed? Should you leave your black tank closed and gray open? Come find out the best configuration and, more importantly, why it’s important to NEVER leave your black tank open!