The closed-system Blue Diversion toilet is designed for off-grid use. View 5 Images 1 / 5. A ... Feces, urine, and flush water are separated right below the toilet bowl.

We recommend using citric acid or Zep's Acidic Toilet Bowl Cleaner, which can be purchased on Amazon for $10. You can also ...

When the blue color is gone, it is time to drop in a new tablet,” one reviewer, Not Martha, ... See for yourself and nab a year’s worth of this trust toilet bowl cleaner while it’s under $13.