Editor’s note: Grist is celebrating the 10th anniversary of our Ask Umbra advice column. Today, we look behind at some of our favorite potty-related reader queries. Got an urgent question of your own? Go ahead, Ask Umbra.

10. Is it OK to pee in the shower? Sure, let it all hang out.

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9. Should I pee in the ocean or behind the dunes? The answer just might sea-prise you.

8. Should I pee in my yard or next to the road? Advice for those wishing to go al fresco.

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7. Is it OK to “let it mellow” in a public restroom? Um, gross.

6. Why is recycled toilet paper so scratchy? One word: fibers.

5. What uses more water, washing “pee rags” or making toilet paper? What is this “pee rag” you speak of?

4. Are feminine products compostable? Bloody well right — with a few caveats.

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3. Should I throw my toilet paper away, or flush it? Find out where it all ends up.

2. How can I reduce the water used for flushing my toilet? Dip into this bowlful of tips.

1. Do composting toilets smell bad? No — give it a go.