Marta's poop is all black and crumbled apart, and there is about a teaspoon, maybe a little more, or black/very dark brown liquid near it. She pooped in her old very big water dish/bath so all the liquid couldn't drain anywhere. The past few days she's been eating washed dandelion greens from our yard (we pretty much live in a forest and we don't use any pesticides), some of her multivitamins and calcium with D3, and her Dubia Roaches should be coming any day now. The last poop she had was a couple of days ago and it was normal. Is she ok?
If the last one was normal it may just be an upset stomach. That happens from time to time and usually resolves on its own or with changes in diet (her diet sounds good). I'd just keep an eye on it for a few weeks and look for it to clear up.