By the time you add scruched up paper to the toilet rolls, these contain about the same volume of soil.
I have put some mustard seed in them, and are turning them through 90 degrees every day.
So it is going to show me if there is much difference there. Although I suspect they are best for cucurbits and beans. But I have enough of them - definitely don't want any more zucchinis.
We have had three beautiful inches of rain - which sounds much more satisfying than however many millimetres it is. The gardening is humming.