The sign is a fact — it is where the moon was on the ecliptic when it was full. The reading is tradition, offered the way we offer everything else on this page: for you to use or not. If you set an intention with this bottle, astrologers would say this is the theme to set it around.
A bottle is a night, sealed. So we keep a record of the night itself: what the keeper noted from the wider world, and what the people who drink it were doing while it charged. Add your own — it stays with the batch for good.
Written by whoever sat with the water. Every batch has one.
A note the evening before each charge, and first access to limited phases.