Question: To re-purpose a plastic water bottle as an indoor herb pot.
Options:
Cut the plastic water bottle in half. Punch holes at the bottom  so the excess water would drain out. Fill it with pot clay.
Cut the plastic water bottle in half. Punch holes at the bottom so the excess water would collect inside. Fill it with pot clay.
Answer: Cut the plastic water bottle in half. Punch holes at the bottom  so the excess water would drain out. Fill it with pot clay.