Use just distilled water, and give just enough water for 24hours, you want them eating, the more they eat the faster and bigger they'll grow. Too much water will stunt their growth. Here are some I started 3 weeks ago, I just started giving them nutrients
growdiaries.com/diaries/74432-purple-kush-grow-journal-by-chevs710
But yeah, right now I'd just give distilled water until they come back. Hope this helps.
https://www.growweedeasy.com/cannabis-symptoms-pictures