Northern lights regular.
Started Indoors under 65 watt HLG LED. I put them outside a few days with no regard for hardening off and ever since this one has looked like this:
One of her/his sister/brothers:
Same conditions for both. 320z cup, 40/40/20 happy frog/perlite/castings.
Sorry, no ph analysis but using R.O. water.
Thank you for any insight.