Hi,
My plants is 1 week old. My temperature was too hot during the first days 90F (32C) maybe... It sprouted (under a humidity dome for about 3 days) a bit later than my 2 other seeds(24 to 36 hours).
Runoff PH : 6 (but was 5.5 2 days ago)
Temp ~80 F (25C)
300ppm but there was that yellowish...