#probelms

Hi, I am still a fresh newbie here, please guide me to care for my baby. Few days ago I tried to germinate my last and only Delahaze seed with a mixture of H2O2 3% and water, and it is a great success. On 29 April, I put the sprout inside the soil mix with perlite. And on 30th the cotyledon...

I'm trying to figure out what might be wrong with my seedling. I'm thinking either nutrient burn or nitrogen toxicity from what I've been reading but since this is my first grow I don't know and would appreciate help diagnosing the problem. One of my plants is starting to yellow on the tips of...