rusty spots

Hey guys, First time grower/ poster here. Bit of backstory on the grow. Seed is from weed that I was smoking (YES I KNOW THIS ISNT RECOMMENDED HOWEVER I WAS WAITING FOR MY SEEDS TO ARRIVE AND USED THIS AS A TEST DUMMY). Germinated and was put into 2.5 gallon pot filled with pre-activated Bio...

Dear fellow growers.. My first time here.. I've been growing for more than a year now. I have a mother that has been reveged and a clone from it. A few weeks ago I noticed strange rusty brown spots on the youngster. I tought it was rootbound maybe a bit cause the repotting was delayed. After...