this is my 2nd time growing and i need some help iam low on money just like many others so i got a out side bulb that gives alot of heat is that ok i also mixed potting soil an outside dirt together and added some fertitlizer stick the first time growing they did well for about 3 week then i started seeing my babys turn yellow an curl up can anyone tell me why that happens. i just started 6 more seeds if anyone can give me ny tips it would be helpful