Cheers man. Yeah the bio bizz tip has been through trail and error, around week 5 my plant used to yellow from the bottom up. After doing some research i figured it was either not enough N, or mag dif which i grabbed some espon salts for. I just sprinkle a tiny amount of that stuff to the top of my soil then water once as a banker but the N is key in flower when using biobizz light and there bloom and grow