Bro trust me thats nitrogen od....ive been doing this 20 years and can spot stupid shit a mile away....more nitrogen is good in veg but its super easy to over do it....and mg has like 20something% and thats way too much ....see those dark almost black green leaves....red flag.....soon you will get eagle claw ....flush that thing and if your gonna use mg then only use 1/4 dose 5% n is the highest i ever go....EVER.....good luck