Getting yellow, pics, help.

the leaves are starting to get more and more yellow as it gets bigger, here are some pics sorry for the bad quality, i covered my heat problem and now the temp stays at 90F which is chill, but the leaves are still getting pretty yellow, im using a very small amount of ferts, nothing that could cause any problems, its tomato all purpose miracle grow 18-18-21, but im using a small pinch in my water and thats it. The top leaves are looking nice and green but all the lower ones are pretty yellow. check the pics tell me what you think thanks. Oh and by the way the plant is not were its getting grown i took it out of the box to take a picture.

What kind of soil are you in and how often are you watering?

ok bro, first of all, 90f is not chill. knock 15-20 off of that. second,its looking like the start of nute diff,nitrogen to be exact. you need a little bit more grow nutrients but not 2 much cuz u will burn it quicly. also, looks as if it is being watered to often. should be like every 3 days or so.

this is the fertilizer im using would i get nute burn if gave it a normal dose of this, or would it be just right to fix my plant, and i brought my temps down to 85F that's as low as it goes i setup another big fan suckin air out and it droped to that but wont get any cooler. thanks for the fast replies

SHOTTY6868 said:

ok bro, first of all, 90f is not chill. knock 15-20 off of that. second,its looking like the start of nute diff,nitrogen to be exact. you need a little bit more grow nutrients but not 2 much cuz u will burn it quicly. also, looks as if it is being watered to often. should be like every 3 days or so.

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everything he said is right on. i don't know how often they're drying up, but make sure that they need water when you water. between feeds, plain ph'd water.