something's wrong with my babes

Hello,

I have a couple of seedlings about 3 weeks old who have started to look rather bad increasing over the past few days. I'm intending on growing then on my balcony (facing north west) but they've been mostly under a 42 watt cfl and fan for now as it's a bit chilly at the moment.

They started yellowing slightly on the lower leaves and past 2-3 days there's some brown patches. They're in potting soil and had no extra nutrients added yet.

Any idea what this is?

they're hungry. let the soil dry and then feed with some good liquid nutes for quick green up. you can use sold nutes too. the liquids work much faster but don't last as long. GL

Po boy said:

they're hungry. let the soil dry and then feed with some good liquid nutes for quick green up. you can use sold nutes too. the liquids work much faster but don't last as long. GL

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Thanks! I always thought that the soil should feed the plants for a few weeks, so I hadn't fed them. I'll feed them tonight and see how they look

What kinda soil did you get?

Southerner said:

What kinda soil did you get?

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It's just regular potting soil with perlite. I know it's not ideal but it worked pretty well with a previous grow I had (pretty amateur but I had no deficiencies or anything. I'll admit I haven't tested the ph