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Brah, you are using the wrong lights, it's written all over you're plants. They shouldn't be that tall/spindly or have that much space b/w nodes. By the look of it you're using lights with too low of a Kelvin output. Basically, you need lights that emulate daylight. They won't grow with what...

Are you giving it any nutes? I don't think it's a pH problem, by the time the plant is that size, it will have adjusted to the pH of the soil/water it's in. Unless of course the pH of the water you feed it changed.

Could I ask what Kelvin output your CFLs are? And what type of food do you use to foliar feed (and at what concentration)? Here's an update from this morning:

I see. Thanks for the advice about the pH, I think I'm getting the idea. As far as lights go, I took a look at a chain hardware store and the best daylight bulbs I found were 18 W (equivalent to 75 W incandescent) 6400K bulbs (which fit in lamps), so I bought two and put them about 3-4 inches...

Thanks for the advice. 1) The soil is a potting soil, but a cactus potting soil which I mixed about 1/3 with perlite (b/c it already has some + vermiculite + sand). 2) Are you saying my meter is not accurate or that it simply isn't important to moniter water/soil pH? 3) I noticed my strongest...

Ya, I've backed them all off, esp. the soft white one. Do you think it needs more direct airflow? Usually the room feels a little chilly but under the lights its usually ~80 F. Also, what are your thoughts on PH? Could the high PH of the water have caused this? Here's an updated pic from this...

Kenny's Mix from the Vancouver Seed Bank. It seeds like the second set of leaves are starting to bud in the middle, but it hasn't really grown for a day or two. Then again, I'm also really impatient.

My seedling is about a week old and I noticed the tips and edges of the first pair of leaves have started to turn black/brown. It hasn't been growing much the last couple days either. The seedling is in a peat cup filled with a cactus mix of soil (peat moss, sand, compost, vermiculite, &...