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Hello there, I also have a 400W set up and I started my seeds in the light. Planted into 16oz cups with sandwich bags over the top for extra humidity (seedlings enjoy humidity!). As soon as the seedlings pop and the coteyldons (2 first embryotic leaves, round no edges) straighten out I remove...

I upgraded from a 150W Magnetic core ballast to a 400W Digital Greenhouse ballast and its about 2-3x as loud overall. The MH bulb and ballast both 'wine' and the fan for the ballast is always on when the unit powers up. Added to my circulation fan and exhaust fan. Although my set up is...

Miracle Grow products contain large amounts of time released nutes. I'll bet that they're chemical nutes as well as a posed to organic. Flushing may help but won't cure the issues due to the time release formula.

24/0 20/4 18/6 10/14 these all work. This is an unregulated process so if you're new to this I'd try and mimic someone successful (as I did). You'll find that as you go, you'll be modifying what you've learned to fit what you're doing. Everyone I've ever met/conversed with does something...

Although the purple color is very odd for seedlings, I'd let it grow and see what happens. Remember although you have the same kinds of plants, they all have different phenotypes and will respond to the environments differently.

I agree with the folks above, MAJOR nute burn. Generally you want to let seedlings grow 2-4 sets of leaves before you start with any kind of nute. Always start with 1/4 strength, monitor, and ramp from there. Remember it's easier to correct under- nourished plants than it is to heal burned ones...

In the last year (2013) I've made 3 purchases. All 3 were delivered with no problems. First shipment was a normal one, following 2 were 'stealth' shipped. 9/12 seeds popped, the 3 that didn't were 'jock horror auto fem'. Hope this helps!

Hey Boys and Girls, Has anyone expirenced a nutrient burn-like situation when transplanting seedlings into Roots Organic Soil mix? It's the one in the black and white bag (I forget the actual name). To date I've transplanted 9 seedlings into this soil mix and all 9 showed burn symptoms in...

Did you just water them then take the picture? The soil looks very soggy. Seedlings want high humidity and higher than average temps (mid-high 70's) for the first week or until they grow their second set of leaves. Also how long do you keep them in those seedling containers? I ask because you...

HTG Supply in Shrewsbury,MA has everything you'd ever want. Even "how to's" for beginners. Reward program is dope too!

I second that. Good stuff!