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Will 1k and a 600 in a 76x76x76 be overkill or a better yield?

8 girls, scrog, 6wk veg under cfl. now they are 2 wks into flower under 400w cfl. grown in coco, botanicare nutes. Bagseed, but sum dank! How many oz's? Closest guess gets an "OZ".

I forgot to turn on a/c unit and temps got up to 100 in my grow room for about 4 hours. Will that be enough to herm them for sure? The temp usually never gets over 77. Still in veg maybe that could help me. Will they herm?

Which of these will yield more? A 2x2 8 bulb T5 high performance light or a 125 watt grow cfl?

Which of these will yield more? A 2x2 T5 high performance light or a 125 watt grow cfl?

What is the minimum amount of lumens it will take to grow a plant through its full life cycle? Summer is coming and I'm preparing for the heat!

My leave at the top are yellow and it gets more green as you go down the plant. What could cause this? Sorry no pics camera broken.

I have some seedlings that are 1.5 weeks old and I want to put them in 12/12 until finished. Is this ok to do or will it cause them to herm?

My lady is starting to grow odd shaped leaves, does this mean she hermed?

About 3.5 to 4 wks into flowering the fan leaves yellow and die within 2-3 days. Why is this? I see pics where the plants that are flowering have all there fan leaves and a pretty vigorous green color to them. What is their secret?

My portable A/C unit displaces noise outside and I dont want the neighbors to get suspicious, how do i silence it a little?? I'm drawin a blank, help please

I am looking to start a grow, but have no clue on where to get the things I need for a CFL grow. Can someone help me out?

How do you set up a grow room the is sealed enough for co2 supplementation? Like what exhaust/intake goes where?

What does the term,"lollipop for flowering", mean?

My seedling have purple stems. Is this good or bad. The bottom leaves are turning yellow( the little round baby leaves) is this a different problem or are they connected?

Are there natural things that can lower the pH of your res?

When can you start giving a seedling nutes? Mine are about two inches tall and they have purple stems and have stopped growing. Help!!!!

I think i may have over watered my seedlings....how do i know when to give them water again?

Do clones need 24hrs of light? Or will they be fine under and 18/6 schedule?

When you run a water cooled light, do you have to have a water chiller? or would it be best to have a water chiller anyway?