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no. They are called "pre-flowers" Its not going to flower until you change the photoperiod.

why? why would you flush? you dont even know what is wrong yet. what if it is a deficiency? Figure it out. Google "yellowing lower leaves" or something. Find out what it could be. Understand what youve been feeding it and see if you might be short on a necessary element. You have to provide...

I dont know that heat stress delays showing sex. How bad was it? Where did you learn about this effect? And if you dont see some stigma in another week, I would start worrying.

It looks like heat stress. Has it been very hot and dry there lately?

The stems changed from red/purple to all green when you fed them less? Was that the only symptom? Just wondering. Always see people overreacting to red stems or petioles. I have never seen them as a result of nutrient imbalance unless they were accompanied by other, more obvious symptoms...

Purple/reddish stems are common and unless coupled with another symptom (leaf discoloration etc) than I wouldnt worry about it. LSTing definitely didnt cause it. Dont do what "you think they like" Learn how a plant grows and what it needs. Read about plant biology. Read books. Dont guess. Know.

I would make a loop rather than cap an end. A loop will distribute pressure more evenly. I actually use more of a square made of 1/2" PVC. I run 1/4" dripper lines off that square. They are inserted in the PVC with 1/4" top hat grommets. All dripper lines are the same length as well. I have...

do it right. Get a high velocity inline centrifugal fan. Match the size to the hoods flange. If you have 6" flanges on the hood, get a 6" fan. What are you doing for odor control? Air circulation? I would use one fan for both and passive intakes.

I would always recommend getting the highest wattage possible for your space. 1000w is the top of the heap. Its where we all end up anyway, might as well just get it now. 1000w will cover up to a 5' x 5' grow area. I would also recommend growing fewer, larger plants. If you had the ability...

I use a 600w HPS lamp in a dimmable ballast. I will "dim" it to 400w when we get heat waves here.

I wouldnt waste my money on the 250. Anything less than 400 isnt worth it. I would go with a 600w HPS with a dimmable ballast. That way you can "dim: the lamp down to 400w if temps get out of hand. Youd need at least a 400w to cover a 3x3 footprint. The exhaust fans arent that loud esp when...

They are not "hairs", they are "stigma"...sorry. pet peeve of mine. That and "crystals". Anyway. The stigma are a perfectly good way to determine ripeness. You should use several visual indicators in order to make the best call. Full, round buds. Swollen calyxes. Orange/brown, shriveled...

You would get more replies if you broke that text block up into paragraphs. Maybe even a double return ;) I can't/won't read text like that. I'd bet most people dont either. No offense, just want you to get the answers your after.

PS Do not skimp on the room ventilation. Do it right the first time. Buy the right gear. Get good quality stuff. Make it clean. Use 90 deg elbows for bends if you must. Limit the use of flex duct. If you half-ass it, you'll be redoing it down the road. the right way. save yourself the $$ and...

Lose the intake fan. The exhaust will pull air in passively. Match the cool tube and the fan. If you have a 6" flange on your hood, use a 6" fan. I am not understanding completely. You say you are running cool tubes and have a dedicated exhaust for them but no dedicated intake? I would run...

If your intake ports are too small, it doesnt matter if you have a jet engine exhausting your room. It will only be able to move as much air as its taking in. If your tent implodes, you didnt have adequate intake. With a 10" fan, I would be looking for double that in intakes. Either a couple...

I can see how you would be confused as those look nothing at all like male flowers and everything like calyxes & pistils. Wait, how were you confused again?

You really cant move them unless they each have their own individual screen attached to their pot. If your using a flood table and no pots, You might be able to move the whole thing with some help but it would be a huge PITA. I would veg them, then put them in the flower tent and use a screen...

what are you feeding them if anything? How old? WHat size pot? Soil? what brand? lights? distance from plants? water source? "hard" or "soft" water?

I dont think root bound is an issue here. Looks like your water source may be deficient in Ca and Mg. The plant is probably in need of food as well. I use DynaGro products. They are cheap, easy and pH stable. I use: Grow and Protekt for veg and Grow, Bloom and Protekt for flowering. I also...