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Has anyone used a tent frame in a grow room, just to hang lights, mount net and fans, etc... I'm rebuilding my grow room, of which I used to use a 4x4 tent, and I have a slight dilemma. My ceiling fan blades might be in the way of hanging lights from the ceiling. If it does fit, it's going to...

I was going to get me a few of these, once they're back in stock... https://horticulturelightinggroup.com/products/qb-3-far-red

They'll be used for flowering as well. Two of these should be good for that footprint, from everything I've been seeing. When I say two of these, I mean that there will be four QBs in total.

Along with those, I'll have two UVA lights... https://horticulturelightinggroup.com/products/hlg-30-uva-supplement?_pos=1&_sid=4efc93a97&_ss=r&variant=31266507030577

Is this a good setup? I'll have two of these over my 4x4 (no longer tent growing, using the open room)... https://horticulturelightinggroup.com/collections/kits/products/elite-360-led-kit

Need pics

Never heard of a fluoride filter. RO filters are the only thing I can think of. But yeah, fluoride from the tap is too low to have any impact on plants.

Probably deficiency.

Grow Room v2: I had to take everything down a couple months ago, and thought I'd switch to led, as well as rebuild everything. Pipes and totes are cheap, and bulkhead holes are easy to cut with a jigsaw and a Dremel. The pipes are all welded, but I have to rebuild my pump output manifold...

And yes, pictures will help us diagnose the issue

Is this sprout from seed, or is it a cutting for cloning? You're either giving too much water, or not enough. Do not throw it away. As long as it's got some green, it can recover. With small plants, watering can be a little tricky. You want to use small nursery pots when they're little, and...

A weed connoisseur might call that "bold". :)

They'll double, and even triple its size after switching to flower. This is known as "the stretch". So be ready for that. If you don't have the height for what's coming, plan ahead for something that'll control that, like SCROGing.

Yep, you can have sprayers drenching them, and they still hold the right amount of water.

You can switch to flowering now

IDK, I think it's still too early to tell.

Looks fine. New leaves will often start off light green, and get darker as they grow. Same with the curly leaves. They'll probably straighten out once they get bigger. pH of 7 in soil is in the ballpark, so you should be okay. Over and under watering will both result in drooping leaves, but...

Did you happen to get some pH Up and pH Down? You'll need those to adjust your pH, if you don't have them already. You can get it anywhere, including Amazon. General Hydroponics is a good brand.

Fox Farms is a great company, and you will have much better success than with MG. pH is really important with hydroponics, including Coco, but is much more forgiving when grown in soil. Still, you will do much better keeping it in range, which is needed by the plant to transport the nutrients...

Looks okay, but could definitely benefit from nutes geared more towards the needs of cannabis. "Boosters" aren't going to contain the correct amount, or even the existence of, the base nutrients your plants need.