Air conditioners can be found cheap on Home Depot and Lowe’s websites, and some deliver next day from local stores
They’re from 110-300$ and you can pick one up locally if needed, I went online though
If you’re not sure how to mount an ac, find a window and use a table to put it on, then cover the holes from the ac not fitting properly around the window with cardboard boxes, you know, because the ac won’t cover the entire thing even if it has those window slide shades, anyways, place on a table because hot air comes out the other side of the ac
Edit: if there isn’t even slack for the ac on the table, use books and stuff to give it some level, lets say the table caused a gap in the window cs ac, just slide books and it’ll be level
And since summer is coming up it provides a little stealth
Also you might not have to run an ac day, just a week of low temps should be enough to get purple buds,watch out for electrical overloads that shut downs a room, make sure the fuse or whatever can handle it before you buy
I got a 5k btu ax that got my bubba kush auto purple overnight, acs take a ton of power however, and if using hid you might want to switch to led
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Make the switch to LED and you might find that your plant fades purple or red on its own near the end. LEDs will really bring out the color in a lot of plants without temperature adjustment.
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Not sure if youre being serious or facetious but i will say there are some strains that are just purple to be purple… from that pretty lavender to almost black… no ac needed… though cooler temps do help facilitate that transition to purple, users should do their research if they are looking for strains that do go purple…
Edit:
I love that about autumning plants that fade themselves out… get that magenta red to green to yellow… beautiful…
And two of these forum cookies x citral glue decided on a darker purple leaf shade, sugar leaves were also dark, however the flower clusters were green…
They are super interesting plnts when they decide on which gene they are going to express and when
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There was I think a gdp plant or Maybe pck I grew that changed color when curing to dark purplish but that’s going off memory
But yeah you’ll need plants that have a purple tendency, I had a Pineapple Express auto in the same tent and it didn’t turn to purple
Most seed banks sell purple strains but it depends on specifically bred phenotype so you’ll get x% out of 10 seeds that will turn purple, but some plants prefer warm weather I think, so you might get away with 1 week of cold air, it’ll purple slightly to completely depending on strain
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Purple bud, No AC during winter, running normal temps but run LED and the lights def bring out loads of colours.
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Nice plants!! But yeah, if you live in a warm area and want a cool grow room for cheap and if you have a window in your grow room, you can score a cheap ac from Home Depot or Lowe’s, and summer is coming up, just use a table and if the ac won’t fit try putting books or something solid so it’s level
Beats having to mount a windows ac outside lol, and you can do this for top level houses, like second story buildings where it’s hard to mount an ac
LED brings out more color I think. I’ve heard people mention organics getting better color as well but I’m sure that’s bias showing. I think genetics are the biggest part of it though. These plants were all grown together in the same tent at the same time.
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Just because everyone else is already here saying it… you don’t need ac to get purples 
plants fade as a part of their life cycle. Not everyone goes purple, but yah. My plants rarely see a night below 69 degrees. Some go dark others go autumn
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Yeah! Bandwagon time! We will take an excuse to share plant pics 
All produced with no AC! This just my last few grows. I almost always get some sort of purple expression from a run.
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Peat, rice hulls, worm castings and some dry amendments as a base. It is recycled and re-amended with bokashi compost and other stuff. Works well but it’s highly fungal so seedling don’t do well in it.
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I, too, am part of the organic panic. Coco based mix I make
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I wonder if there is something to organics bringing out more color, or if it’s an led thing, or a modern genetics thing.
I tried coco for a while, then tried bottles and soil. Then slowly went down the organics trail till now I’m running worm bins, making biochar, making a bunch of KNF stuff, it just goes on and on. I will say though, I am now making the best weed I have ever produced,
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I’m about to try coco and see what it’s all about. I like organic because I have most of the inputs available to me for free from things we were already doing for our vegetable garden. Its slower, but the weed is good and using big pots and not huge plants with blumats is straight cruise control. And that’s really really hard to give up from a cost perspective and a time perspective.
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My room probably gets a bit cold a light out. Nothing that bothers the plants but maybe enough to bring out colour.
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I’m in the basement as well but it even happens it even happens summer. There’s also a modein heater right next to the tents so it’s pretty warm in the winter.
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Coco is fun, you see great growth that is cool, especially if you are coming from soil. I recommend high frequency watering as coco loves it,
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Awesome thanks. Yea the plan is 2-3 times in veg once they get bigger and then 4-5 times on flower. I’m curious if I will see the coloring in coco. I’ll be running 8 reg seeds, any males will get swapped out for clones, so that shoukd be a good color test. I’ll run Halle Berry or Blockberry
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I dont know if you have seen this site but I found it really helpful for coco - https://www.cocoforcannabis.com/
