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[Vancefish]

There are a number of purple strains.

I just got Grape ape and another called Mr. purps. I've also seen Purple passion and really purple Grandaddy X grape ape. I'm sure there are 20 more purple stains.

I believe I read some of the purple stains require a cool period during flower to turn purple. However it's been a while since I read it, Thus I have no clue where it was. :jointsmile:

[GetThisOrDie]

All the Blueberry ive had was always bright green. I dont think they call it Blueberry because of the color... more so the taste and smell. I could be wrong though. Like Vancefish said, cooler temps near harvest time will bring the colors out in alot of purple strains.
Check out The Attitude seed bank for pics of different strains... see if they have one the color you like. The advice about losing the intake fans and making them all exhaust is very wise. It works much better that way.

[XGR33NthumbX]

hey guys thanks again for all the info. ill get some pic's up very soon my brother and gdad are making a new (bigger) box for the plants we are going for 2-3 plants. i'v had a word with my brother and he already boughlt 4 comp fans as they only little. i'v told him to use all of them as the ex. (we still not 100% what we doing for a fresh intake? we have 2 little table fan's and they only 5inch tall. but im finking maybe we'll need something more? i'v taken a look on the blueberry is says when cureing it has tiniting of blue. maybe we go for blue chesse as it beastly ganja. i want a real big high! ill get bak to you guys very s00n thanks again.

[redtails]

All you need is holes towards the bottom for the intake. The fans push the air out, creating negative pressure (suction) inside and any holes in the box will automatically become intakes because the air pressure has to equalize. Hope that helps a little.

Oh, & glad you could talk them into more plants Means they are pretty interested as well!

[XGR33NthumbX]

thanks alot mate yeah i get what you mean.. only problem will i lose much light? or are you talking about 1in holes? or smaller? 10cm holes? one more thing dose anyone have problem with the smell? and if i do have problems with the temp how can i get it down?

[redtails]

Whatever you use for exhaust size, use twice as much for intake. Doesn't matter what size you do for the holes, as long as they add up.

[Vancefish]

If you tape or tie a couple computer fans to the top of the box, and they are aimed to pull air out of the box. This will pull the heat(which rises?) out the top of the box.

Issue is, the box has nothing to let air in(as it is a closed box). Thus heat will build up if cooler fresh air is not coming in from somewhere.

If both your fans are say 3 inch fans. You need about the same amount of "hole space" as an inlet(around 6 inches total). You could just cut a huge hole in each side. However that would cause light loss. The air would mainly travel staight from the hole to the fan as well.

The obvious and already stated, holes around the bottom of the box will not only pull fresh air up through the plants but allow all heat to rise and be removed from the box. Also providing extra ambient Co2 to your plants.

Hole size is up to you and could be an interesting experiment. However I'd try taking a small drill bit(on a drill of course), say 1/8th inch. Then drill 48 holes around the box just above the bottom of the box. Then all incoming air enters under the plants, rises through them, and exits at the top. You would only see tiny amounts of light loss through all the little holes. :thumbsup:

From the post above(who likely knows better then me). Make that 96? 1/8" holes. Although I read something somewhere saying some negative pressure was somehow good. Not sure on that though!

[XGR33NthumbX]

thank you guys sooo much for the info my brother n gdad have started the box not 100% on the size yet but ill let every1 know. it should be finished by sataday allready altho... we only have bagseed atm soo my bro has sed to me bcoz this our 1st time with lights he wants a test =s i guess its mainly up to him as i don't live as close as he dose to my gdad. but we said 100% on the blue cheese which im happy about. anyways bak to in the intake n outtake, thanks again i fink puting the fans on the top of the box? then the fresh intake on the buttom? yes? this should be fun what ever the outcome! i'll have some good pics by sunday! soo untill then keep in touch!

[mainegrown]

i would look into some LED setup.. cheap on the electric and no need to vent so much..
just a thought. if you have the $$/inclination to have some fun that seems to be where its at..
:twocents:
~MG

[redtails]

From the post above(who likely knows better then me). Make that 96? 1/8" holes. Although I read something somewhere saying some negative pressure was somehow good. Not sure on that though!

See, I thought the same until I was told you want twice the intake. I experimented, and with more intake holes it actually dropped the temp another 5-10 degrees...And there's still plenty of neg pressure to keep it otherwise airtight (and smell-proof).