First Grow In South Africa.. Help appreciated

Well iv have decided to grow some nice indoor Cronic, and i got hold of white rhino seeds off of rhino-seed's.com and i have built a big grow house dimensions are (5 feet tall-3 feet wide) for light im using a 400watt Metal Halide for Veg and a 400watt HPS for Flowering.. for ventilation i have got one main extractor fan that push's cold air into the box, and two very powerful 120mm fans to circulate air. for soil i have gone for basic potting mix the best i could find.. i started the grow on 7 Jan 09, and they have been going strong ever since at the moment the are on day 17, temps are around 72c and humidity is around 70-80.. and help would be great :jointsmile:

Pics

Dude that light is way 2 far from the plant. This will make it 2 stretch like hell. Rule of thumb if you put the back of your hand above your plants and it burns then the light is to close. Warm is fine

hah that will stretch like hell all the way up their, give it about 2fet-away from tops for a 600w & 3 for a 1000w.
PLEASE DO US ALL A FAVOR & PICK UP SOME OLD TIMER HAZE & GIVE A GREAT OUTDOOR A GO!!! Nothing beats an 16-18 week flowering true equator haze. If you do though be careful & in the words of an infamous cocaine abusing legend who quit years ago, "strap on that diaper sonny! Oldtimer's Haze - International Cannagraphic Magazine Forums:rastasmoke:

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Originally Posted by AfricanAlien

Dude that light is way 2 far from the plant. This will make it 2 stretch like hell. Rule of thumb if you put the back of your hand above your plants and it burns then the light is to close. Warm is fine

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thanks for the info, i tried looking for something that said how far but was unsuccessful will do that right away

one thing the humidity here gets really high 85-95 on a hot day, inside the box its a steady 70 will this any effects on the plants??

No 70 is fine. it could be a little higher though but to hi not good and to low not good ya know. If you stay between 70 and 80% you will be fine.

Just watch the humidity leves during flowering because you don't want mold!!!

Another rule of thumb which most people do is they blow air up toward the light across the plants from the base. They do this to keep the hot air from the HID lamp away from the plants, then the extractor draws the air out @ the top while cold air is push in at the bottom.

Check 2 see if the fans are not blowing hot air down cause this will damage your plants.

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Originally Posted by pudder

No 70 is fine. it could be a little higher though but to hi not good and to low not good ya know. If you stay between 70 and 80% you will be fine.

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great to know so glad that the humidity is constant 70-75 inside :):D thanx pudder

Quote:

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Originally Posted by AfricanAlien

Just watch the humidity leves during flowering because you don't want mold!!!

Another rule of thumb which most people do is they blow air up toward the light across the plants from the base. They do this to keep the hot air from the HID lamp away from the plants, then the extractor draws the air out @ the top while cold air is push in at the bottom.

Check 2 see if the fans are not blowing hot air down cause this will damage your plants.

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Will do iv just bought a humidity device/tester:stoned:

The fans are as follows, the main fan on the wall is extracting Hot air, and i have placed vent at the bottom of box to bring in cold air. Then those two 120mm fans circulate air and blow on plants (have felt the air is cold).. :jointsmile:

so from what i have said is the air circulation sorted?

well here are the plants at present, day_31 let me know what you think.. and i have put plants 5 inch's closer to the light, were its the coolest place possible.