trying to reduce heat stress

Vandal · #1 (**permalink**) 08-04-2007, 02:44 PM

Im new to growing and all my plants are yellowing slightly and my white widow is alot dead...im sure its heat stress and the only thing i can think of it to raise the lights more (already at about 3, 3 1/2 feet) or change from a 24/0 light schedule to 18/6...any suggestions? thanks

Ganja Guerrilla · #2 (**permalink**) 08-04-2007, 05:34 PM

Can you post pics please or find a matching plant here:http://www.ganjaguerrilla.net
1. Soil or soilless & brand name of soil , hydro?
2. PH of medium?
3. PH run off?
4. PH of water?
5. Age of plants?
6. What Fertilizer, dosages, and frequency?
7. lites, wattage & proximity to plants
8. Light cycle. 24/0,, 18/6,, 12/12?
9. In light cycle how long?
10. Room temps

yellowing is not from heat

BiggFunkNugg · #3 (**permalink**) 08-04-2007, 10:26 PM

Check your PH. I always confuse heat stress with PH problems. The best tip anybody ever gave me on lowering my temperature was to have my lights off time during the hottest part of the day. Obvious, but easy to forget.

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#1 (permalink) 08-04-2007, 02:44 PM
Vandal Registered User Join Date: Aug 2007 Location: New York Posts: 11	trying to reduce heat stress Im new to growing and all my plants are yellowing slightly and my white widow is alot dead...im sure its heat stress and the only thing i can think of it to raise the lights more (already at about 3, 3 1/2 feet) or change from a 24/0 light schedule to 18/6...any suggestions? thanks

#2 (permalink) 08-04-2007, 05:34 PM
Ganja Guerrilla www.ganjaguerrilla.net Join Date: Jul 2006 Posts: 2,822	Can you post pics please or find a matching plant here:http://www.ganjaguerrilla.net 1. Soil or soilless & brand name of soil , hydro? 2. PH of medium? 3. PH run off? 4. PH of water? 5. Age of plants? 6. What Fertilizer, dosages, and frequency? 7. lites, wattage & proximity to plants 8. Light cycle. 24/0,, 18/6,, 12/12? 9. In light cycle how long? 10. Room temps yellowing is not from heat __________________ Diagnose your own plants...Visit my site www.ganjaguerrilla.net

#3 (permalink) 08-04-2007, 10:26 PM
BiggFunkNugg Chroniseutical Pharmacist Join Date: Feb 2007 Location: Canada Posts: 128	Check your PH. I always confuse heat stress with PH problems. The best tip anybody ever gave me on lowering my temperature was to have my lights off time during the hottest part of the day. Obvious, but easy to forget. __________________ You need people like me! So you can point ur fuckin' finger and say "Dat's da Bad Guy!"

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