CK. Posted February 5, 2012 Share Posted February 5, 2012 Hey guys got a problem with my plants going crispy and generally looking sorry for themselves So I have just bought a new veg tent, Budbox small (75x75x100cm) It has a 400hps, 4" extract, clip on fan I have just potted them on and they have been in there for a few days now Temps ave 23 RH ave 50% so far all they've had is 0.5ml bio silicon per litre of tap water and thats it so I doubt its nute burn as the only nutes they are having is from the soil (plagron bat mix), I don't know whats causing it but it's getting worse, I've took two out to show you but its affecting them all, some more than others??? the only thing I can think is that the 400hps is possibly too bright cos its certainly not too hot?? anyway pics... This one just looks fed up, she was champion before I put her in there?? If I've missed anything let me know Cheers CK Link to comment Share on other sites More sharing options...
kgb Posted February 5, 2012 Share Posted February 5, 2012 they look cold Link to comment Share on other sites More sharing options...
CK. Posted February 5, 2012 Author Share Posted February 5, 2012 I know they do mate and believe me that was what I first thought but they're not, temps read max 27.5 min 18.2 Link to comment Share on other sites More sharing options...
colas Posted February 5, 2012 Share Posted February 5, 2012 Really cold and overwatered, 23 is on the low side for growing. Link to comment Share on other sites More sharing options...
Halfatree Posted February 5, 2012 Share Posted February 5, 2012 I was going to say over-watering also.. Or low humidity.. but you say yours is 50%, which is fine. Link to comment Share on other sites More sharing options...
bart Posted February 5, 2012 Share Posted February 5, 2012 as said looks like there over watered, are you using a wet and dry watering cycle ! Link to comment Share on other sites More sharing options...
kgb Posted February 5, 2012 Share Posted February 5, 2012 the leaves look like theyve had water on em or have been touching other leaves ,thus causing a bit of light burn when exposed to the hps,thats could be the cause of the crispiness!, Link to comment Share on other sites More sharing options...
CK. Posted February 5, 2012 Author Share Posted February 5, 2012 Cheers lads, it's not over watering as I do a wet-dry cycle so the pot is dry and light in weight before I water and I don't think 23c would do that to a plant would it? Link to comment Share on other sites More sharing options...
colas Posted February 5, 2012 Share Posted February 5, 2012 night temps still seem a lil low try uping it a little because your soil will be colder... Link to comment Share on other sites More sharing options...
CK. Posted February 5, 2012 Author Share Posted February 5, 2012 I've ordered a leccy blanket to combat night temps but I still don't think even 18c would cause this, could be wrong tho? Cheers Link to comment Share on other sites More sharing options...
lost78 Posted February 5, 2012 Share Posted February 5, 2012 is it being blown on? i put a fan in mine but dumbly left it pointing directly at one of the plants. just an idea. Lost78 Link to comment Share on other sites More sharing options...
lez Posted February 5, 2012 Share Posted February 5, 2012 maybe cheapy tent offgassing, but the 1st pik looks like somthigs been munching maybe thrips???? Link to comment Share on other sites More sharing options...
CK. Posted February 5, 2012 Author Share Posted February 5, 2012 It's not thrips mate, I've just dealt with them on my last grow so I know what to look for regards them, thanks anyway, I'm deffo thinking its environment probs.. Link to comment Share on other sites More sharing options...
lez Posted February 5, 2012 Share Posted February 5, 2012 (edited) It's not thrips mate, I've just dealt with them on my last grow so I know what to look for regards them, thanks anyway, I'm deffo thinking its environment probs.. well the offgassing still stands, as ive seen it an it took forever for me to find,if it is they will start dieing in a week or so..organic volatile compounds being let off by heating the tent. they are wilting but well watered not overdone w/d cycle, temps ok tolerable ranges,humidity fine, maybe cold rootballs at l/o or a virus brought in by bugs.that 1st pic deffo looks eaten. another possibility is air extraction. Edited February 5, 2012 by lez Link to comment Share on other sites More sharing options...
CK. Posted February 5, 2012 Author Share Posted February 5, 2012 Thanks Lez, I've never heard of that before, it's not a poor quality tent tho, £90 from greens, I'm pretty sure if they were killing everyone's plants they wouldn't be making them very long tho mate I think it's maybe the shock of going from 48w t5 to 400w hps? Link to comment Share on other sites More sharing options...
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