what is this?

caseycase

caseycase

Active Member
can anyone tell what this is, this showed up the day after i got a hps, hasnt got worse or better, and its not somthing on the leaf cause it wont come off, the leaf just turned that color



new grow 072.jpgnew grow 069.jpg
 
this is what ive seen light burn to look like...thats close to what you have...just your is worse...time to back those lights off a bit and see if it gets worse or better...ive got a chart that shows light distance as it comes to watts...but i cant seem to find it....and remember that it wont fix whats damaged...keep an eye on new growth to see if the issue continues....also..are you spraying them with anything...if you are wait till right as the lights come on to do it
002-6.jpg
 
caseycase said:
no i never sprayed them, i noticed when i looked at the pic it looks wet but its not in person
Click to expand...
then if you dont have any pests...and since you just added the hps to your setup..id say that light burn is the cause...but the damage is done..all you can hope for is it gets better...best of luck...also...have you changed anything to your setup other then the lights since the hps was added?
 
well.. think process of elimination figured it out for ya..least i hope...try backing the lights off and see if it improves
 
not to good, all the buds are looking good but almost every top leaf is half burned, i raised the hps about a foot away now, hope i will get an alright havest still
 
Holy fuck..
Ya man,
its some crazy lightburn.
Put the palm of your hand above the plants,
if its a little warm thats where you want it.

NoB
 
i no, first time i ever had a hps and someone told me they keep there hps like 8 inces away, all that burn got there in less than 2 days
 
caseycase said:
not to good, all the buds are looking good but almost every top leaf is half burned, i raised the hps about a foot away now, hope i will get an alright havest still
Click to expand...
long as it dont get worse it should be ok...the damage thats there wont get better...just need to make sure it dont get worse
 
Tahmi.Guhnn said:
wind burn? seriously? you can get burn from wind?
Click to expand...
yep...if you have lots of wind it can cause fast evaporation of water in the leaves...drying them out to the point of death in the leaf structure...kinda like co2 burn from what ive heard.....looking into it further its called leaf dessication
 
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