tips of leaves bending down, why?

bent.jpg

also, what do you guys think burned this leaf? its the only one with it this bad. the leaves are also all curved
burnt.jpg
 
the claw can be a sign of nute burn, but in your case i think itmay be a case of lights too close!! when the leaves curl upwards on edges that is also a sign of moisture stress an the plants does it to retain some moisture in the leaves? i find big hps lights need to be at least 14 " away frm tops due to the intensity..... jus some pointers for u 2 consider!! hope it helps
 
its bout 6 inches from a 150 watt hps
temp is 75-80 in day 70-75 at night
fed once with miracle grow nutes at 1/4 strength, couple weeks ago or so, and again this morning
soil is old miracle grow 3 month shit.. but its like 9 months old, it shouldnt be releasing anything.
ph unknown,. i don't have a tester. i leave my water out for a few days before watering though.
 
i wud check ya ph.... although i dont think its related to this prob, bt still it is important. 6" is a bit close m8 drop it back a little .. not too much maybe just to 10-12" u dont lose lumens till u take it further than a foot away.. are the affected leaves all at the top?
 
mostly near the top, but not at it.
i dont have a ph tester :(

and now after watering with nutes today, the whole plant is starting to look a lil droopy.. is it overwatered??
 
if drooping m8 after watering then yes iwould say so... let her dry out for a week, i normally water once every 5 days or when the pot feels v light.. u can gt an aquarium ph test kit for about 4 quid, they r gd enuff, but u must have a gd ph level in ya taps as the foliage looks healthy
 
Ok.

First the claw is nute overload. Generally its just a warning that it does not need any more nutes because if you do that part will brown and die. As far as the curling of the leaves...when a plant is to close to the lights it will fold up on the edges to conserve moisture. The edges will be very jagged.

Ok a little help from experience. It is your water. You need to get a PH tester. Some fertilizers can drop the PH of your water to 2-3. Guaranteed this is a PH problem.

Get a Hanna PH tester for $30 off ebay, you will never have issues like this again.
 
red cabbage crushed and soaked in water is a good one. the resulting liquid after draining the bits will indicate ph.
 
gots some blackberry, the leaves are curlin down a tad, only at the edges. they otherwise look great. use coco, 5.8 with house and garden coco A nad B. used them before so this a new one. mad props to any advise. its not ganic but h and G is good stuff. recomend to those who havent ......
 
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