Little white spot/streak.

First things first, sprouted 6-19-13, almost 2 weeks, under 400watt hps along with cfl's for added blue spectrum, also floros hanging vertically for additional light. Soil: F.F. happy frog mixed with light warrior. Nutes General organics go box. one feeding @ 1/4 strength 2 days ago. and strain of the one with problems is pineapple kush
]BioThrive Grow
CaMg+
Bio Root (8oz)
]Bio Weed (8oz)
]Bio Marine (8oz)
[]Diamond Black (8oz)


@ 1/4 strength.
temps 75-79 day, 71-75 degrees at night. good ventilation and air flow. clean g-room, some moths every now an again but no serious bugs in soil or room. (house for that matter...) pics in lnc. its only on the first pic, if u zoom in you can really see it up close. good pics from a good cam.
first grow, i try to read before i ask i think nute burn but jus wanted some other opinions from others with more knowledge than myself. thanks for lookin, I think im going to do a journal stay tuned lol. ps. great site, my fav for info. keep it up members!

i cant really see but it looks like its from bugs

how much cal mag r u adding and what kind of water are u using? and what is the step by step process u are using to mix up your nutes?

less than 2.0ml per gallon ca+mg, one feeding a few days ago.
here is is zoomed in.outta 6plants this is the only one like this

less than 2.0ml per gallon, one feeding a few days ago. View attachment 2722489
here is is zoomed in.outta 6plants this is the only one like this
and using RO water

How do you keep track of you ppm and pH? and do you add the cal mag first, then the nutes and mix , let it rest for 10 min, then adjust the ph?

It looks like a pH problem to me.

have not messed with ph or ppm... cal mag was added with rest of nutes.

I downloaded the first pic and zoomed in on it, the def is too low to see really well, but it looks like bugs to me. you should check the underside of the leaves with a loup or pocket microscope. lots of pests are very difficult to see with just your eyes.

i zoomed in on one and posted it check one of the lower post

i zoomed in on one and posted it check one of the lower post
its says zoom.jpg

this is a pic of spider mite dmg off google.

this is a pic of thrips.(also off google)
afaik aphids cause similar dmg as well but you would be able to see those.
either way, mighty wash or pyrethrum spray both work pretty well. hth

I think you would notice if you had something crawling or moving around on the leaves that is not the same from day to day. Also, the white spots that you are getting are in-between the veins of the leaves equally spaced between them. Bugs do not create this pattern. You issue is with you pH. You have no idea what you are giving to your plants and that is the single most important thing out of the thousands of other things that you need to know about growing. If your pH is off, no matter how much food you give the plant, it still cannot eat it in the wrong pH range and nutrient deficiencies will become present. When you use cal mag and RO water the correct way to use it is add 2 ml per gallon to raise the ppm back up to about 150-160 ppm to create a nice buffer for the nutrients so the pH will not fluctuate as much. Then mix in your fertilizers and let it sit for 10 min before you adjust you pH. My best guess is your pH is too low.

i picked up some organic spray, do u recommend cutting the infected leaves off?

i wouldn't cut leaves off. they are damaged but can still produce some energy for the plant. they need all the energy they can get.

kirby7151 said:

i picked up some organic spray, do u recommend cutting the infected leaves off?

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Did you check for the bugs and actually see them. You can't miss them and they are easy to spot.

right on man, i will start there. i have yet to pick up a ppm meter or ph meter, as i work in a water lab i am all to familiar with ph and ppm, i have wanted to purchase i jus didnt want a cheap one, but something is better than nothing. i have not seen any thing in the soil or flying around for that matter but i will take all advice and but process of elimination we will figure it out. thanks again everyone comments are welcome dont stop! now my next question Situation, why do you think its jus this one thats affected and not others, s few plants plants are weeks older and not showing any of these signs.. genetics? strain? i would imagine....

yea i checked and did not see them... but i had some lying around from last grow... figured it couldnt hurt to use ya know...

Situation420 said:

Did you check for the bugs and actually see them. You can't miss them and they are easy to spot.

Click to expand...

thrips and spider mites are very difficult to see with the naked eye. they are very small, and hide on the underside of the leaves.

It could be a number of reasons why this one plant is worse than the others. I wouldn't worry about it too much. It's probably something to do with the root zone of the plant. Could be poor drainage, fungus infection, low/high pH, genetics. If you are sure you did the same thing to all of them and the others look good i would go more with the poor drainage starving the plant of necessary oxygen needed for root growth. However I don't know what your definition of good is so I couldn't tell ya. Got andy pics of the other ones?

yea i sure do, i am about to get off work, i will upload them in 30mins if u would check back with me, really interested what you think....