yellow edges and spots of yellow…any ideas? pics included

a few more pictures

hopefully these will help,i have no clue as to whats wrong,im thinking its a deficiancy or mold?

Any chance you dripped nutes on them while feeding? Peace GS

possibly,my wife helps out when im at work,and when we first started transplanting them from rapid rooters to the pots the hydroton was still wet and dripped some brown residue on the leaves but i dont think thats it,im just not sure im very inexperianced but i read alot,several hours a day,i added a few more pics,hopefully they will give everybody a better view of the problem

have you treated them with anything? for mites or pm...whatever?

No..no treatments at all..i haven't saw any kind of insects

no treatments at all

new pics of my sick plants..please help

ive been told by a friend its a cal/mag def….anybody?

I think your friend is right about the cal/mag problem, ad botanicare Cal MAg Plus to your feeds. 5-10 ml per gallon.

If you use any tubing in your system be sure to check what brand it is, if it has NGW stamped on it you might want to check out the NGW off gassing threads out, seems its been killing alot of peoples plants and the symptoms look pretty similar.

wt: what up? i see you got some growth goin on but still having nutrient problems. What kind of nutrients and how much are you using. I would think you fed to much. A good flush and should do the trick and start again with lower nutrient levels. If your using Revers Osmosis water you need cal/mag as that is taken out of RO water. Good Luck

im using botaincare pureblend progrow 3-2-4 and im at 400 ppm with ph at 5.8…and yes i def think im over feeding them,im flushing tommorow and when i go back to nutes im gonna try 150-200 ppm…thanks for all the imput,this is my first grow and im super worried about killing them,ive read every post in the infirmary,ive read so much over the past few months that i should be a pro lol,the burn is on madonna f1s,i have strawberry diesel on the same table and they look great,the other table has bubba kushxdeep chunk and they look great,only ones showing burn are the madonna f1s so i figure they cant handle as much nutes…ill keep ya posted after i get them better…thanks again

Smokin Tree said:

If you use any tubing in your system be sure to check what brand it is, if it has NGW stamped on it you might want to check out the NGW off gassing threads out, seems its been killing alot of peoples plants and the symptoms look pretty similar.

Click to expand...

^^^^??? You see this?

Yep..and I'm checking now to make sure i don't have that tubing...i had never thought of that but i may very well be using that very tubing

Tough to say, they just don't look happy brotha... Have you sprayed anything on them?

nope,i havent sprayed anything on them,the new growth coming out on top looks great but the older leaves are the ones that look so bad

And i am i'n fact using the ngw tubing...I'm replacing it today...anybody else killed there plants on here by using that tubing? And wth is my grow shop selling toxic tubing..jeez i thought they were supposed to be experts

It probably takes time for this sort of thing to be discovered, and they may not have known. Did you let them know that they're selling a product that's gonna kill people's plants? Once you tell them, they're pretty much on notice.

Good catch by SmokinTree.

cal/mag problem

I think its a cal/mag problem.. Did you say if you use tap water? my tap water is 150ppm to start and are you using the .5 or .7 conversion.. Either way if its tap water thats not high

looks like nute burn to me.