looks like a cal mag deficiency,
foliar spray with Epsom salts or invest in some magne cal + and use at 1/2 a mil per litre per feed/water, 7-10 days and should be a lovely green colour again..
up the feed a little too
B.A.BARACUS (21-09-14), FACE (20-09-14), Jesse Pinkman (22-09-14), SmobyToker#1 (07-10-14)
I had that problem early on and was also using biobizz nutes but a week later it fixed itself, strange.
Thanks , I have just finished flushing her, run off is now 6.5 it was 5.3 so hoping that will help. Goin to let her dry out now for a few days & c wots wot. Then start feedin her again. I will get some epsom salts aswell.
Last edited by baron_greenback; 19-09-14 at 05:09 PM.
Things seem to have got worse, them damn brown spots are spreading v quickly.
Got some epsom salts and going to give the fan leaves a spray.
You dont have any problems what so ever your plants are simply transpiring water and as the temps cool at lights out water is forming on overlapping leaves. Do you have your extractor fan of during lights of.
Last edited by chill; 20-09-14 at 12:45 PM.
extraxtion is on all the time mate, its in a room which is airy aswell. Picking up now with a feed & spray with epsom salts, hope thats sorts it. I think the flush helped maybe aswell. Post a pic in a bit.
carpetburn (18-10-14)
Its great you have fixed the problem mate but they brown marks look nothing like calcium or magnesium def. Magnesium is real easy to spot bright lime green inbetween the veins while the veins stay green. Calcium is like your plant has chicken pox between the veins.
Carpetburns spot on 100% calcium deficiency.. Try Altering the ph of your Feed to allow more uptake of Calcium...
And Chill m8.. Your idea on Magnesium is correct.. Like I said 100% calcium def as I experience this nearly every grow..
Last edited by B.A.BARACUS; 21-09-14 at 12:13 AM.
baron_greenback (23-09-14), carpetburn (27-09-14)
Thanks people, this only started happening soon as i ph'd my feed to 6.5. Then started seeing this, checked run off & it was 5.3. So I flushed yesterday with allot of straight tap water (ph 7.2) and managed to get run off to 6.5. I think thats what i'm supposed to do anyway.
Got some epsom salt's and folia sprayed the leaves bein carefull not to spray bud sights. And gave her a water with some. Hopefully that will sort it.
here's some pics from this mornin. she seems allot happier...
The spots u can c are pretty much everywhere, thats y I was panicking a bit.
I think my soil is or was acidic making nutes out of range (calcium/magnesium) giving me this problem. I just don't know now if I should continue to ph everything to 6.5 or just leave ph alone and let it sit at 7.2.?
So in this case what do people think about ph'ing & how should I continue.
Last edited by baron_greenback; 21-09-14 at 05:43 AM.
THCtalk.com Disclaimer - You must be over 18 years old to view/use this site .THCtalk.com does not encourage growing Cannabis or possessing Cannabis. Learning how to grow Cannabis instructions should be for educational purposes only. All Information contained in this web site is for: Historical reference, Scientific reference and Educational purposes only. Visitors to this website are advised against breaking the law as It is illegal to smoke, grow, or possess cannabis in the UK and some US States
Bookmarks