Growing two Hindu Kush's began flowering Christmas day. Currently im on half strength nutes using AN 3 part GMB this is its second feeding at 1/2 stength. Nutes every other watering. all h2o is RO and Ph'd to ~6.2 600w hps. temps have been dropping at "night" lately to around 66F but only for the last week or so. Only effecting one plant at this time. Average temps 70-76F RH 30-47. Possible mag def as i doubt im in nute lock out but could be wrong. Started on older leaves. Any imput appreciated.
brown spots some yellowing on only 1 set of fan leaves
- Thread starter Mrwokn
- Start date
deflator
Active Member
My plants have the same problem and I see it on here a lot without any real conclusions.
It does not look like a Mg problem, that would leave the veins green while yellowing the leaf.
It could be Mn, that is what my problem looked like. Try giving some chelated Mn, powdered and then dissolved in hot water.
Scroll down to Mn: http://www.icmag.com/ic/showthread.php?t=11688
It does not look like a Mg problem, that would leave the veins green while yellowing the leaf.
It could be Mn, that is what my problem looked like. Try giving some chelated Mn, powdered and then dissolved in hot water.
Scroll down to Mn: http://www.icmag.com/ic/showthread.php?t=11688
Yea the pic looks similar to my plants the only thing that has me question mn def is that it is locked out at above 6.5 ph and my ph never go above 6.3 but if there is no mn in the medium (FFOF) I guess it could still be mn? I foliar fed it some h2o and Epsom salt a min ago I'll see how she looks in the coming days. More input appreciated.
crap i too have something similar or exact same thing.
im growing gdp in 4th week of flowering with gh grow micro bloom, an bigbud and bud candy and cal mag plus
ph: 5.5-5.8 (no higher than 6.0) sunshine mix #4 temps: 78 humidity: 40-50%
the leaves starts to turn yellow from tip and up.
then the leafs vein turns red
then it gets those red/rust dots
i looked all over for the pics and such but no luck ive also bought it to the hydro store and was told to flush
i flush once at veg and another at 2wk of flower with clearex symptom still proceeds
im freakin stomp on this problem. its like a damn disease starting to spread to the other plants. i think half of them or like that now
im growing gdp in 4th week of flowering with gh grow micro bloom, an bigbud and bud candy and cal mag plus
ph: 5.5-5.8 (no higher than 6.0) sunshine mix #4 temps: 78 humidity: 40-50%
the leaves starts to turn yellow from tip and up.
then the leafs vein turns red
then it gets those red/rust dots
i looked all over for the pics and such but no luck ive also bought it to the hydro store and was told to flush
i flush once at veg and another at 2wk of flower with clearex symptom still proceeds
im freakin stomp on this problem. its like a damn disease starting to spread to the other plants. i think half of them or like that now
cee1230
Well-Known Member
http://forum.grasscity.com/sick-plan...burn-pics.html read the one about mag def. i think that might be it. im gonna go head and a some epsom to my plant.
deflator
Active Member
Great link! Thanks that really illustrates it for me. I have toxic salt buildup and a Mg def.
Powder your epson and then dissolve it in warm water first
