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OfflineHempMaster
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Re: Leaf sign of problems please help if you can! PICTURES INCLUDED [Re: wire5]
    #596837 - 11/13/11 05:02 PM (13 years, 2 months ago)

It could be residue buildup, i had a similar problem with my old homemade DWC setup, to fix it i changed the water once a week, flushed with PH'd plain water, would let it sit for 15 mins, then drain and refill with my nute mixed water. Also adding a small submersible pump to keep the water in motion decreases the amount of dissolved solids from recombining together and settling in the bottom or the res. Air stones will not move the water enough to have the same effect as a pump, unless you have a shit load of them in there. lol  Mind you though the effect on your leaves can also be from your PPM being too high for the plants at their current size and phase of growth....but if you got that and you ph right its most likely residue buildup on the bottom of your res and on your root system. flushing between refils should minimize or eliminate this prob.


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OfflineHempMaster
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Re: Leaf sign of problems please help if you can! PICTURES INCLUDED [Re: phrostbyte]
    #596842 - 11/13/11 06:17 PM (13 years, 2 months ago)

Quote:

phrostbyte said:
Do I flush for 15 mins with the plant sitting in the water?  as my res is small on this plant I generally clean out the res once or twice a week.  I spray it down with really hot water and whipe it clean.  I never really flush out the roots of the plant though and the root ball is pretty massive...  I will give this a try. 

:cheers:



yes let the plants root mass sit in the water, should help remove any buildup. if you clean the res once or twice a week, its likely, if this is the problem, its in the root mass, how do the roots look? white? off white? brownish? also u should closely monitor the PPM level, i noticed you said it rises on your daily check, in which case u might want to reduce the amount of nutes you use in the mix to compensate for the rising. the problem with finding the root cause of burnt leaves is that it can be your nutes,ph,ppm, residue buildup,lights, heat stress..or any combination of one or more of them... its a long process to rule things out. atleast with hydro if you come across the fix you'll noticed it fairly quickly. when i had this prob, it basically looked the same, though it started with dried out tips and then went too burn marks and curling of the affect leaves. what stage are u in? vedge? flower? whats the ppm of your water mixed with nutes? and when u said your PH rises on your daily check what reading do u get?


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My Tombstone will read: IwasburiedfacedownsoucanallkissmyA$$
my current grow

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OfflineHempMaster
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Registered: 04/08/11
Posts: 253
Loc: Canada Flag
Last seen: 11 years, 7 months
Re: Leaf sign of problems please help if you can! PICTURES INCLUDED [Re: phrostbyte]
    #596861 - 11/13/11 09:19 PM (13 years, 2 months ago)

Quote:

phrostbyte said:
I would like to add that I do believe that the problem was the low ph causing a nute lockout... Since I have posted this I have upped the ph to 5.8 when I do my check... over the next day it will rise to about 6.1-6.3 


The plant is looking MUCH healthier since I did this.  It is srinking Much more water and eating much more food.

=)




hope it fix's it for ya. always hate to see a plants in pain lol


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My Tombstone will read: IwasburiedfacedownsoucanallkissmyA$$
my current grow

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