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Reply With QuoteBefore trying to narrow it down to one nute def, test your run-off water for pH first. it should be between 6and7.
NOOB, PLEASE HELP!!(rust spots?) (pictures)
I have 4 plants under 400w metal halide.
2 plants have started to show rust spots..
What could this be from? It is so hard to research something like this because of how many different types of deficiencies and what not.
Only 2 plants are looking this way, they are same strain than other 2.
I just transplanted to 2G pots from 1G, i am not going to big with my plants.
weeeeed 010.jpgweeeeed 011.jpg
Before trying to narrow it down to one nute def, test your run-off water for pH first. it should be between 6and7.
^^ agreed and if nothing shows up add a tsp of epsom salt per gallon of water next time you water
Pictures posted are stolen/used from various other sites Stories told are that of my imagination, pure fiction, if not copied from other sites for humor only purposes.
Those leaves also look a little pale. Rust spot can be an indicator of a calcium deficiency but usually shows in youngers leaves first. Being its in the older growth its more likely and early magnesium deficiency. May be time to feed them if your new medium does not already contain some sort of food.
Last edited by Alexander Supertramp; 06-05-2012 at 06:08 PM.
Just call them Ahab and defoliation their White Whale....
Alright, I will do that tomorrow.
I always test my ph in the water before I water, but I guess there could be different ph in the soil..
Assuming a soil ph tester would be beneficial?
If the ph is off that could most definitely be the problem?
Thank you the tips
Hope to see some results in a few days..
Heres a pretty good link that may be helpful to you in the future....
http://www.greenmanspage.com/guides/plant_abuse.html
Just call them Ahab and defoliation their White Whale....
Runoff pH isnt really going to tell you anything. The water passes through too quickly to have time to buffer to the mediums pH.
Just call them Ahab and defoliation their White Whale....
I have not fed them in a few waterings.. Perhaps that could be part of the problem as well. ThanksOriginally Posted by Alexander Supertramp
Aye, if pH is off by enough it will start nutrient lockout. Often the first symptom is rust spots. If the pH is off, multiple nutrients can be locked out showing a variety of nute deficiencies. Rarther than trying to treat each one in vain, it can be fixed by correcting the pH.
If your pH turns out to be ok, then its on to treating for a specific nute def the hard way
Hang on before everyone starts throwin out needing nutes and ph and all this stuff those plants look young, r those leaves with the spots the 1st sets of leaves that plant grew? If so those 1st sets of leaves will always start to turn yellow and die its nothing to be worried about or start throwin nutes on it. Anyone think of that?
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