Plant problems please help! (Possible poisoning from grow tent?) +rep!

irish519

Well-Known Member
Sorry but i can't get pics yet...........................I'm Growing 8 plants (various ages ranging upto 5 weeks old) in soil which include autoflowering and non autoflowering plants in one 80cm wide 160cm tall budda room grow tent under a 400w hps 18 inches away from canopy (soon to be added extractor fan/carbon filter kit) 6 plants are in 12 litre pots and 2 are in 6 litre pots.


Every last plant has some of their leaves turning yellow, the tips on older leaves higher up the plant start turning a golden brown from the tip which eventually spreading up the leaf turning it into a very light yellow with the leaves crisping up dyeing and none of my plants have a lush greenness to them(apart from the tops which havent been affected yet)...... But even the younger ones that are a week old are affected! Their leaves are turning yellow and even their little finger first leaves are turning yellow what the hell??

I have noticed that all the plants turned yellow even before i added nutrients (The week old ones plant didnt need any and they still turned yellow after a watering or two...) the three 5 week old afghan kush were turning yellow before they started flowering around 12 days ago.


I have only fed the afghan kush vegative nutrients a few times (every second watering from week 3) I use 2 mil per litre of biobizz bio-grow when i do use them, i have few the younger ones also 2 mil per litre every 2nd watering when they are around 2-3 weeks old. I will be buying flowering nutes this weekend!

I also water them every 4-5 days and nute feed them every second watering, .......... I hope all this info help in someone sussing out my problem! The last time i grew i used a friend digital ph checker and found out that the tapwater i use has way too much chlorine in it, so i let it sit for a few days before using to evaporate it(well try). (Maybe its the chlorine?):wall:

The non auto's im growing are only between 4 days-3 weeks old and all experience similar symtoms.........I was also using a 125w cfl without a reflector on the afghans for 3 weeks so they arent as big as they should be.

I read somewhere that cheap grow tents give out toxic odours which are deadly for weed plants.....Is this true? The buyer i got this from on ebay was chinese, but he owned a shop in london with his own website and it arrived within a few days. So maybe its a cheap chinese tent thats killing my plants? The tent does look legit though with the budda room logo on it etc

:wall::wall::wall::wall::wall::wall::wall::wall::wall::wall::wall::wall::wall::wall::wall::wall:
 

*BUDS

Well-Known Member
The buyer i got this from on ebay was chinese
.
So maybe its a cheap chinese tent thats killing my
Just blame the poor Chinese bastard. Its your fault bro not the tent. To give you trouble after only a week i think its the poor soil you have used causing a lot of def especially N and K. When you repot use better quality soil $12 a bag. Also get your own ph meter.
 

irish519

Well-Known Member
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Just blame the poor Chinese bastard. Its your fault bro not the tent. To give you trouble after only a week i think its the poor soil you have used causing a lot of def especially N and K. When you repot use better quality soil $12 a bag. Also get your own ph meter.
LOL The soil im using is good quality soil i bought from a reputable garden centre, it is screened sterilised topsoil i believe i have used this before without getting problems as soon and quick as i have.

I can't repot, the pots are big enough apart from the two 6 litre ones, The rest are in big enough pots 25cm in width, the 12 litres was an estimate. Plus bigger wider pots (and the ones im using are the biggest the garden centre had) will take up too much room.

Anyone else got any more suggestions?............
 

irish519

Well-Known Member
My plants are dyeing by the minute:cry: someone must be decent enough to give me a few good tips or answers here, ive had plenty of views though:?
 
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