Cabinet grow with 400 watt HPS

hey whats up guys.. these plants are a little under a month old under a 400 watt HPS and everything was going fine up till now. I used MG soil.. i know not the best but all i had available ive been watering with just regular sink water and thats what i think led to this problem.. ive given them no nutes except for tamatoes alive from gardens alive. and the one plant has almost recovered but the other plant still looks pretty sick.. i think it was the nute lock out so ive watered them 2 times in 3 days with a gallon of water with 1 tsp of epsom salt dissolved in there.. anyone have any suggestions or anything? Also temps area always around 77-81 F and like 50% humidiity

Yet another person thrashing mg dirt. Dont blame the dirt. I use it and it works just fine yep yep :)
If I was a guessing person, that looks like too hot, soils too dry, or not enough fresh air getting to the plants.
W/ mg def leaves curl up like theyre praying for mg, not curl down and under..... Dunno dude. Good luck!!!

i wasnt bashing it.. just that ive seen alot of threads where they say that the MG soil is the problem.. thats all

MG soil sucks, change it out fast.

lol see ive heard bad things :smokin:

Quote:

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Originally Posted by invision

MG soil sucks, change it out fast.

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it doesn't suck. if u are careful with much u feed them with ur nutrients then its just like any of the "good soils". its not like u cant grow succesfully with it. just cuz somebody fed their plant full strength with some nutrients and their plant got burnt and happened to be using mg they automatically blame it on the soil, don't mean it is the soil.

yea i havent used any nutes becuase of the stuff already in the MG soil.. i also found this that seems the most of what im experiencing.. i dont have one of those expensive pens to test my soils PH so im not sure about it.. is there anyway i can test the PH with like a fish kit tester?

i also trimmed off the dying leaves to give the under more light cuase the bottom of the plant is fine just towards the top is weird.. any suggestions guys??