Slow to no growth (4 and 3 week olds)

grilledcheese101

grilledcheese101

Well-Known Member
Led lights 140w
Never hotter than 80-85
Tap water is 7.0-7.2
1 plant is good genetics (dinafem blue cheese)
Feeding medi one (organic 1 part feed 4-3-3)
Medium is/was a fuck up. I ran out of promix and figured id run 60/40 peat to coco, all was well untill i started feeding 2 weeks ago (super diluted cause i didnt want to over feed) about a week went by with leaves dieing off from the bottom up (yellowing brown spots, drying out) figured id dry em out and flush em so i did that and checked the runoff..... it was in the 4-5 range so i upped it quite a bit last night untill runoff was in the 7s. Still no luck. Today i repotted tem in pure coco hoping to knock out some of the acidity of the peat. From what i understand my mistake was running so much peat without a buffer (lime etc.) With a generally neutral substrate like coco i can only adsume it dropped the ph terribly, ontop of that my feed phs around 5.5- 6 (whitch ive read is near perfect for coco) but was probably adding to the acidity of my medium causing the plants to lockout... am i in the right direction? am i missing something? Is there an easy solution to right my wrongs lol??20170920_190546.jpg orca-image-1507647185381.jpg_1507647185782.jpeg orca-image-1507647207156.jpg_1507647207485.jpeg orca-image-1508297170330.jpg_1508297170826.jpeg orca-image-1508297194013.jpg_1508297194363.jpeg orca-image-1508297207389.jpg_1508297207800.jpeg 20171021_185203.jpg 20171021_185224.jpg 15088762631151694326420.jpg
 
cannetix Inc

cannetix Inc

Well-Known Member
Okay, a few things I can suggest here.

First and foremost, repotting will stunt plants severely - that's called transplant shock. Nutrients and moisture are absorbed through tiny "root hairs" invisible to the naked eye. These hairs are relatively delicate and become damaged and removed when plants are transplanted. Its "normal", but you should try to minimize transplanting, and always water sufficiently after doing so even if the soil is already moist.

Second of all, when you're doing a soil grow you really ought to have some type of compost and preferably an inoculant. People often don't understand how just how detrimental these things are to a soil system, it's not just "beneficial", it's essential in my opinion. Hydro is different as it tends to involve a sterile system with no soil (obviously). Not having a healthy population of Nitrifying bacteria, denitrifying bacteria, and nitrogen-fixing bacteria, all of which play different roles in the nitrogen cycle, can seriously throw things off in the soil leading to N toxicity and or N deficiency depending on the specific circumstances.

Your plants don't look that terrible, certainly savable in my opinion. I would lightly flush them with properly Ph balanced water and add a soil inoculant. They are cheap and widely available. If the issue appears to be getting better I would then (and only then) add a thin layer of good compost (not too much, this can suffocate the surface roots) or a compost tea. Continue to water plants when the top 3 inches of soil becomes dry, only giving them enough water to thoroughly saturate the soil, and as @*BUDS said, monitor Ph. more to prevent issues like this in the future.
 
grilledcheese101

grilledcheese101

Well-Known Member
cannetix Inc said:
Okay, a few things I can suggest here.

First and foremost, repotting will stunt plants severely - that's called transplant shock. Nutrients and moisture are absorbed through tiny "root hairs" invisible to the naked eye. These hairs are relatively delicate and become damaged and removed when plants are transplanted. Its "normal", but you should try to minimize transplanting, and always water sufficiently after doing so even if the soil is already moist.

Second of all, when you're doing a soil grow you really ought to have some type of compost and preferably an inoculant. People often don't understand how just how detrimental these things are to a soil system, it's not just "beneficial", it's essential in my opinion. Hydro is different as it tends to involve a sterile system with no soil (obviously). Not having a healthy population of Nitrifying bacteria, denitrifying bacteria, and nitrogen-fixing bacteria, all of which play different roles in the nitrogen cycle, can seriously throw things off in the soil leading to N toxicity and or N deficiency depending on the specific circumstances.

Your plants don't look that terrible, certainly savable in my opinion. I would lightly flush them with properly Ph balanced water and add a soil inoculant. They are cheap and widely available. If the issue appears to be getting better I would then (and only then) add a thin layer of good compost (not too much, this can suffocate the surface roots) or a compost tea. Continue to water plants when the top 3 inches of soil becomes dry, only giving them enough water to thoroughly saturate the soil, and as @*BUDS said, monitor Ph. more to prevent issues like this in the future.
Click to expand...
It was a major mistake to be so ignorant to the ph and medium. I wad kinda just pushing to get this grow going (i have plans to run autos from here on out and as ive run a couple small grows in/out in the past this was really just that first dial in for my new build. i suppose you gotta wprk out the kinks before things go smpothly but i still cant believe how ignorant i was to the peat. Fml.

Do you reccomend any innoculant in specific or just castings and compost
 
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