So these are my candy kush autos. About 38 days old in FFOF temps stay between74-78 during lights on and go down to about 68-70 during lights off under a 1000 watt hps ventilation is great (the room is emptied and refilled with fresh air about 3 times a minute). But with all that seeming perfect I seem to have been overwatering them so I haven't watered them since Tuesday, pots where really really heavy but they are starting to lighten up. My question is does this look like symptoms of overwatering or could it be something else? And if it is from over watering will the fan leaves return to being green?
Are my plants suffering from overwatering?
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The drooping leaves look like overwater. This can look like a deficiency too because the soil ph rises as it dries. If you don't let it dry you reduce the range. For example, mg is available at 6.5 and above in soil. A constantly moist soil might not experience a rise above 6.5 as it dries. Now would be a bad time for that to happen because from the age of your plant and the appearance of those blooms, you're near the common mg deficiency.
I grow autos. It's not uncommon for those lower/older leaves to yellow. I'd think you have a week or two to go. But, it depends on when you switch(ed) to bloom nutes. I usually switch around day 40 (doing 50/50 veg and bloom for a couple feedings, being totally switched by day 44-45.).
I grow autos. It's not uncommon for those lower/older leaves to yellow. I'd think you have a week or two to go. But, it depends on when you switch(ed) to bloom nutes. I usually switch around day 40 (doing 50/50 veg and bloom for a couple feedings, being totally switched by day 44-45.).
I switched to bloom nutes last water (Tuesday) I am using general organics go box and I added them at 1/3 strength on the box. I'm also having a small problem with fungus gnats which I have been using azo max for (misting when lights off) I want to use the azo max and do a soil drench but am going to let the soil really dry up first ofcourse
You can cover the soil with diatomaceous earth, and put a pair of panty hose on the bottom of the container to cover the drain holes. The DE will cut them up. Even just one of those yellow sticky-card traps can keep their numbers in check.
I'd do those rather than have a competing goal of drenching the soil while recovering from overwater. Considering the auto's fixed lifespan, I'd go for dryer soil and a less abrupt end for the gnats.
Do you measure your runoff ph? I gotta feeling that will come in handy. The plant's stressed already. Soil ph has been held lower (not experiencing the higher range as it dries). You're entering the common ca/mg deficiency phase as well as when the plant (normally) cannibalizes its stored nitrogen. And, organic nutes tend to acidify soil. If/when you see these things and you post, you're gonna be asked for your soil ph. Might as well start watching that now. (You might even get in front of a problem too.).
Keep in mind how long it takes for the runoff to occur. If you wet the soil, let it saturate, then wet further until runoff, keep in mind how long that runoff sat in the soil. It will influence how you interpret the runoff's ph. The longer it sits in the saturated soil, the more it will reflect the soil's ph. If you just water straight through to runoff, the runoff ph might be only halfway to the soil's actual ph. (You might have to double the difference between input and output, adding that difference to the runoff ph to extrapolate the soil's ph.). If you let it sit 30-60 minutes before displacing runoff, the runoff will be close to actual soil ph. Anything in between immediate runoff and 45-minute soak requires a little adjustment to runoff value.
You want it to be up around 6.5.
I'd do those rather than have a competing goal of drenching the soil while recovering from overwater. Considering the auto's fixed lifespan, I'd go for dryer soil and a less abrupt end for the gnats.
Do you measure your runoff ph? I gotta feeling that will come in handy. The plant's stressed already. Soil ph has been held lower (not experiencing the higher range as it dries). You're entering the common ca/mg deficiency phase as well as when the plant (normally) cannibalizes its stored nitrogen. And, organic nutes tend to acidify soil. If/when you see these things and you post, you're gonna be asked for your soil ph. Might as well start watching that now. (You might even get in front of a problem too.).
Keep in mind how long it takes for the runoff to occur. If you wet the soil, let it saturate, then wet further until runoff, keep in mind how long that runoff sat in the soil. It will influence how you interpret the runoff's ph. The longer it sits in the saturated soil, the more it will reflect the soil's ph. If you just water straight through to runoff, the runoff ph might be only halfway to the soil's actual ph. (You might have to double the difference between input and output, adding that difference to the runoff ph to extrapolate the soil's ph.). If you let it sit 30-60 minutes before displacing runoff, the runoff will be close to actual soil ph. Anything in between immediate runoff and 45-minute soak requires a little adjustment to runoff value.
You want it to be up around 6.5.
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Silky Shagsalot
Well-Known Member
last 2 pics look like over water. needs a hair cut for sure...