HELP, posted in wrong thread.

[ZuuTeD614]

7 gallon pot with FFOF water with rain water PH around 6ish. Picture below. It's a Sweet Tooth x Gorilla Glue week 7 of flower I know it looks heat stressed I added in a TS 1000 way to close I now have it 22 inches above canopy.
And also put a auto Great White Shark in there with my photoperiod, I took it outside for additional light hours the first 2 weeks. Then I left it my tent with 12 12. It's a gallon plastic pot with FFOF.
Just looking for any input, I am newish to indoor growing in a confined area. I have 2x4 with AC Cloudline fan with 67 remote. Lights on 83-81 RH 35-45 lights out 70-73 with 45-53 RH. I use basic dry amendments. I use half of what it recommends and it says 2-4 weeks, I do nutes every 3 weeks and every other week I water with Mammoth P and Bud candy.

 

[Tracker]

It looks fine. At 32%RH it's a little dry in there for the temp but not that bad, and it reduces the risk of PM/mold. By week 7 in flower, i'm used to seeing a lot of color change and fading in the fan leaves. It's still got a little ways to go.

 

[myke]

See a lot of those purplish leaves on this forum,I always thought it was under feeding?Maybe strain IDK.I have a bubba kush that will do that when its starved/un healthy etc.

 

[ZuuTeD614]

She def isn't under fed, I had some claws going on and backed off the nutes. I now do half what my bag recommends and it says every 2-4 weeks I do every 3 weeks probably could wait 4 weeks.

 

[ZuuTeD614]

It looks fine. At 32%RH it's a little dry in there for the temp but not that bad, and it reduces the risk of PM/mold. By week 7 in flower, i'm used to seeing a lot of color change and fading in the fan leaves. It's still got a little ways to go.

Yes man I was battling heat issues almost 90° and when I added my TS1000 I put it 18" away and started foxtailing I think I got it about 21inches now. LuX meter on my phone is around 41k.

 

[Lagged]

It looks fine. At 32%RH it's a little dry in there for the temp but not that bad, and it reduces the risk of PM/mold. By week 7 in flower, i'm used to seeing a lot of color change and fading in the fan leaves. It's still got a little ways to go.

I agree on the humidity in regards to VPD. With increased airflow he can def afford to bring that up. Hell, my temps are the same lights on and I run 63-67 depending on the temp. Combined with lots of fans(2 intake, 2 rotating, 1 vornado), I haven't seen a trace of mold. Luck?

 

[ZuuTeD614]

I agree on the humidity in regards to VPD. With increased airflow he can def afford to bring that up. Hell, my temps are the same lights on and I run 63-67 depending on the temp. Combined with lots of fans(2 intake, 2 rotating, 1 vornado), I haven't seen a trace of mold. Luck?

Yes, so I'm lost with his VPD chart I'm in danger zone is tjat bro science or is that something to honestly follow?

 

[ZuuTeD614]

But then another thing that auto is only 49 days in that photo, in a 1 gallon pot. I put it in there after battling heat issues and she is only getting 12 hours and the buds are getting real solid. So I'm thinking I'm good with everything now my next grow I know what height to keep my light so maybe I'm good just stressing over nothing.

 

[Tracker]

Yes, so I'm lost with his VPD chart I'm in danger zone is tjat bro science or is that something to honestly follow?

VPD chart is real science. It tells you how hard the plants are pulling up water/nutes from the roots because of how fast the moisture evaporates from the leaves. The evaporation from the leaves causes inside the plant a negative pressure relative to the moisture in the soil which pulls moisture/nutrients transporting them through the plant. The VPD chart gives you an ideal range.

VPD=Vapor Pressure Deficit

Vapour-pressure deficit - Wikipedia

en.wikipedia.org

 

[ZuuTeD614]

Ok so that chart with my temos 82-84 is saying to have 60-65 humidity, so should I just try and keep it 50-55 just a little higher than what i have it?

 

[Lagged]

Yes, so I'm lost with his VPD chart I'm in danger zone is tjat bro science or is that something to honestly follow?

Man, if ya wanted some extra information you should have asked me in our pm.

Here's a short article for ya to help it make sense.

Mastering VPD Control for Plentiful Harvests

Why should cannabis growers concern themselves with vapor pressure deficit (VPD) in their grow operation? It is an interesting approach, and while it is definitely an advanced environmental measurement technique, it's worth exploring for indoor grow rooms.

www.cannabistech.com