New grower unsure of what is wrong with my plants

[Jscott8886]

I wasn’t sure where to post this. This is my first grow everything was going well for the first two weeks but I noticed a few things with my plants yesterday. One has these brownish spots and the other two have developed yellow new growth and some of the older leaves have started to turn yellow as well.
I’m not sure what other info would help you help me but I’m growing in soil in a tent indoors. Temp is between 70-80* F. Not sure on humidity but I’m having a hygrometer delivered today. Water was RO not sure of the ph but will have a ph meter also delivered today. Just transplanted the plants Thursday into five gallon pots with potting soil/super soil concentrate but the yellowing was already starting before transplant. Any advice or direction would be great and highly appreciated

 

[Backlipslide]

Pictures in normal light always help diagnose the problem. It kinda sounds like they were getting root bound. Has it progressed since You transplanted? Did you look at the roots to see if they were white in colour or brown?

 

[Backlipslide]

Welcome to site btw!!

Also, in the future, when your watering your plants make sure you water the entire surface of soil to ensure all of the roots get fed. Also make sure you have run off every time you water/feed. I know you just transplanted but a lot of people like to just keep waterering around the plant it’s self.

 

[Pennywise]

I really can't tell anything from those photos. Like backflip said normal lighting will help diagnose any issues. Remember the yellow leaves at the bottom is old damage. Try not to splash water onto the leaves, it can cause burns in the form os dead spots and splotches on the leaves.

 

[Jscott8886]

Yeah I guess normal lighting would help lol
The last two photos are the same plant, just different angles

 

[Pennywise]

Actually new growth looks fine from here, watch those brown spots for another day and see if it spreads. It was most likely an issue before the up pot.

 

[Backlipslide]

The bottom internode of leaves usually are the first to turn yellow and/or die off. Could be because they’re close to the soil, touching the soil, or it is the first growth in the plant so other leaves will pull the nutrients from the bottom leaves for the new growth. A lot of people just cut that first internode off because they don’t produce much anyways.

 

[SgtKiLLx]

Calcium defficiency perhaps?

 

[Backlipslide]

Like @Pennywise said keep a close eye on those brown spots. They do look dry, so they may be ready for a feeding soon. Remember to water till you have run off to ensure oxygen gets pulled through all of the roots, as well as feeding all of your roots.

Now, if those roots were off coloured when you transplanted, then it may be a cause of concern. It may need a good flush with clean ph’d water, washing away all of the salt/nutrient buildup. Don’t panic, because it may still be a possibility that didn’t happen. Keep a close eye on the plants/brown spotting and keep us all informed.

 

[Grassmaster]

It doesn't look like your plants really have a problem. Nitrogen deficiency will cause lighter yellow leaves in veg. With RO water you should use a little cal-mag.

 

[Jscott8886]

The dark spots on the one plant appeared Thursday on one leaf and by this morning had spread to three. As for the yellow leaves on the other two, should I just cut them off?

 

[Jscott8886]

And I was going to give them more water later today. When I transplanted, roots were white and looked good. I’m using the subcool super soil concentrate mixed with soil in the 5 gallon pots and read that I shouldn’t add any more in terms of nutrients to avoid nutrient burn. Is that info correct or should I still look to add more nutrients?

 

[Jscott8886]

P.S. I wasn’t expecting so many replies so quickly, I really appreciate y’all weighing in with your 2 cents. Thank you

 

[Pennywise]

If you use a straight super soil you shouldn't have to use other nutrients. If it's mixed with another soil then you may have to supplement.

 

[Jscott8886]

A little update- the spots on the one plant seem fewer today than Saturday but are darker. I also noticed an insect on the leaf smaller than the spots. I didn’t get a good look cuz it was so small. I took some photos. The first is the plant with the spots and the insect. The other two are the plants that had yellowed.

 

[Jscott8886]

The second pic has the spots, the first and last pic are the same plant

 

[Pennywise]

They look in good shape, it would be nice to ID the bug.

 

[Jscott8886]

It was so small I wouldn’t have known it was there if it didn’t run when I was looking at the leaves lol. When I get home from work tonight I will see if I can see it and try to identify it or get a pic

 

[Pennywise]

It's scare me more than anything when it comes to growing.

 

[Jscott8886]

Couldn’t find any bugs tonight when I got home. Checked each plant pretty thoroughly. Was kinda afraid to move the plants too much but it doesn’t look like I hurt them. Here’s a better picture of the spots on the one plant