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So I'd been experiencing some plant problems, and my plants were un-responsive to nutrients even though they were showing signs of deficiency. I recently got a TDS meter and my tap water comes out somewhere between 260-300 PPM when I measure it. I've read that the issue with hard water is that...

Sorry in advance I'm a bit of a novice, is the PPM meter a reading of Total Dissolved Solids or what use does it serves if it is not testing PPM for nutrient levels? Considering purchasing this one as it is a bit cheaper and will arrive quicker with amazon prime...

They always have a bit of run-off when watered, can salt buildup occur with ample runoff?

They're approaching their fifth week veg, and I only water maybe half a gallon at a time every two days. They tend to droop if they get water any less than that, and certainly use it all up rather quick.

Is measuring the run off a sufficient way to measure soil PH window? My ph strips from the pet store only measure as low as 6.2 ph, and the color they show when I use them is just a bit lighter than the 6.2 color, leading me to believe i'm somewhere in the 5.8-6.0 ph area. Will up cal mag if...

Hey Slinky! Aha I had just decided this thread might be about dead and took it to another subsection within a minute or two of your reply I hadn't seen. As far as PPM, I don't have any gauge to measure and they are in soil. I've been doing 2.4ml/Gal but will up the dosage at next watering...

Here's some pictures of some of the effected leaves.

Hi all, I initially posted this in Marijuana Plant Problems forum, however the post died over there.. I've noticed some brown spotting on 5 or 6 of my plants on a leaf or two each. Seems this is all happening on older leaves, not new leaves, and resembles Boron Deficiency. However I read about...

Hey guys, I'm going to reopen this for opinions. The problem seems to have started to effect a few more leaves, I started dosing with 1/2 strength cal mag and 1/4th strength nutes. Any idea what else could cause this?

So I found a leaf in seemingly later stages of whatever the problem in the back of my canopy... Does this still appear to be Cal/Mag Def in its later stages? I've started watering with CaliMag aswell as Humboldt 5-9-4 (their first feeding of Humboldt today, first Calimag yesterday) What do you...

Critical Kush is definitely a good option for ya'. Here's a link to some seeds. https://www.cannabis-seeds-bank.co.uk/barneys-farm-critical-kush/prod_70.html

"50 shades of Purp"

I think there's definitely a chance they could be in need of some nutes. Will be starting with quarter strength 5-9-4 in the next week for sure.

Do you think something could be causing a lockout? I looked at PH and it seemed just a bit acitic which should have been right, and they certainly aren't root bound, still pretty small fellows for that. They do in some ways resemble mag def, a bit hard to tell the differences though, anyways I...

Hi all, seems like I've spent most my time on RIU so far here in this section. I've noticed some brown spotting on 5 or 6 of my plants on a leaf or two each. Seems this is all happening on older leaves, not new leaves, and resembles Boron Deficiency. However I read about boron deficiency and...

When you use your turn signal turning into your driveway.

I gotchya, What I was trying to say was would it be okay to initiate flowering/switch to 12/12 cycle under my MH bulb, for a week or two until my hps lights show up? I'll definitely try the wet towel, I'd actually never even heard of this method, I'll letchya know how it goes! That's a...

Hey thanks for the responses all! Sorry it's taking me a couple days to get back, busy week! BustinScales, that's looking like a nice setup! Unfortunately I went with the one inch pvc against my better judgement and have already built the structure, so 2 inch isn't going to be an option...

Hey Cpappa, Thanks for the compliment, It really has been a learning experience on my first grow, and without this forum there's no way it'd be going this smoothly! Aha Warble, They look exactly Devo hats, spot on comparison! The plants are all indicas (maybe indica dom hybrids) and are going...