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When I rinse the roots off, most of the gunk comes off but the roots are still stained, they aren't completely white as they should look when healthy. This is what I'm going to try and Johnny, or other posters, let me know if I have this right; I will scrub my tub/bucket with bleach, change...

Every time I try to edit the post to fix the photos it just comes up with a blank page.. Disappointing... Let me try with this post;

Set up: 7 gallon Current Culture tub/bucket. Standard 2 hose air pump. Net pot with small Grodan cubes on bottom and on sides of the Grodan block. No light leaks in tub and water temp is always below 70 and above 60 (62-67). Nutrients: Was using Advanced Nutrients original formula Micro Grow...

I was given their 1oz small bottle (only size?) as a sample. For some reason when I got it I was under the impression that all I had to do was isolate a branch and spray it and it would produce seeds at harvest. Clearly I'm wrong, I know that. But the reason for this post is to double assure...

Of course I have. I'm just looking to do my own feeding regime rather than going by some feeding schedule... Plants shouldn't go by a schedule, they should go by what they need at the time they need it....

no one can help?

I'm looking for a table or chart that is very detailed of how much nutrients to use and when to feed. Example; How much NPK, zinc, boron, calcium, magnesium, etc. etc. for each week of both veg and bloom cycle. I'm looking for something that will tell/show me exactly how much to use of each...

So I have these questions about the very important..... pH, and wanted to see how other growers would approach this on a soil grow. Is it the pH of the feed solution (nutes or water) that is most important? Or is it the pH of the soil? So what I'm really asking is would the run off be the most...

I had a similar issue with 2 plants of mine, not so much of the yellowing like yours but the burnt edges slowly forming over the whole leaf... Apparently there was a build up in my soil, I flushed with gal of 10ppm distilled water and the run off was 2200+ppm... So I put 2 more gallons through...

We need to know this.

UPDATE: PROBLEM DIAGNOSED Big issue. Nutrient burn. There was a heavy salt build up in my soil, I did a 1 gal flush this morning and the run off was 2200+ PPM!! I had flused with 10ppm distilled water! I just finished doing a 2 gallon flush, run off was around 300+ppm and ph of 6.0, very good...

UPDATE: Alright so I'm gonna give a full run down in specific detail as much as I can. Here's some new pics of the whole plants with the leaf burn issue... I just talked to the guy at the hydro store, he told me to bring in my run off water so he can test it and look at it, says if I'm putting...

Soil used is FF ocean forest, I just switched from FF trio to Advanced Nutrients MGB w/ b-52, cal-mag plus, & protekt a silica solution... I went full strength on nutes (distilled water, 0ppm) when I made the switch. But i've noticed a few leaves like the big one while using the foxfarm.. I...

EDIT: UPDATE: Check my post below for newest pics and more detailed info about my feed schedule, etc. https://www.rollitup.org/marijuana-plant-problems/690492-heat-stress.html#post9329302 On some of my plants I'm running into this 'burnt leaf' problem. It's a brown, rust color that forms...

Feel free to post. Feedback is welcomed.

Yea your 250watt HPS will work just fine with that small grow space. I'm using a 250watt HPS in a 3 foot x 1 1/2 foot & 6foot tall cabinet. I was originally going to go with a 150watt, which would have worked fine as well but I decided to go with the 250w since it fits.

I've been uploading all my update videos to my youtube along with some instructional videos for the new or beginner growers to show & prove that it is indeed possible to grow on such a small budget and/or limited grow space. I'll be going over everything from seed to harvest with this project...

I'll have plenty of space in an outdoor area. This will be my first actual real grow, I've done some small fun projects on the side - nothing major that I was dedicated to and put a lot of time into. I'm just trying to soak up as much information as possible. I'm pretty knowledgeable already...