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Deacon those coco trees are killing it, I'm a very experienced grower and I must say I'm impressed. I run a 48kw 48 site UC grow (plus another 48kw dirt room) and have grown weary of the constant issues and accompanying stress that goes along with rdwc. It's quite frustrating to have a dialed...

That's the shine we are looking for! I've got that in one of my gardens as well at week 5, but have yet to be able to replicate it during veg. The system that has the best shine is at a location where we use pure tap water, although the ppms are still extremely low, approx. 40ppm. Mo' what does...

If you are using a mix of tap water and R.O. water and you achieve the elusive "shine" then at least we know that this is purely a nutritional issue. What we don't know is how to fix it unless you have your tap water analyzed. There is nothing magical about tap water, (as you know) it just...

Nice room you've put together there BCfarmer; nice to see others blowing it up here north of the border. 1 question, 2 comments: Question: Are you able to maintain RH levels in the 60's with the addition of your in-duct humdifier? What is your RH without using it? We run 3 x 5 ton AC and have...

Slight browning is not necessarily pythium, let's see some pics

This is the small room @ 1 week 3 days from clone... I played around at first with adding just epsom and no calmag and 4ml aqua flakes a&b + mulitzen & roots excel @ 1ml/gallon... needless to say it didn't work I added 3ml calmag per gallon diluted into a gallon of ro water and slowly fed into...

That is a bit on the strong side, 5ml/gallon won't burn the epidermis on the root hairs.

1. Tea and DWC often results in root browning, doesn't necessarily mean that you have rot. 2. At this stage you should have white roots if you keep them underwater, with a reasonable amount of bubbles and h202 at 1-2ml/gallon. I've found in the past when i hit small plants too hard (zone...

Nice Harvest bro. Great to see another UC grower here in BC. We are a rare breed around here.

Damn, that leaf health is awesome. Beautiful.

I have a blower in my completed sealed room. The Co2 is not the issue, however, if you have a large humidfier in there you might be concentrating Ca as it precipitates out of solution in the air and gets deposited back into the buckets via the air pumps. Just a thought. More importantly, here...

Not Bubba. This ladies are sloooooow vegging, even in the UC. I won't be growing bubba again.

I have that EXACT (and I am completely identical) same creeping deficiency on my Bubbas, the leaves slowly turn bronze and dry out. The bizarre thing is my tissue sample analysis seems to be coming back relatively in line with all the proper nute amounts. My environment is also optimal and I see...

You should move the center light from top and bottom row and place it in the middle of each of the rows on the left and right. The trade off is 4 plants that were surrounded by four lights are now surrounded by 3 lights, but you gain four additional plants that are now also surrounded by 3 lights.

All C3 plants droop their leaves in the evening. There is no reason for them to raise their leaves to orient them toward the light when there is none, just conserving energy.

If you are not supplementing with CO2 and your room isn't that big, I'm curious what your ambient level of CO2 is in that room with lights on? There is decent amount of plant matter in there so they are going to eat that carbon fairly quickly. Anything below 300ppm CO2 will dramatically reduce...

Sometimes there comes a point with plants that have been repeatedly stressed where they will just never recover properly. It might be worth tossing those ladies in soil and starting with freshies. In my experience the new unstressed plants often surpass the older stressed plants even in the same...

Drop the nutes back down to 420-450 and let it ride for a few days there so your plants move water and get turgid again. If they are drinking lots of water and eating 30ppm overnight that is a good spot to be. Wait a few days until trying 500 again.

Ok, if lights were up the question is why did they stop taking up water. If your EC was relatively the same (slightly lower would be best) in ur previous sys we can elimante nute strength as the cause of stalling since your plants already demonstrated they could handle it. Your RH is crazy low...

2.5 EC! That is crazy. Plants will lock out in the UC when EC is that high. Reduce your EC and supplement your profile with Epsom at 1g/gallon. If your EC is too high the plants cannot take up enough water which is necessary to transport the needed nutrients. This is not entirely accurate, but...