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Ok so my plants aren't doing the best by any means. They have a Mg and/or N deficiency that I cant fix no matter what I try. Would it just destroy my plants if I bumped them up to full strength lucas' formula for the rest of the grow? (I've only been giving them half strength and my PPM is like...

Soo I checked inside my rez today and the roots have black slimy spotting almost on them... I have no idea what this is... Please help!?!?!! I Switched my rez after cleaning with bleach, added Hydrogen Peroxide into the mix with fresh h20 and some nutes. +rep for help.. Thanks in advance.

Hey RIUers, I think I narrowed my plants deficiency down to N or Magnesium.:wall: Pics below Let me know what you guys think. Everything is in check, PH -5.5, PPM~900, Temp. ~85*F. Plants are a little over a month old. The bottom most/oldest leaves are beginning to turn yellow and...

Ok so i thought that there might have been a pythium problem at first because of some slimy algae stuff i found in the rez, so i cleaned everything with bleach flushed and added some HP into the rez. but the problem is getting worse so I dunno what the problem is.. The affected leaves are very...

Some basic info first off: -Royal Dwarf fem'd auto -Ph & PPM is all in check now - 5.6 & ~700 -Plants are a few days over 1 month old (I know they are small for their age) Ok so when I changed my rez on friday I noticed a kind of redish slimy fungus/algae looking thing stuck to the air...

So i was browsing around on amazon for computer power cords cuz i was in a pinch and used my PS3 cord for my inline fan. and i stumbled upon these.... pretty cheap stuff. Anyone used these before? or heard of anyone using them with any success? Im thinking of using these in my setup as easy...

PLLEEEEEASSE help me. I can't for the life of me or my girls figure out whats wrong with them. I'm thinking Nitrogen or Phosphorus deficiency... but im far from an expert... The smaller of the two's lowest leaves are turning yellow (but she looks perkier than usual) and the larger is...

Hey RIUers, So my girls are 10 days old since germination... I could just be paranoid, but I think my girls might be a little sick... Pics attached, but The bigger of the two is looking kinda droopy, and the smaller one looks like there might be some yellow in her two round leaves. Please...

Ok I was wondering which way would be the best/most beneficial way to hook up the exhaust setup outta my PC grow Case... A) PC exhaust fan > Duct Hose > Inline Fan > Carbon scrubber B) PC exhaust Fan > Duct Hose > Scrubber > Inline Fan C) Take out PC case Fan > Inline fan > Duct Hose >...

Ok so its been 3 or 4 days and my girls are starting to sprout, but the underside of the bigger one(right) has a purple/brownish tint.. and the smaller one is similar in color, but also hasn't really sprouted yet... This worries me...Should it or am I just paranoid? At times i feel like it...

Just Trying to get a feel on what everyone thinks the best training method for autoflowering strains is.. LST? Scrog? Topping? Supercroping? I personally have no idea. lol. maybe topping is the best way to go? What does everyone think?.....:confused:

Hey everyone, So im running a DWC PC case grow, and my temps are in the very high 80's - 93F. HELP me please. :confused: I already took out some of the aluminum tape / insulation to help lower temps. but it didn't lower the temps much. I have a usb powered fan blowing on where the plants...

Hey Everybody Merry Xmas Eve! I've been on RIU for a while but just observing considering I was not/am not really that knowledgeable about growing. Anyhow recently I decided to take that big first step and start my first grow... Since i need stealth for the most part I took the PC case route...