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The pH in one of my hydro reservoirs keeps shooting up to around 6.3 overnight. I have to use an entire cap of pH down to bring it down to 6.0 . There are three plants sharing this hydro reservoir and two of them are showing signs of stress. The third one shows a slight nute deficiency but looks...

I have three plants sharing a reservoir of Jacks+calcinit and all three are showing showing signs of stress. Last week I had discovered the pH had shot up to about 6.8 and I brought the pH back down to 5.8 and it is currently at 6.0. The nutrient solution consists of 600ppm of Jack's 5-12-26...

Hello, I have a 6.5' x 6.5' grow tent to dedicate to flowering. I am in the process of buying the lighting which I want to be quantum boards. I was wondering if i should fill the tent with 240 watt boards, 320 watt boards, or 480 watt boards? and how many? I was originally thinking of doing...

Hello, I'm in the market for eight 480watt Quantum Boards for my flowering room. I remember reading in the past how customers have been able to negotiate on pricing with alibaba store representatives. Can I get some tips/advice on how to go about negotiating? Like do I just go to the alibaba...

I have 6 plants in 25-gallon containers. They are fairly small so I want to extend their veg using light bulbs for an hour or two when the sun starts to go down. I am leaning toward getting some LED light bulbs that screw into a standard lamp socket (unless you suggest otherwise). I think they...

I want to start vegging plants in my back yard because my indoor veg room is too small. I have a good 50 square feet that is currently shaded by a Patio Overhang. You can see the space in the photo where the Bowflex machine and the yellow and black storage totes are: Along the right side of...

My plants are about 29 days old from seed. I can see pre-flowers beginning to form in the "armpit" of the newest growth's node but they're so small I definitely can't verify if they are male or female with my naked eye. However, I can zoom in with a microscope and see that it looks like pheno...

So we know that you can take a clone off a mature plant while it is in veg and throw that clone in a cup of water under 12/12 lighting and after a week or so that clone will show its sex. No need to root the clone it will show sex. What I'm wondering is how soon this can be done with the top of...

A reputable Instagram grower I follow says he pops his seeds under 12/12 lighting to determine sex. And as soon as they show their gender he takes the females to his veg room while the males get culled. The females go through re-veg this way right? Is this technique bad for the resultant mother...

I have a flower room that has 16 CXB3590s powered by 4 drivers @1.4A I have the drivers dialed so that every COB is currently getting about 45 watts each. My COBs are arranged with 4 COBs over each plant and I have 4 plants, each plant takes up about 5 to 6 sq. ft. footprint and are about 20...

About 3 weeks before harvest the pH in my PPK Hydro setup shot up to 7.0 due to salt build-up in my medium. I was not able to figure it out and correct it in time. Since the plant was already stacking and had lots of trichome frost I let the plant finish while sitting in 7.0 ph water and it...

I have a small indoor growroom in my garage . I also have two outdoor plants growing in my backyard. Both my outdoor plants are finishing up and i am not sure where i should dry them at. I don't have air conditioning in my home except for the grow room. It is the only room with air...

Hello, after some googling it seems there are people who believe that too much light slows down photosynthesis which equates to slower growth. I think i read somewhere on RIU that a PAR over 1500 is just counter-productive in that it inhibits photosynthesis and slows down growth. At the same...

i have 8 cxb3590s pulling 420 watts over a Goji OG that has been in flower for 10 days. I am on my first grow and not sure how far my light fixture should be from my canopy at this point. I'm also not sure if I should space them out more or just leave them the way they are (they are currently...

https://www.newegg.com/CPU-Fans-Heatsinks/SubCategory/ID-574?Order=PRICE Hey guys I built three COB LED fixtures that total 20 COB LEDs. I am using Mechatronix Heatsinks that get to about 100 degrees farenheit without a fan. Id like to add a fan to each COB LED in hopes of helping bring temps...

I have already topped once above the third node. And I have also LST'd the 2nd and 3rd node down. The first node's two branches are trying to come up between the gaps but they are kind of taking up space that the higher nodes could use. They are pretty long so it's tops actually reach the top of...

I have Four CXB3590s 3500k CD bin dimmed all the way down to a total of about 83 watts. My Five seedlings are about a week old now. A couple of them are leaning and im not sure why. At first, i thought they were leaning toward the light but its not centered under the LED so im assuming that's...

CHECK OUT THE PHOTOS FIRST!:mrgreen: http://imgur.com/a/qeTUH Hey guys, this is my first grow!! Got some Bodhi Goji OG seeds germinated in paper towels then transplanted them to Solo Cups once tap root was about half inch to inch. I probably didnt put them in the cups deep enough, i woke up 10...

Hey Guys, Im putting together a COB LED light using 16 CXB3590's powered by 4 dimmable meanwell drivers. I bought a Kill a Watt so that I can dim each driver to a specific wattage when i desire. I am now trying to figure out how I can use the Kill a Watt to adjust EACH driver to a specific...

Hey guys, I am looking to purchase two pairs of glasses for my grow room as the light is extremely bright and its a pretty small room. I dont want to fork out so much cash for some Method 7s I am hoping to find a cheaper solution that does a great job at filtering any harmful LED spectrum. I see...