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Not sure what's going on with my girls, but I suspect it's the water they've been getting. I got sick of lugging 5 gallon jugs to the store every three days to water my plants. I switched up and started using water from my tap, after running it through a small boy sediment/carbon filter from my...

I've bought 3 PH meters now, granted I got the less expensive digital ones, (http://www.amazon.com/gp/product/B00LNSEZH2/ref=s9_cartx_gw_d8_g328_i6?pf_rd_m=ATVPDKIKX0DER&pf_rd_s=desktop-1&pf_rd_r=0VAMSDPD6DTRPDM2K70V&pf_rd_t=36701&pf_rd_p=2118394622&pf_rd_i=desktop) and another by Elekticity...

My house water is usually anywhere from 260-300 tds. Bought a smallboy carbon and sediment filter and it got my tds down to in the range of 200-220 prior to nutes. Is this too high? Should I consider another filter? Trying to avoid a r/o if possible

Having a little difficulty keeping my harvests in smooth rotation. My goal is to harvest once a month, using a 4k setup, harvesting half of the flower room each month, and then moving in new plants from the veg room to immediately replace the harvested plants. I'm definitely way off schedule...

Hey RIU! Lately I've been having a bit of trouble with my water supply and thought I'd turn to the forum for some information. I've got a 5k set up, and my girls are drinking around 20-25 gallons every 3 days. My tap water comes out anywhere from 270-350 TDS (definitely not optimal). For the...

So recently two of my ballasts went out after I bumped the multistrip. I tried replacing their fuses and quickly blew them. My plants suffered about a 2 day dark period until I was able to get another set of electronic ballasts (fingers crossed they don't hermie). I attributed the issue to the...

So I built my own tent out of PVC and Panda Film, I now need to get ventilation down. I have two 720 CFM fans that I intend to place outside of my windows, however there is a decent amount of debris outside I don't want sucked in. I have two 8'' 720 CFM fans and I have been having some...

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...

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...

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...

In the process of creating a 4000 watt grow room. The room is made out of 1" PVC, and is 10' by 10' by 6.75' tall with a central support, and a vertical supports in the center of each 10' pvc. It will be lined with 5.5mil Panda Film. The problem I've found myself facing is how to hang the...

Woke up expecting my typical salute from my plants, pointing upwards and reaching towards the light. Instead when I checked my plants they looked really droopy. I gave them each about 1/3rd gallon of water 2 days ago, the soil feels ever so slightly moist at a knuckle deep still, but the pots...

Hey guys, So as some of you who've seen my previous posts might know, this is my first grow ever. So far this community has been an awesome source of information, but I am having a bit of difficulty diagnosing my plants and am sure someone here is far more knowledgeable than I! I've included...

So this is my first grow, and in the past few days I've noticed a few things I was concerned with. I'm primarily concerned with the third picture, where the tips of the leaves seem to be dying/pointing downward slightly. I'm growing them under a 1000watt MH bulb, vegging (day 22) in a pvc tent...

I've been vegging for about 3 weeks (this is my first grow) under a 1000w Metal Hallide, Feeding Humboldts oneness nutrients once a week or so diluted in water at 2.5ml/gal (less than half the recommended amount on the bottle). I recently gave them a heavy watering (to 20% runoff) with the...