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Right. I was looking for a replacement because frankly, the General Hydroponics nPh Up is expensive. It's potassium hydroxide. I ended up getting pool and spa pH up. It is indeed sodium carbonate, and a third the price of GH. I used it a couple days ago, pH level hasn't acted funny yet. Plants...

*sigh*

Hm. I've never grown just one. My thinking says the footprint would depend on how you're going to prune it to her the yield you are looking for. If you LST, the wider footprint will be necessary.

Kind of late reply, but I just put 26 fresh rooted clones into my system that we're taken from their mothers about the 4th week of flowering. They rooted in collars/spray box in about 10 days with the lights set at 18/6. Then directly back into the 12/12 as soon as they had roots an inch long...

I'm using 2, 20 gallon Rubbermaid totes with a 2" pipe between them. I've been looking at rv holding tanks as a possibility for a 50 gallon

After due consideration I am going to try the pool and spa stuff. I'll let you know how it goes. As I said, the occasions I'll actually need to use it will be few and far between as I change nutes often anyway.

Thanks for the reply. Normally I can just add my tap water, it averages 8.1. This time I needed to up my pH without thinning out the ppms. I normally change my solution every 7-10 days, so buildup shouldn't be an issue.

Thanks for the reply. I'm on disability, so every penny counts.

Hi everyone. I'm running a top feeder, clay balls for medium, 35 gallon res. Can I use pool and spa pH up (sodium carbonate) instead of General Hydeo pH Up (potassium hydroxide)? It's way cheaper. Thanks

Just to chime in, I raised my 5 cheap Chinese blurples up to 36" above my tall plant canopy, which places them about 60" above my tallest clones. I also cropped a few branches at the same time. After a couple days, holy hell they're all taking off! The flowers on my big plants are getting...

In the Mojave desert, I am using a 2000cu. Ft. Per hour evaporative cooler to cool and humidify my grow room which is effectively 11'x11'x9' high. Any given day it can cool that space by 20-25°f, but I wired it on a simple thermostat to keep the room temps at 76-80°f. The way to get this amount...

Jumping in late...all the anecdotal evidence in the world won't convince a person that a duck is a shark. UV‐B RADIATION EFFECTS ON PHOTOSYNTHESIS, GROWTH and CANNABINOID PRODUCTION OF TWO Cannabis sativa CHEMOTYPES John Lydon Alan H. Teramura C. Benjamin Coffman First published: August...

I live in the Mojave desert. Temps up to 115f in the daytime. Local regs require me to grow indoors. I use evaporative cooling. Even whole house does not use AC. Cools by 20-25°f. The trick is to have a way to control the humidity....but if you live with high ambient humidity then evap cooling...

Nice. Looks like yours and mine are about the same stage

Jeezus, my grow room is a mess.

Yeah, my cheap Chinese blurples run a bit to the blue. For flowering, I hung red blankets as side panels. I can't change the spectrum of the lights themselves, but it does change the spectrum of the reflected light. Sorry for the shitty pics, I don't have white light in there. The first is OG...

That's it. I'm switching to white light.

I don't grow in soil, grain of salt here, I've read 6.5 for soil but..... As far as the droop, just keep an eye on them. If you start seeing color changes etc, then worry

How do they look in the middle of the day? If they're standing up and look nice, then it's normal droop. It's cyclical.

I am doing my first grow with LEDs, and I love them so far. Ok, there's a free app called Color Analyzer. Turn on the light, let it shine on a plain piece of paper from about 24". Take a photo of it. Open color analyzer, choose the photo, and BAM!! No, it's not a true spectrum analyzer, but I'm...