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[gbauto]

That is going to be a bit much for 5 sq ft of canopy. Because of your headroom issues, I'd go with this- https://horticulturelightinggroup.com/coll...

[gbauto]

How long did the timer malfunction happen?
If you caught it the next day and you corrected it, then I don't think that you'll see any effects....

[gbauto]

I'm not a soil grower but it seems that the folks who do say that pH of the run-off water isn't an accurate measure of soil pH. I'd just try to keep...

[gbauto]

https://horticulturelightinggroup.co...oducts/hlg-100
If you want to use the real thing.
3000K will do seed to flower very well.

[gbauto]

Thunderfirst, welcome to confusing marketing.
Growing plants requires photons(just a unit of measurement) of light to grow plants. The confusion...

[gbauto]

I've always run feminized seeds, always do a heavy strip on about day 20 and I've never had any issues. Make sure your environmental conditions are on...

[gbauto]

Looks a bit hungry, any more details on the grow?

[gbauto]

Trying to figure how 'much' light is needed to good growth involves knowing relative efficiency at converting watts of electricity into photons of useable...

[gbauto]

Obi-Wan pretty much nailed it.
Old school monochromatic diodes used in 'blurple' are the least efficient and at best can match a single ended hps...

[gbauto]

Lookin' that way...you'll know for sure in a week.

[gbauto]

I run into the same issue on my main room. Late afternoon sun shines directly on my intake vent and allows a faint glow from the inlet. I just made...

[gbauto]

The only time I've encountered this using rapid rooters is when they stay saturated with solution-that creates an environment for damping-off of the ...

[gbauto]

Shep, can you give us some more info on your grow. What concentration of nutes are you feeding and what is the pH and ppm your rez ends up at?
...

[gbauto]

PLC gear is top notch....

[gbauto]

Welcome, Cammy.
Lighting choices can be confusing. I like to work backward when choosing a light. A 4x4 has 16 sq ft of the area you're trying...