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I'm going to have to disagree with you on this, i think buying underpowered lights is a waste of money, I see this mistake made way more often then a new comer with too much light. Too much light can also easily be fixed with the dimmer on the light, buying an underpowered light is a much more...

I have a set of 2ft T8 LED 3000k tubes, I use them like the ion beams in flowering. The plants can touch the led tube with no issues. I would use them as intra-canopy lighting as well but the back still gets warm even if the front doesn't, but they work excellent as side lighting and much...

PM won't die by just getting wet. Surfactants make water "wetter" so whatever is mixed in it actually lathers the plant surface, but the surfactant isn't doing anything itself. Ive read about compost tea too, never tried that but i did try milk, which didnt really work. How do you make lactic...

J It's always better to error on the side of too little water. It's easier to fix a plant that needs water than a plant that is drowning.

In my experience, once PM spores has taken hold in your grow space, the only way to get rid of it completely is to sanitize the grow area via ozone or UVC. When I first started growing, I didn't have fans, didn't know about defoliation, I ran a humid cupboard that yielded me airy buds but...

If UV light was effective against PM, we wouldn't have it in the wild. I'm not discounting your experience, but the science simply doesn't back it up.

Over the years I've met a few growers that swear by flowering 13/11, I always listened to what they had to say but always took it with a grain of salt. Glad to see there's actually evidence to support that some strains benefit from the 13/11 light schedule. Unlike others in the thread going down...

You need a much better light, those are extremely small for 7 week old plants.

Would love the controller kit, it's the only thing I don't have. Thanks for having a giveaway for the community. I want to buy the UV + IR combo bar but it's sold out in Canada, I had to settle with 4 GlowR80.

Any chance this was from the OCS?

For how it started, it looks like it's going very good. I'm growing some autos for the first time in almost a decade, they started preflowering later then your plants but they completely stopped growing in size and just stacking bud now. I'm probably never going to grow autoflowers again and...

Nice! All the Grandmaster fixtures always look so nice. Beautiful grow btw, but no defoliation?

What light is that? Looks nice

I use to do it too, until I learned the science behind it. It's 100% unnecessary to feed the microbes in your soil sugars, that's already produced by the plant, the only time it might be useful is in the last 2-3 weeks of flower when the plant has reach senescense and no longer living...

Hey Rocket Soul, this is off topic but I'm new around these parts, I've been spending a ton of time reading old threads, and you've been a huge contributor to this forum for what looks like a long time. I really appreciate all the knowledge you willingly share with the rest of us. I just wanted...

From everything I've read, rooting hormone doesn't work like that, it won't be effective because the concentration of it making contact with the plant will not be high enough.

I wonder what color those green diodes are. We can't get this light in Canada but it looks pretty cool.

What model lights are they? Are these the Solarsystem 550?

What year SF4000? You can tell by the diode layout, 1st gen has the evenly spaced diodes, second gen has a more optimized layout and the Evo will say Evo on the board. If it's the 2nd gen one, I'd do it, it has a decent amount of lm301b diodes in an optimized arrangement. The ppfd map looks...

The MarsHydro greenhouse light is meant to used in a greenhouse and not as a stand-alone light in a tent. It's supplemental lighting for the sun, you just need the most efficient spectrum to blast on cloudy days to supplement a light that already has everything else in abundance.