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is there a single driver that can power 9 of the qb120? 9 of those would be cool in a 4x4 tent

Awesome build dude. You think I could fit 2 of your builds for 480w in a 4x4 tent? i think so.. your fixture is 21x26 2 of these side by side would be 42x26 My tent is 48x48 hmmmmmmmmm i think I'm gonna do it lol

Qb120 = $30 for 60 watts 4 of these = $120 for 240 watts driver = $60 Am I missing something or does this allow me to build a 240w light for about $200? Has anyone built one of these? Can I see some pics?

https://www.homedepot.com/p/CITY-PICKERS-24-5-in-x-20-5-in-Patio-Raised-Garden-Bed-Grow-Box-Kit-with-Watering-System-and-Casters-in-Terra-Cotta-2340D/202563845 This one holds even more soil but only 2 gal of water. pros and cons?

Never mind. Figured it out. My neg and pos connection at the end boards weren't right. This light is awesome!

I've set up my 320w kit but it isn't powering on. Did I mess up somewhere? I hear a little click in the driver when plug in but no lights.

Have you tried no till in this grow box? I'd like to re amend after harvest and plant seeds directly in there again next to the old rootball. Think it'll work?

I need 2 lights in 1 tent. What would you choose? 2700k and 4000k 3000k and 3500k Or what would your combo choice of spectrum? I've read that a little blue light is good in bloom too and can increase resin production

My soil recipe is a little short on basalt. I only had enough to do 2 cups per cubic ft rather than 4 cups. My teens are already transplanted. Can I top dress with basalt when I buy some more next week?

2700k vs 3000k which would you choose and why?

Can someone confirm how much soil this sip box holds? http://www.agardenpatch.com Does it hold a big enough amount to do no till with 2 plants?

is gypsum and oyster shell flour considered a rock/dust/mineral?

I have a huge hood with a 1000w HPS bulb on a magnetic ballast that can dim 50%-75%-100%. Is there any converter or something that would allow me to use CMH?

Seems like most recipes call for 1/2 cup per CF of all amendments except for BASALT. Many recipes are 4 cups per CF for BASALT. Still good rule to follow?

Seems like most amendments for soil recipes are 1/2 cup per CF. However, a lot of recipes call for 4 cups per CF for BASALT. That's still a good thing to follow?

@hyroot So, I decided not to transplant and finish organically. I will just finish the run with their nutes. Can I still use flower power FFJ and AEM water?

America. But I have a 240 breaker and plug hooked up in my room for my hps digital ballast. I was wondering if I can plug the hlg lights into that socket as well. Would it run even more efficient? Because my 1000w hps only runs 4.5 amps on 240 but runs 9 amps on 120.

Thank you. Week 1 = 100ppm Week 8 = 800ppm How do you raise the ppm? If 1qt to 5gal equals 100ppm, The next batch just add more of the flower power to the same amount of water? Once I take out 1qt juice and replace with 1qt water, how long til I can take/replace again? And how long will the...

Can these diy kits be plugged into 240v outlets?

You didn't let it cook first? And planted cannabis seeds directly into your bed? I bet it smells good in your tent lol