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Adding some more photos. I've been mostly keeping the pH below 6.0 (noobie here, probably adjusting the pH too many times instead of letting it flux more) and after looking at additional photos i'm seeing yellowing between veins and at least one red stem, which might indicate a magnesium...

Hello, can someone help me ID this issue? pH at 5.9, air temp ranges from 72 to 82 F, rez temp ranges from 60-74 F, RH ranges from 44-57% (have to run AC to keep temps down), EC currently at 0.5, plant is a few weeks old. Noticing leaf discoloration and slight curling. Using quantum boards at...

Hello, ftg here so please excuse me if this is a dumb question. I'm using the Lucas Formula and I see that it calls for 8 mL/gal Flora Micro and 16 mL/gal for Flora Bloom at max strength. However, I would like to dilute this strength starting out so I don't nute burn my seedlings. I was going to...

Great point. Based on the photos, does it look like a nute issue to you?

Thank you for the input!

Hi! Yes they are potent boards, but I have a lux meter and they are only at 15K lux right now, which is more of a seedling level from what I'm told. But good point, I will definitely keep an eye out for light burn signs as I had that before--thank you

lights are HLG QB96 in bubbleponics, 1/2 tsp per gal of Flora trio, pH in 5.7-6.2 range. Thanks!

Hello, could someone please help me diagnose my plants? pH around 6, using GH Flora trio and supplementing with a small amount of Silica and CalMag. I'm noticing yellow patterns on the leaves and occasional curled/twisted growth. My hunch is that this is some kind of virus, but I thought I might...

"Each QB3 running at 700mA should have around4,5w net and 5,5w at the wall so 4 of them would fit pretty well. This way you can use one QB3 per 2x 2' area which gives you a nice and even spread." Wouldn't 1 QB 3 per 2x2 mean a total of 2 in a 4x4 is optimal? I'm going with 4 on an APC 25-700...

Hi @Randomblame , I've ordered 4 QB 96s for my 4x4 and would like to know how many QB3s to install for the proper ratio of Far red light. Also what are your guidelines regarding timing and spacing the far reds for emerson effect and flower initiation? Thanks!

Hello everyone, I'm a little confused about LBH's description of the 2nd topping. Where exactly is he topping the 2nd time--at the end of the 4 mains that were spiked down, or somewhere on the 2 offshoots in the middle of the 4 mains? If the latter, then which offshoot is topped, and where? Thanks!