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  1. G

    Jacks 321 Nutrients

    321 is the ratio. The full feed schedule is 3.6g of Hydro 2.4g of calNit and 1.2g of epsom salt.
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    Seedlings in rockwool are not growing, but turn yellow and die

    I've been growing in RW cubes for a few years. It root cuts just fine. But the seed germination is a little tough. Grodan says to put straight in cube with no pre-germination. I personally soak in ph'd water, then use a salad spinner to get all water out. Then water in fresh RO with no nutes. I...
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    DIY with Quantum Boards

    The plant is a Bodhi Buddha’s hand. Funny it’s same breeder and part landrace lemon Thai. It’s a boy too
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    DIY with Quantum Boards

    One of my seedlings showed sex while under new qb. Wa under fluorescent. It’s 24/0 cycle. Never had seedling show sex so soon under veg. Just wondering is spectrum had any thing to do with it. 4000k
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    DIY with Quantum Boards

    Thank you very much pop. These QB put off some light. My area 51 190W doesnt come close. Hopefully the buds will be covered to resin.
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    DIY with Quantum Boards

    My new qb 260w is super blinding on low. The ballast is warm to touch. Normal? Super hot on full. Just wanna make sure is ok. Haven’t wiire anything in awhile
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    DIY with Quantum Boards

    Thanks for the reply. I haven't touched the driver settings. So is it at full power to start?. First time wiring one and concerned about doing it safely.
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    DIY with Quantum Boards

    Are the driver and heat sink hot to the touch? I just put a qb 260w together.
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    DIY with Quantum Boards

    That Mega Crop looks legit. Super cheap in bulk. Are u using just by itself? Have you completed entire grow with it? Using Veg Bloom hard water, 1 tsp per gall for entire grow. Really works great. Use it all by itself.
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    DIY with Quantum Boards

    Its going to be in the open. Would love to fill tray but maybe i'll just do a 2x3.
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    DIY with Quantum Boards

    Today was supposed to be Christmas for me. Then UPS delayed my delivery until next business day. Which appears to be Tuesday. ERR. I haven't opened a new toy in years. Kids first of course. Any QB users out there who believe the QB 260W will cover a 2x4 tray?
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    DIY with Quantum Boards

    Ordered my QB 260W on Sat. Shipped today. HLG is quick. Thanks guys.
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    DIY with Quantum Boards

    Thanks for info!
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    DIY with Quantum Boards

    Hello everyone, I just purchased the 260W QB kit. Would like any input on assembling. Should I build a frame? Does it need lenses? I'm a noob and would really appreciate any advice.
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