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  1. Y

    Question on LED lights and seedlings

    I have two 135w ufo's with 3w chips in my cab (270w total). Would these be too much for 7 day old seedlings with the lights say 20" away? No nutes yet, obviously, just debating whether to stick them in the hydro set up in net pots with hydroton and drip feed plain RO water under the LED's or...
  2. Y

    PH up and down in res bad?

    So i've read many times that adding both up and down to stabilize ph is bad; but how bad? I have an automatic ph adjuster set to a 5.6 to 6.0 range with a probe that is permanently in the res, that monitors and adjusts as needed. I added the veg nute mix, but forgot to unplug the up/down lines...
  3. Y

    Quick lighting question

    Can you go 24/0 on seedlings for two weeks and then switch to 20/4 once they're transferred to hydro for the rest of veg? Especially if you're fighting heat issues?
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