lmfao, +rep for ya potroast, I know you meant it in a nice way. VV

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1st day of flowering 1000 ppm is ok ?

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Well, just feeding them 1000ppm is OK in some cases, but not all. If you are supplying your plants with good light, at least 40w/sqft of HID, and sufficient fresh air, then it will probably be OK. It's best to watch your plants and they will let you know if it's OK.

HTH

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Thank you very much + Rep

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I'm growing using FF tiger bloom and i just started big bloom. My went into flowering two weeks ago, one 3. I'm using Distilled water. I was wondering if there is an inherent deficiency in my combination of tigerbloom+big bloom+0ppm water. I only just started using big bloom...3 days ago too.

I'm being told i have a mag deficiency and am treating it as such cause i just really don't think it's nute burn and my ph is always around 6.1-6.3 and my temps never break 82. I'm being told to drop my ph to 5.8, which i'm doing. I flushed my tank, then filled it with 150ppms of epsom salt, then big bloom and tiger boom to 450ppms, to wait and see how that plant reacts. I don't see damage spreading...it might be recovering...i'm foilar feeding it espom water too.

do u add fert to reservoir as soon as u stick seedlings into rockwool? just started placed seedlings in rockwool and so on. added water and added nuts. now im about to change the water and needed to know if what i did was right or not.

also noticed some alge white crap growing on my rocks. do i clean that up with h202 to reservoir?

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Mot

My rockwool is initially soaked in mild nute solution, pH low 5's, and then drenched in mild nute solution pH 5.8, and then used for cuttings, and the rockwool is regularly soaked in nute solution.

For any nasties in your res, H2O2 will clean it up. If you use the 35%, add it to your res at 6ml/gallon, and re-add that amount every 3rd day. This will also kill any good critters in there.

HTH

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Do I use hydrogen peroxide to flush and if so how much do I use per gallon?

Not really, most that use it are controlling pathogens in the tank. the h202 breaks down to h2o and o, it adds a little oxygen in the process. Potroast just posted the dilution ratio and time for using it. Its not that involved in flushing, it breaks down as it sanitizes. For flushing you should use a 1/4 strength nute solution at two times the watering capacity of you pot. If your using hydro, remove some of your solution from your tanks and add water to dilute it to 1/4 strength, then ph the water, run the system. VV

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Hey whats up guys, I'm planning on starting a DWC scrog grow and this will be my first attempt at hydro and so of course I have a few noob questions I hope you all can help me out with....

First off, PPM, I know what it stands for but what are we actually measuring and what range are we looking to keep that in??

In regards to changing out your nutrient solution, I'll be using a rubbermaid tub bubbler with 5 or 6 plants in it, how often should I change out the nutrient solution or is it possible to not change it out and just top off as needed?? Would it be feasible to hook the tubs up to a reservoir that is placed higher off the ground than the tubs with a line coming in at about the watter level in order to passively refill the nutrient solution as it gets used??

I know what EC means but why is it important and what range are we looking to keep it in...

Lastly, any recommendations on strains from nirvana seeds or dr chronic seeds that have really good branching characterisitics??

Thanks in advance.