Thanks, I have a converter thing, but it's not something I bother with.

Thanks all the same.

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“trust our government officials and just take the damn vaccine!” - NBC puppet Dr. Nancy Snyderman

How am I supposed to flush them (obviously I'm a noob) ?

Welcome to RIU ya noob.
Flush means take it out of the pot and put it in the tolet and flush a few times and replant...

Ok just fucking with ya

its where you flush the soil with water 2-3 times the amount of soil you have (5 gals soil means 10-15 gal to flush), you let all the water run out the bottom.

This removes all the undissolved salts and nutes in your soil do it about every 3-4 weeks and 2 weeks before harvest.
Add 1 table spoon Black Strap Molasses to the last gallon of water + your nutes and a cap of hydrogen peroxide and your all set.

__________________
“trust our government officials and just take the damn vaccine!” - NBC puppet Dr. Nancy Snyderman

How do you flush a plant exactly (obviously I'm a noob) ?

AGAIN

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“trust our government officials and just take the damn vaccine!” - NBC puppet Dr. Nancy Snyderman

Ok, so I flushed them, but forgot to add the nutes to the last gallon. Is that a big problem and should I water them now with nutes or wait another week?

You could wait a bit. Maybe 2-3 days for the plant to just get adjusted.

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need to let the soil dry out for a few days, your gonna make em show more signs of over water
more damage will be done since your depriving them of oxygen.

__________________
“trust our government officials and just take the damn vaccine!” - NBC puppet Dr. Nancy Snyderman

One last question (I hope) - What is the ideal distance from a 600w Hps lamp to the top of the plants?

I couldn't say, but here's a trick to figure out for yourself:

Since weed and the human body seem to have the same threshold for heat (both get burned at temps over 45C), simply stick your hand out, palm upwards, next to the top of the plant and keep it there for a minute. If it feels unpleasantly hot, it's too hot for the plant too, if it feels comfortably warm, it's ok for your budding buddy too.

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