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Running rdwc 6 x 1000w lights 2hp chiller set to 65. Have ran the same system with same nutes before no probs but this is 1st time using tap water. Used tap through veg and had no issues. On wk 4 and since week 2 my ec has increased from 1.0 to 1.8 and ph from 5.8 to 4.2. I bring the ec back up...

I'm trying to set up my grow room and have some questions. Currently have a 10" max can fan with 10" phresh filter for the active exhaust and a 12 x 24 louver for the passive intake. Do I need dampers at both the intake and exhaust? What kind of dampers do i use; for example, automated dampers...

My tap water is ~7.1 to 7.4 PH and ppm is 190. Tried searching the forums for a general concensus of what is a high ppm number that warrants purchasing a RO system, but not finding a key number. Does anyone have any wisdom they can bring to the table or could advise me if i should invest in the...

There's a lot of info out there on seed germination. I have went through a lot of it, but just needed some reassurance. If I'm germinating seeds for hydro, should I soak them for up to 24 hours, or less/more? Most people use rockwool plugs then transfer that into a bigger piece of rockwool. I've...

I have been through so many posts in several different forums and its back and forth with the correct calculations for the exhaust, filter, and intake. can somebody please give me the correct info. someone posted the ventilation info below and from everything else i've read its incorrect and the...

Trying to figure out which system is best to use. Stuck between ebb and flow and growing in soil. My drawbacks for the E&F is i'm afraid of losing power and killing the crop, and for growing in soil, its purchasing all the soil. Found some pots online at 420 grow systems that appears to be a...

Starting my first grow next month using LEDs and a tent. Lots of crap i'd like to purchase, and lots to learn. Hopefully you guys can give me some pointers along the way. Definitely gonna need 'em. So please keep watching. Big ups to everyone breaking the law in Chi-town

i kind of already posted this but noone has answered my thread so here goes again. I'm setting up a grow room and trying to go with led's. i want to use a 10 x 10 x 7 tent. what is the best wattage of led to use and of what quantity to use in this space. also since i'm using led's do i need to...

So much MJ info out there. Been reading up for the last couple months and finally decided to start setting up my grow room. I need a little help if you guys can give me some good info. I 'm growing in a tent 10 x 10 x 7 and i want to use led lights. what would be your recommendation for the best...