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I’m upgrading my flower tent from a 4x5 to a 4x8. Running 2 mammoth lighting 10 bar (800w) lights. All the calculators I’ve seen say I only need about 275 cfm exhaust. Is this right?

Hello all, I flipped fo flower on 3/15 and for the second time, two of my girls are wilted going into night time (20-30 min after feeding time, they perk back up). I’m using 4x4x4 grodan blocks and dripping about 90ml per plant every hour starting 2 hours after lights on and ending 4 hours prior...

I’m getting ready to make the switch to flower in the next couple of weeks and was wondering: how does everyone keep their reservoirs mixed for automatic feeding? FWIW: I’m using a drip system

Came down to water after lights on this evening and noticed something white on a couple of my Grodan blocks. Is this WPM??? Nothing on the leaves... I’m using RO and Veg+bloom nutes

So, I’ve dived in head first. I’ve started with 3 seeds of 2 strains (white widow and Alaskan purp - both seedsman fem). Growing in Rockwool, using an all LED setup. Veg+bloom nutes.

Hey everyone, I’ve been feeling prettying good about my first grow so far but noticed today, what appears to be the start of mold on one of my 4in blocks. Should I scrap it??

I’m new to growing, but am very excited. I’ve been doing a lot of research and decided to use LED but am finding some conflicting info on temps but this seems to be the most intelligent article I’ve found thus far... “When a leaf absorbs IR, it heats the leaf creating actual leaf temperatures...

I’m new to growing, but am very excited. I’ve been doing a lot of research and decided to use LED but am finding some conflicting info on temps... “When a leaf absorbs IR, it heats the leaf creating actual leaf temperatures of 5-7 degrees higher than the 78F degree air temperature. Thus with...