sog,lst,FIM

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It looks like you have 15 plants in there. What size tray is that?

Your setup looks very similar to mine, except that I am using hydroton. I am considering switching to rockwool slabs. Is that what yours is? How is it working out for you?

:joint:
 
yep,15.i usually do 18-21 in my 2x4(roughly)tray.ive tried doing less plants bigger but the the lite (400hps) just wont penetrate effectively.20 gal res,GH nutes,hygrozyme.squirrell fan exhaust,2 oscil. circ fans.ill see if i can find a overview. oh yeah,love daRW for lots of reasons
 
changed res...1170ppm 5.8 78deg 45%h 7wks to go
 

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