HELP , brown spots and yellowing...

Inkubator · Oct 7, 2012

Anyone have any idea what this might be causing?

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I'm using 420W CFLs 6400K and 2700K. Water is 6,5Ph. And I'm using Fish-mix nutes.

scroglodyte · Oct 7, 2012

looks a bit like cal def.

MrGhettoGrower · Oct 8, 2012

Looks under fed like what dirt is it in never heard of your nutes how much are you giving ?