I'm just finishing a run of those two strains (12 OG Kush, 29 Chem Dog, 3 Cheese) and I can tell you, the OG kush is a VERY light feeder compared to Chem Dawg D. I fed it once and basically gave it nothing but plain water for the rest of my run and still it was overfed. Chem Dawg yellows up a...