| group |  condition |  fitness |  t score |    | 
 | stress |  McCas_formate_complete Phenazine methosulfate 0.0166666666666667 mM |  -3.1 |  -11.6 |   compare | 
 | rich t2 |  H2 McCas, 5g/L bicarb, 40 psi H2CO2 |  -3.1 |  -11.1 |   compare | 
 | stress |  McCas_formate_complete Phenazine methosulfate 0.0166666666666667 mM |  -3.0 |  -9.8 |   compare | 
 | nutrient t2 |  H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 & Casamino Acid FREE |  -2.7 |  -12.5 |   compare | 
 | nutrient t2 |  H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 & Casamino Acid FREE |  -2.6 |  -12.2 |   compare | 
 | nutrient t2 |  H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 Vitamin & Casamino Acid FREE |  -2.6 |  -12.7 |   compare | 
 | rich t2 |  H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2 |  -2.4 |  -12.1 |   compare | 
 | nutrient t2 |  H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 Vitamin & Casamino Acid FREE |  -2.4 |  -12.3 |   compare | 
 | rich t2 |  H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 FREE |  -2.4 |  -12.6 |   compare | 
 | iron |  Iron excess (2.5x) , H2 media |  -2.3 |  -10.7 |   compare | 
 | nutrient t2 |  H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 & Vitamin FREE |  -2.1 |  -10.5 |   compare | 
 | planktonic |  H2 pooled triplicate planktonic cells |  -2.1 |  -10.2 |   compare | 
 | nutrient t2 |  H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 & Vitamin FREE |  -2.1 |  -11.7 |   compare | 
 | rich t2 |  H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 FREE |  -2.0 |  -11.2 |   compare | 
 | rich t2 |  H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2 |  -2.0 |  -10.1 |   compare | 
 | iron |  Iron excess (2.5x) , H2 media |  -2.0 |  -10.3 |   compare | 
 | iron |  Iron excess (2.5x) , H2 media |  -1.9 |  -9.6 |   compare | 
 | nitrogen source |  H2 N-free with 10mM D-glucosamine |  -1.9 |  -8.5 |   compare | 
 | nitrogen source |  H2 N-free with 10mM Ammonium chloride |  -1.8 |  -10.7 |   compare | 
 | nutrient t2 |  Formate McCas, 2.5g/L bicarb, 200 mM MOPs, 20 psi N2CO2, SO4 Vitamin & Casamino Acid FREE |  -1.8 |  -11.2 |   compare |