species  treatment   pCO2_category  aragonite_sat_category  
Mytilus_californianus  Control_T9  Control        Control                 
Mytilus_californianus  Ha          High           Low                     
Mytilus_californianus  Hb          High           Med-low                 
Mytilus_californianus  Hc          High           Med-High                
Mytilus_californianus  Hd          High           High                    
Mytilus_californianus  La          Low            Low                     
Mytilus_californianus  Lb          Low            Med-low                 
Mytilus_californianus  Lc          Low            Med-High                
Mytilus_californianus  Ld          Low            High                    
Mytilus_californianus  Mha         Med-High       Low                     
Mytilus_californianus  Mhb         Med-High       Med-low                 
Mytilus_californianus  Mhc         Med-High       Med-High                
Mytilus_californianus  Mhd         Med-High       High                    
Mytilus_californianus  Mla         Med-low        Low                     
Mytilus_californianus  Mlb         Med-low        Med-low                 
Mytilus_californianus  Mlc         Med-low        Med-High                
Mytilus_californianus  Mld         Med-low        High