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ad libitum access to water and forage

DOI: 10.1002/hlca.201300321 Full discussion of why the pK a of water (in water as solvent) should be 14.0 and the pKa of H3O(+) should be 0

doi:10.3109/14764172.2015.1096398 12

In general, the term "plastic coloring" often refers to internal coloring
