3. Composition of Stage 2 Treatment Bioreactors Immediately before and after the Addition of ED-Treated Digestates or DI Water on Day 25 .

	∑VFA (mM)			NH4 + (mM)		sCOD (g·L–1)
treatment	before	after	% decrease	before	after	before	after
T1	107.5 ± 1.4	93.5 ± 2.2	13.0%	63.5 ± 1.7	54.3 ± 2.0	16.0 ± 0.2	14.1 ± 0.1
T4	99.5 ± 4.4	83.2 ± 5.8	16.4%	63.6 ± 2.6	50.8 ± 2.6	14.9 ± 0.6	13.2 ± 0.2
T6	103.7 ± 3.2	79.6 ± 1.0	23.3%	63.3 ± 3.9	42.3 ± 2.4	15.4 ± 0.4	12.7 ± 0.2
T7	100.7 ± 2.7	72.0 ± 4.2	28.5%	64.0 ± 3.0	36.6 ± 2.3	15.1 ± 0.7	11.6 ± 0.5
DIW	104.8 ± 4.9	51.5 ± 2.5	50.8%	60.4 ± 2.7	29.9 ± 2.9	15.2 ± 0.5	7.3 ± 0.2
control	111.6 ± 2.8		NA	62.5 ± 2.2		16.1 ± 0.1

^aNA: not applicable.