That indicates that they thrive in different water chemistries.
1	That	that	PRON	DT	Number=Sing|PronType=Dem	2	nsubj	2:nsubj	_
2	indicates	indicate	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	0:root	_
3	that	that	SCONJ	IN	_	5	mark	5:mark	_
4	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	5	nsubj	5:nsubj	_
5	thrive	thrive	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	2	ccomp	2:ccomp	_
6	in	in	ADP	IN	_	9	case	9:case	_
7	different	different	ADJ	JJ	Degree=Pos	9	amod	9:amod	_
8	water	water	NOUN	NN	Number=Sing	9	compound	9:compound	_
9	chemistries	chemistry	NOUN	NNS	Number=Plur	5	obl	5:obl:in	SpaceAfter=No
10	.	.	PUNCT	.	_	2	punct	2:punct	_
