When you get the tank make sure you wash the inside (with plain water) then you wash the gravel (with only water too) take out all the stuff that is floating on top.
1	When	when	ADV	WRB	PronType=Int	3	advmod	3:advmod	_
2	you	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	3	nsubj	3:nsubj	_
3	get	get	VERB	VBP	Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin	6	advcl	6:advcl:when	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	5:det	_
5	tank	tank	NOUN	NN	Number=Sing	3	obj	3:obj	_
6	make	make	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	0:root	_
7	sure	sure	ADJ	JJ	Degree=Pos	6	xcomp	6:xcomp	_
8	you	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	9	nsubj	9:nsubj	_
9	wash	wash	VERB	VBP	Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin	7	ccomp	7:ccomp	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	11:det	_
11	inside	inside	NOUN	NN	Number=Sing	9	obj	9:obj	_
12	(	(	PUNCT	-LRB-	_	9	punct	9:punct	SpaceAfter=No
13	with	with	ADP	IN	_	15	case	15:case	_
14	plain	plain	ADJ	JJ	Degree=Pos	15	amod	15:amod	_
15	water	water	NOUN	NN	Number=Sing	9	obl	9:obl:with	SpaceAfter=No
16	)	)	PUNCT	-RRB-	_	9	punct	9:punct	_
17	then	then	ADV	RB	PronType=Dem	19	advmod	19:advmod	_
18	you	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	19	nsubj	19:nsubj|28:nsubj	_
19	wash	wash	VERB	VBP	Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin	9	parataxis	9:parataxis	_
20	the	the	DET	DT	Definite=Def|PronType=Art	21	det	21:det	_
21	gravel	gravel	NOUN	NN	Number=Sing	19	obj	19:obj	_
22	(	(	PUNCT	-LRB-	_	19	punct	19:punct	SpaceAfter=No
23	with	with	ADP	IN	_	25	case	25:case	_
24	only	only	ADV	RB	_	25	advmod	25:advmod	_
25	water	water	NOUN	NN	Number=Sing	19	obl	19:obl:with	_
26	too	too	ADV	RB	_	19	advmod	19:advmod	SpaceAfter=No
27	)	)	PUNCT	-RRB-	_	19	punct	19:punct	_
28	take	take	VERB	VB	VerbForm=Inf	19	conj	19:conj	_
29	out	out	ADP	RP	_	28	compound:prt	28:compound:prt	_
30	all	all	DET	PDT	_	32	det:predet	32:det:predet	_
31	the	the	DET	DT	Definite=Def|PronType=Art	32	det	32:det	_
32	stuff	stuff	NOUN	NN	Number=Sing	28	obj	28:obj|35:nsubj	_
33	that	that	PRON	WDT	PronType=Rel	35	nsubj	32:ref	_
34	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	35	aux	35:aux	_
35	floating	float	VERB	VBG	Tense=Pres|VerbForm=Part	32	acl:relcl	32:acl:relcl	_
36	on	on	ADP	IN	_	37	case	37:case	_
37	top	top	NOUN	NN	Number=Sing	35	obl	35:obl:on	SpaceAfter=No
38	.	.	PUNCT	.	_	6	punct	6:punct	_
