Ca ppm	KH dH	NO3 ppm	pH pH	PO4 ppm	S SG	tº F
Sep 10	Tue		8	15			1.023
Apr 23	Tue		9	20			1.025	77.5
Mar 26	Tue		8					75.6
Mar 12	Tue		7	20			1.024	79
Feb 28	Wed	450	7	20			1.025	77.5
Jul 19	Tue		7	10			1.025	77.5
Jun 7	Tue		7	10			1.024	79.3
May 24	Tue		8	5			1.026	78.3
May 10	Tue		0.45	10			1.026	78.4
Feb 22	Tue		6	5			1.028	79.3
Feb 8	Tue		7	10			1.027
Jan 28	Fri		8	10			1.028
Jan 14	Fri		7	5	8.4		1.028	81.1
Dec 31	Fri		8	5	8.4	0.00	1.026	80.8
Dec 17	Fri		7.5				1.028