KH dKH	Ca ppm	Mg ppm	NO3 ppm	ORP mV	pH pH	PO4 ppm	S SG	tº F
Nov 22	Fri	6.9	360	1400	0.00	261	8.15	0.00	1.025	77.9
Nov 10	Sun	6.2	390	1440	0.40	252	8.18	0.00	1.025	78
Aug 14	Wed	10.0	410	1320	6.2	253	8.22	0.09	1.024	79
Aug 8	Thu	7.4	340	1400	4.9	270	8.06	0.07	1.024	78.8
Jul 22	Mon	7.2	320	1400	4.9	251	8.02	0.02	1.024	78.8
May 26	Sun	6.1	370	1360	7.9	250	8.0	0.02	1.024	77.9
May 1	Wed	8.1
Apr 30	Tue	8.3
Apr 28	Sun	7.1	420	1400	13.6	267	8.13	0.12	1.025	78
Mar 17	Sun	8.2	440	1440	19.3	260	8.0	0.04	1.025	77.9
Mar 10	Sun	8.8	460	1300	20.1	255	8.12	0.05	1.025	78
Mar 3	Sun	8.3	460	1360	17.7	248	8.04	0.03	1.025	77.9
Feb 28	Wed	8.8	430	1400	13.5	261	7.91	0.03	1.025	78
Feb 18	Sun	9.3	430	1480	9.6	252	7.96	0.01	1.025	77.8
Feb 11	Sun	8.1	390	1360	11.2	265	7.95	0.01	1.025	77.6
Feb 7	Wed	8.5	450	1440	10.2	259	7.97	0.01	1.025	78
Jan 28	Sun				13.9
Jan 27	Sat	8.5	400	1400		267	7.97		1.024	78
Jan 21	Sun	8.7	400	1480	12.8	292	8.01	0.09	1.025	77.9
Jan 19	Fri	9.0				308				78
Jan 14	Sun	8.9	410	1480	15.3	287	7.9	0.00	1.025	77.6
Jan 6	Sat	8.8	430	1360	19.6	309	8.3	0.05	1.024	77.6
Jan 3	Wed	8.6			18.8	280	8.0		1.023	77.6
Jan 2	Tue	8.7	400	1300	16.7	265	8.13	0.02	1.022	77