KH dKH	Ca ppm	Mg ppm	NO3 ppm	pH pH	PO4 ppm	S ppt	tº C
Feb 21	Sun		440	1320	2	8.16	0.01	36	25.5
Jan 17	Sun	7.7	435	1290	2	8.1	0.01	36	25.5
Jan 3	Sun	7.3	415	1320	2	8.08	0.00	36	24.8
Dec 28	Mon		400	1290	2	8.0		36	25.6
Dec 13	Sun	9.1	430	1320	2	8.16	0.00	36.8	25.6
Nov 29	Sun	8.3	430	1350	2	7.8	0.00	36	24
Nov 22	Sun	8.0	450	1380	2	7.97	0.00	36	24.5
Nov 15	Sun	7.1	440	1340	2		0.00	36	25
Nov 8	Sun	7.8	435	1350	2		0.00	36	24.9
Nov 1	Sun	7.7	435	1310	2		0.02	36	23.9
Oct 18	Sun	8.3	450	1310	10		0.01	36	24.1
Oct 11	Sun	8.1	440	1350	10		0.00
Oct 5	Mon	8.2	435	1380	25		0.00	36	24.3
Sep 30	Wed	8.4	425	1360	25		0.00	36	25.3