KH dKH	Ca ppm	Mg ppm	NO3 ppm	PO4 ppm	P ppm
Dec 31	Sat				2.3	0.03
Mar 28	Tue						0.10
Feb 19	Sun	9.0	390
Feb 13	Mon	9.5	415			0.26
Feb 6	Mon	10.5	405
Feb 2	Thu		415
Feb 1	Wed	10.0				0.06
Jan 31	Tue		400
Jan 30	Mon		370
Jan 29	Sun	10.4
Jan 27	Fri	10.8	390
Jan 26	Thu	11.6
Jan 25	Wed			1350
Jan 24	Tue	11.9	380
Jan 21	Sat	11.0
Jan 18	Wed				2.5	0.04
Jan 16	Mon	10.2	370
Jan 9	Mon	11.0
Jul 22	Fri	8.0