KH dKH	Ca ppm	Mg ppm	pH pH	PO4 ppm	S SG
May 14	Tue	7.7	410	1260			1.025
May 6	Mon	7.4	440	1320	8.2		1.025
May 4	Sat						1.024
Apr 28	Sun	8.0	450	1290
Apr 21	Sun	9.6	470	1260
Apr 18	Thu	8.3	470	1260		0.00
Mar 7	Thu	8.3	470	1260
Mar 3	Sun	10.0	470	1290
Feb 26	Tue	7.7	445	1200
Feb 10	Sun	6.4	460	1290
Feb 3	Sun	6.7	450	1290
Jan 23	Wed	6.4	430	1290
Jan 11	Fri	8.0	400	1290
Jan 3	Thu	8.0	400	1200