UPDATE:
ok so got some real test kits. all is good except the ph (yes i just recalibrated my handheld)... but the ph is the same in tank as in my NSW mixing station
35ppm
420 Cal (salifert)
1320Mg (aquaforest)
11.5 dKh (salifert)
7.6Ph (in tank) 7.7Ph (NSW) 6.8Ph (ro/di 7 stage) [lights on...