Dosing alk without calcium?

[Notsolostfish]

Can you dose alk alone if your calcium and magnesium are good? Or you have to dose both? Because my alk is 7 and my calcoum is 420, ans magnesium is 1315. So i want to rise alk alone and seen red sea sells alk riser alone

 

[salt creap]

Can you dose alk alone if your calcium and magnesium are good? Or you have to dose both? Because my alk is 7 and my calcoum is 420, ans magnesium is 1315. So i want to rise alk alone and seen red sea sells alk riser alone

definitely can add alk alone( i use arm and hammmer mixed a little tank water with it in a bowl and dump in my over flow- want to wait two or three hours before adding calcium