All for Reef Users: How much does your tank use?

[jonelder68]

Anyone combining all for reef with kalk in top off? I’m waiting for a sale on an apex controller to come around so I can start consistently monitoring pH and potentially adding some kalk to my top off if my pH is running low. Hopefully thus increasing coral growth. I know a lot of hypotheticals but is anyone here doing this? Any issues, what’s the verdict?

I know @Troylee does AFR and kalk