I was lookin at this doser for my calcium /alk /ess,elements,and strontium

Right now I do it all manually every day. any body have any in put on this PROS/CONS. or just stick to manual, different brands I could look at ?



monday, Thursday (4 1/2tsps calcium,3caps Essential.Elements,DT live 3caps)
Tuesday,Friday (4 1/4tsps alk,4 caps strontium, 3 caps micro-vert)
wednesday (7 drops Lougols solution,3 caps DT live)
saturday (4 caps micro-vert)
Sunday (15 Gallon water change)

Its a 180 gallon tank