Just wanted to put this out there for the experts and looking for opinions as well. I test all my parimeters but this is what i dose on a weekly to bi weekly bases. the opinions i am looking for is whatg i can cut elemenate etc.

so what i dose

baking soda to keep PH and couter act the purple up
purple up for coraline alage
kent essential elements
kent iodine
kent coral-vite

so do i really need to dose all this of can i cut some or is this a good all around addition.