BRS alkalinity vs red sea

[aerialdronemaster]

Hello

Do you guys use brs calcium, alkalinity?
How is it different from red sea ?
I think its cheaper to use BRS , mix it 8n q gallon, and dose it vs red sea
Am I right, or missing something

 

[Randy Holmes-Farley]

BRS uses my DIY recipes, which I describe how to use here:

http://reefkeeping.com/issues/2006-02/rhf/index.php