You're asking about something that's already a main feature of Renshuu.
First, SRS isn't something you "do". SRS is a feature, an automated system. They're already invorpirated in schedules as soon as they're created. There's nothing you input on that except to customize what it gives you, but what diminishes that is within the name of this place. You have no limit what you practice and how much you practice.
All you need is a schedule, and uou practice the content of that schedule. You can make your own schedules as uou need, but even chances are, since youre new here, there's a pre-made list that you're looking for, especially for complete beginners.
