Need more volume on liquid. Ratio help?

I take diazepam 2mg. I'm currently at 1.42mg and 5ml.  I generally mix 10 pills at a time for 70ml liquid total.  20ml water, 20ml flavoring, and 30ml suspension.  It settles overnight and I'd like to improve suspension and increase flavoring. It'd be nice to use 30ml water for dissolving pills.  85 suspension and 85 flavoring?

Moving to 200ml and 10 pills.  I dislike the taste of the suspension liquid.  Flavoring is thicker than water. Any ratio suggestions?  I don't know the suggested ratio. 

It'd be nice to use 30ml water for dissolving pills.  85 suspension and 85 flavoring?

Thanks!

As long as you understand the mg to ml comversion, you can dilute to any ratio/volume you choose.

But a ratio of either .1mg per ml, or .01mg per ml are the easiest to use because there really is no math required to convert mgs to mls; you just move the decimal.