How to make my own calibration fluid for refractometer?

[Jason mack]

as the title says , I would like to make my own calibration fluid .. but I can't seem too find a link or thread on how too .. can anybody point me in the right direction please ..!!!
Thanks mack

 

[BlueCursor]

Why? The expense of the scale is a lot more than the cost of the calibration fluid.

 

[Jason mack]

Why? The expense of the scale is a lot more than the cost of the calibration fluid.

Scales I have already ...

 

[Maacc]

Check this out from Randy.
http://reefkeeping.com/issues/2004-06/rhf/index.htm

 

[Jason mack]

Check this out from Randy.
http://reefkeeping.com/issues/2004-06/rhf/index.htm

Thanks that's what I wanted !!!!