Yup…http://www.buyandfun.com/en/large-syringe-for-hydroponics-100ml-80cm-handy-tube-p7675.html
Use one of those to draw all the old fluid out, should take 20 seconds tops, drain and wipe it clean, then fill it and bleed the system from the caliper up. Should take you all of 2 minutes 
They make larger ones, that’s a 100ml.