losing clutch fluid?

hi guys recently had a new clutch master cylinder on my m plate v8 disco . noticed today the pedal seemed qwite low so checked the fluid and it was just visible . ive checked it and topped it up once since i had it replaced as reccoended by the guy who did it . is this normal?cant see any fluid anywhere inside or outside the car . any ideas?

Hi,

I had this recently on my 1993 Disco 200TDi. Losing fluid, 1/2" in 30 miles, but no sign of a leak. Eventually I changed the slave cylinder. Yes, it was oily inside, so bviously leaking into clutch, but no sign of it dripping out. Wading plug?

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