gelbfilter:
Stage 1 - shampoo
gelbfilter:
Stage 2 - mechanical debris removal
gelbfilter:
Stage 3 - more shampoo
gelbfilter:
Stage 4 - the brush
gelbfilter:
Stage 5 - rinse
gelbfilter:
Stage 6 - air dry
gelbfilter:
Stage 7 - leave