If increased flow is the goal, why not just add more water?. Why use a deflocculant?. The more water, the higher the shrinkage rate of your casting slip, and high shrinkage is typically not so desirable.
#UK *** LOT *** CERAMIC PIGMENTS Stains Underglaze Colors Colours Paint Pottery
Winsor Newton Galeria Acrylic Paint Mediums, Varnishes and Additives 250ml
PLASTISOL INKS AND ADDITIVES FOR SCREEN PRINTING 250gms 500gms 1kg 5kg
Winsor Newton Water Mixable Oil Painting Mediums & Additives 75ml
Mini Pottery Wheel 2000RPM Electric Ceramic Machine 6.5-10cm Turntable Craft UK
Ceramic Paint Palette Porcelain Palette Watercolor Paint Mixing Colour Tray UK