The following composition is suggested for a household laundry bleach tablet*: *Subject to FMC Patents 3,338,836 and 3,367,876 Ultramarine blue/0.2% Sodium dichloroisocyanurate/20.0% Sodium chloride*/35.8% **Dendritic grade. Sodium tripolyphosphate, phase II granular/40.0% Anionic surfactant, 40% active beads/4.0%