said sachet containing {TAIL ~ a bouyant material}, wherein the overall weight of {HEAD ~ said dispenser} is such that it is immersed when initially deposited in said aqueous solution and said dispenser is buoyant when said water soluble bleach material has been dissolved 
said sachet containing { TAIL ~ a bouyant material } , wherein the overall weight of { HEAD ~ said dispenser } is such that it is immersed when initially deposited in said aqueous solution and said dispenser is buoyant when said water soluble bleach material has been dissolved
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH