Historical information

The white tablet kills germs/bacteria and leaves that swimming pool taste, The blue tablet takes that away.

Physical description

Water sterilisation kit consisting of.
.1) Tin base and lid, lid is black with white description, inside lid in black instructions for use.
.2) Bottle, cylindrical shape, white plastic lid, contents consist of blue tablets, label with black print around.
.3) Bottle, cylindrical shape, white plastic lid, contents consist of white tablets, label with black print around.

Inscriptions & markings

.2) On label, “THIO Tablets”.
.3) On label, “ Sterilizing tablets, crush tablet before using, water bottle must be emptied before refilling”