Directions for use: Remove tablet from wrapper and place into the toilet bowl. Leave for 20 minutes. Brush and flush. For heavily soiled toilet bowls use one or two tablets, leave overnight then brush and flush.
CAUTION: Must only be used in the toilet bowl. Avoid contact with acid sensitive surfaces. Always wash hands after use. Never mix or use with any other chemicals. Do not allow the product to come into contact with chlorine bleach. In case of accidents, rinse with large quantities of water.