Buy STARWAX Extra Strength WC Descaler (1kg)

This extra strength Starwax WC Descaler in effervescent powder form works effectively on the sides and bottoms of even the most heavily calcified toilet bowls*. Compatible with a septic tank, at an average of 2 applications per week. * provided there are no contraindications from the manufacturer.

Directions for use:

Remove toilet scale. Flush the toilet to moisten the bowl. Shake the bowl well before opening. Sprinkle on the walls and bottom of the bowl. Leave on for half an hour to overnight (depending on the limescale layer). Rinse with toilet brush and flush. Use only for the intended purpose. Not suitable for chemical or macerator toilets. Do not mix with bleach. Do not contact acid sensitive materials and do not use contrary to manufacturer's instructions.