This Polycell mould killer contains a powerful fungicide which kills and removes mould. It will totally prevent re-growth in one single application and is ideal for preparing mould-prone area before painting to give a better paint finish. It is easy to apply, just spray 3 in 1 mould and leave for 5-10 mins and then wipe away, Tools needed brush, damp cloth and gloves. Specification Size 500 ml spray bottle.