1 kg Relax non-chlorine Shock.
Non-chlorine shock should be used to prevent you pool or spa water from deteriorating. When added to your pool or spa on a weekly basis or after heavy usage you will minimise unpleasent odours and eye burn. Non chlorine shock oxidises and removes organic contamination from water without increasing chlorine levels. It also reduces unpleasent chloromines. Non chlorine shock is the ideal shock treatment for chlorinated or brominated water, but should not be used as an alternative to your day-to-day saintiser