Pro-Clean Heat Pump Cleaner is a professional-grade cleaning solution designed to remove limescale, calcium deposits, and other debris from heat exchangers. Ideal for regular maintenance, it helps prevent blockages and efficiency loss in swimming pool and spa heat pumps. Suitable for all metal heat exchangers, including those with titanium, stainless steel, and copper components. The 1-litre bottle is concentrated for effective performance?always dilute according to manufacturer guidelines. Regular cleaning helps maintain peak system performance and prolongs equipment lifespan.