Description Allgon Pro 10L (professional strength) Controls mould, removes green and red algae from hard surfaces. Active ingredient: Benzalkonium chloride 42% v/v 420g/L – Biodegradable – No acids/bleach – Safe on surfaces – Spray & go Rates: Heavy growth – 750ml in 15ltrs water to cover 800m2 – 1 part Allgon 20 part water for 800m2 Light growth – 375ml in 15ltrs water to cover 1,600m2 – 1 part Allgon 40 part water for 1600m2 Apply when surface is dry. Apply using a power or knapsack sprayer. Ensure 4-6 hours of dry conditions for optimum effectiveness. Kills within 2 days. Heavy growth may take up to 1 week to turn brown. One 10L drum would cover approx. 10.000 m2. PCS 98128
