Fix-A-LeakLeak Repair Dose: 115ml per 950 litres A concentrated, blended, proprietary formula. Seals leaks in all types of materials. Seals leaks in the walls, floor or shell. Seals leaks in suction lines. Works well, throughout the plumbing system. Helps seal holes as large as 3mm (0. 118 in) diameter. Forms a durable, long lasting seal. Shake well before using! Bypass Filter or remove the filter cartridge, before adding FIX A LEAK to water. With pump running,