Easy Life Easy Start contains highly effective active bacteria cultures which quickly give your aquarium or filter system a boost & make sure your aquarium & filters stay clean. The unique bacteria carriers promote an accelerated increase in good bacteria. These help to combat harmful bacteria & also keep the water clean & free from heavy metals & chemical pollutants. You will be reassured that your aquarium is providing a healthy environment & you will notice that your fish are lively & brightly coloured. Instructions & dosage: Shake the bottle of Easy Start well & add immediately to the water. For new aquariums & filters: Day 1: 10 ml per 50 litres Day 7: 10 ml per 50 litres Day 14: 10 ml per 50 litres Cloudy water will clear after a few hours Once opened, store Easy Start in a cool, dark & safe place. Keep out of reach of children & pets.