Substrate Cleaner (1.89L.)

Substrate Cleaner is a specially developed bacterial mixture for the biological decomposition of mulm and waste materials in the substrate as well as rock for marine and freshwater aquaria. Substrate Cleaner safely removes organic deposits, eliminates harmful gaseous compounds and completely breaks down phosphate and nitrate sources in the substrate and rocks. Dosage: Add 20 ml to 100 litres of water every 14 days until the substrate is clean. Maintenance dosing: Add 20 ml per 100 litres of water once a month. Tips: - Cloudiness caused by Substrate Cleaner is absolutely harmless and disappears after 24-72 h. - Ozone and UV light can kill bacteria, switch it off for 12-24 h during application. - Use Substrate Cleaner to remove phosphate depots in sea water weekly in a dosage of 10 ml per 200 litres of water in combination with Phosphate Remover or Phos-Out 4.