3.4 oz Seachem Flourish Excel

Seachem flourish excel fish and aquatic life freshwater treatmentfor more than 30 years, aquarium hobbyists have turned to Seachem Laboratories for products designed by chemists and biologists. Use it either alone or in conjunction with CO2. introduces photosynthetic intermediates and also has iron reducing properties.Instructions: On initial use or after a major (40%) water change, (5 mL) for every 40 L (10 US gallons). Thereafter use 1 capful for every 200 L (50 US gallons) daily or every other day. For smaller dosing please note that each cap thread is approximately 1 mL. Do not overdose