Function: 1 FAST RESULTS: Aquarium algae remover works quickly, and has noticeable algae removal effect in about 3 days, which can inhibit the growth of algae. 2. Biological Algae Removal: This aquarium algae is a biological chemical that is added in proportion to avoid any harm to fish and can be used with confidence. 3 SUITABLE ALGAE KILDER: This aquarium spear remover aims to kill algae and various algae species use a variety of scientific formulas to improve the effectiveness. 4 Instructions: Add 1ml of this chemical to 20L water every 2 days. The treatment course is 5 times and there is no need to change water between them. 5 Note: Mixing with other similar products is prohibited. When using it, please remove strong filter media such as activated carbon and zeolite How to use: Add 1ml of this chemical to 20L water every 2 days. 5 treatment courses No need to change water between them. Remove strong adsorption filter material such as activated carbon, zeolite Specifications: Item Type: Algaide Material: Algaide Purpose: For removing algae in aquariums and aquariums a>Package List: 1 x Algicide 1 x Measuring Cup 1 x Manual Note: 1 Make sure you have enough amounts for a few hours after installing the algaecide If the fish head is floating. 2. This pharmaceutical