JBL Algool 250 Ml

This product is an algicide for freshwater aquariums designed to combat all types of algae, including green water. It should be applied ideally in the morning when pH is low, after a 30% water change, and with adequate oxygenation. Additional use may be required after five days.

• The description claims that the product is effective against all types of algae in freshwater aquariums.
• The description claims that the product is copper-free.
• The description claims that the product is safe for fish and microorganisms if used correctly.