Pesticides against algae in freshwater aquariums. Helps kill filamentous algae, brown algae, blue algae, black beard algae and tufted algae. Our special formula can slow down algae metabolism and eradicate spores. It will not harm plants or fish.

Dosage 1. 2 drops per 25 liters of water, once a day for 2 consecutive weeks. 2. The algae should turn whitish during the treatment, please change 30% of the water every 7 days. 3. When the 2-week treatment is over, add the recommended dose once a week as a precaution. 4. For safety reasons, remove mosses, shells and shrimps before treatment.

If you have problems with Hydra or Planaria or other pests, use Z-1 Bio Protector instead.

To protect your plants against all kinds of algae use Z-2 Aquarium Plant Protector.