Algol from JBL is the effective way to control algae without using copper. See the results in just a few days with no harmful effects to your aquatic plants.
JBL Algol is the fast and efficient solution to algae problems in your aquarium. It controls the algae without affecting the aquatic plants.JBL Algol at a glance:
Dosage: 1 screw cap (outer) (2.5ml) per 10 litres of water.
1 screw cap (inner) (7.5ml) per 30 litres of water.
The treatment can be repeated after 2 weeks using only half the dose.
Warning:
If the treatment is repeated too frequently it can harm sensitive plants. During treatment make sure that there is a good supply of oxygen and adequate water movement. Do not filter through a carbon filter. !
JBL Algol can have a negative effect on freshwater shrimp and snails and similar sensitive aquatic animals.