Description
We suggest running this filter for 24 hours per day for the first few days, it usually takes effect in 3 to 7 days depending the szie of the tank and how bad the green water is, after the water start to be clear please cut the running time 4 to 8 hours per day to keep the water clear. Multiple functions: (a) green water killer (b)air bubble function It makes the green water turn to clear by killing the floating a-l-g-a in about 3 to 10 days.
