· Bio ball are best filter medium. Using this bio balls in your filter system, naturally good bacteria will create in your fish tank
· You can keep this bio ball in all the places where the water circulates in your filter system for your tank.
· every time you need not wash this fully whenever you wash your fish tank and other filter medium.
· As long as you use bio balls without washing but keeping in your filter system is so much good for your fishes in the tank.
· Bio balls are used in all power filters, canister filers, top filers, pond filer systems. Using bio ball your fishes will get good color, good growth and good shape.