Eheim Prefilter 6664 tank Use approximately 250 ml (1/2

Use approximately 250 ml (1/2 cup) of HydroCarbon 2 G

It is a complexed ferrous (Fe+2) iron product which contains 10

The best defense is to catch internal infections early

High quality acrylic construction

but test strips can help you simplify your testing routine

Eheim Prefilter 6664 tank Use approximately 250 ml (1/2This extra prefilter traps the majority of coarse dirt particles, even before the water reaches the external filter. Its base rests securely on the bottom of the aquarium. The water is drawn in all round, over a wide surface area, through the modular filter baskets which can be filled with filter media and easily cleaned and replaced. For cleaning, you simply remove the filter baskets. Traps coarse dirt particles in the filter baskets avoiding