The Hoban Reactor is designed with the up flow principle to achieve the most efficient use of Hoban or other chemical filter media. By pushing water from the bottom upward through a dispersion plate, it forces an even distribution of water through the media and prevents channeling.

Synthetic ferric oxide hydroxide granules with an extremely high capacity for adsorbing phosphate from saltwater and freshwater. Also adsorbs silicate and does not release adsorbed substances. Recommended by Julian Sprung for long-lasting and easy control of phosphate levels on a permanent basis.

PhosBan Reactor Extension kit This kit contains all the parts needed to make a flexible and space-saving pipe connection for installing the PhosBan Reactor 150 hanging on the back of an aquarium, or on the side of a filter sump. Packaged on an attractive blister card with hanger hole for easy in-sto...

The Hoban Reactor is designed with the up flow principle to achieve the most efficient use of Hoban or other chemical filter media. By pushing water from the bottom upward through a dispersion plate, it forces an even distribution of water through the media and prevents channeling.