Oase Hel-X 13 Biological Media, 20 Liters Aquascape weighing approx

weighing approx

Installs inside or outside the liner for maximum flexibility

for example

2" fittings on all components

This is a higher protein formula that will provide your Koi with exceptional growth

Oase Hel-X 13 Biological Media, 20 Liters Aquascape weighing approxOase Hel X 13 Biomedia is a biological media used in the ProfiClear Premium Compact Filters and Modules. Biological filtration by colonies of beneficial bacteria remove toxic ammonia, ammonium and nitrites. Hel X Bio media has a huge ratio of protected inner surface versus exposed outer surface so the agitation caused by the turbulent water does not damage the bacterial colonies inside the media. This keeps colonies clean and active without a loss of