Oase Hel-X 13 Biological Media, 20 Liters Gift Card 0 mg/L dissolved oxygen)

0 mg/L dissolved oxygen)

Capacity Batteries

stone & brick

Aqua Ultraviolet SL UV clarifiers are engineered for high flow rates and varying water temperatures

Oase Hel-X 13 Biological Media, 20 Liters Gift Card 0 mg/L dissolved oxygen)Oase 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