Atlantic Hel-X 13 Bio-Media Add Pack weirs including the ability to tie-up

including the ability to tie-up large quantities of phosphate without negatively influencing the pond water in any way

MICROBE-LIFT/Gravel & Substrate Cleaner contains natural cellulosic matter

MPN: HFS5000

Micro control system offers a choice of manual cleaning

Impeller assemblies replace quickly with no tools needed for an extended service life

Atlantic Hel-X 13 Bio-Media Add Pack weirs including the ability to tie-upMPN: 72731 Biological filtration by colonies of beneficial bacteria removes toxic ammonia, ammonium, and nitrites Hel X 13 provides the perfect substrate for bacteria in ProfiClear Premium Compact Filters and Modules Biological filtration by colonies of beneficial bacteria removes 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