VORTECH - Mineral Tank 10" x 54" Natural / Almond Polyglass with Dome Hole and Plug, with standard 2.5" x 8 NPT top opening w/Base.Plus 1 1/4 inch Dome hole and plug for refilling tank.
Normally used with 1.5 cu. ft. of media - but NO Gravel needed / used.
Distributor Pipe is 1.05" O.D. which fits all modern ( since 1997 ) Autotrol, Fleck, and Clack Valves.
Most common use is for Acid Neutralizing filters.
Access hole makes it easy to add Calcite or Corosex as needed, without removing control valve from the tank.How and Why to use Acid Neutralizing Media