How effective is this? Would it work on a HOB filter?
S Simpte 27 · Registered Joined Jul 16, 2004 · 925 Posts #3 · Aug 19, 2004 View full thread How effective is this? Would it work on a HOB filter?
S Simpte 27 · Registered Joined Jul 16, 2004 · 925 Posts #5 · Aug 20, 2004 View full thread I meant how effective is putting the co2 line directly into the intake of a HOB filter?