Found a solution to support my extra 5 lb. CO2 cylinder after reviewing other ideas gleaned from various search results and came up with this.
PVC fittings:
Qty 4, $1.87 ea, 1/2-in x 1/2-in x 1/2-in dia 90-Degree Side Outlet Elbow.
Qty 8, $0.45 ea, 1/2-in x 1/2-in x 1/2-in dia 90-Degree...