best tubing for dual rad in series single loop

[jyj]

also can my pump do the job
my pump is Swiftech MCP655-B

the two rads are pad
Swiftech MCR220 and mcr360

dual rad series,.
cpu and gpu,.

i have already mcr220

and plan to add rad360 in loop

[FrostyPanda]

1/2" ID 3/4" OD. 1/2" ID is great flow and 3/4" OD will give you good bend radius.

[jyj]

big or small ID