Water cooling pumps, Standard pump is 2000L/H, is this sufficient?

Lasers
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1

Water cooling pumps,

Standard pump is 2000L/H, is this sufficient? what have people upgraded to flow rate wise?

Thanks,

Rob.

2

I’ve been wondering about this, too.

My stock pump doesn’t seem to have much oomph and I still have good-sized bubbles in the tube, even if I raise one end up and have the machine at 45 degrees or so. That’s got me thinking that maybe a replacement would be good.

Tips on what what to look for in a replacement would be appreciated!