PrimoChillPrimoFlex LRT Custom Watercooling Flexible Tubing -7/16in.ID x 5/8in.OD, 10 feet Bundled with System Prep and Coolant, Made with Premium Materials, Proudly Made in the USA - Crystal Clear

I've been using their tubing for several years. This particular inside/outside diameter combination provides good combination of flow and sufficient rigidity to maintain crossection. The color is very nice deep red.Be advised that you do need to use the priming liquid before finishing up your system. It seems that there is a chemical either in the coating or in material that forms an opaque white oxide on the inside of the tube over the course of the fist couple of months. Not sure what it is, but I was worried when I got this brand first time several years ago. Now they include a bottle of priming liquid with each pack which seems to prevent the forming of the white stuff - I can attest to that fact comparing my son's and my computers. We both changed the piping in our computers around Christmas break. My circuit was completed and I did use the primer and my son had a couple of temporary pipes waiting for further upgrade and he did not use the priming. His had the white stuff on the inside by the end of January. Mine are still clean and his buildup dissolved once the primer was applied when we finished the upgrade.

Works great if you're looking for some colored tubing. Although WAAAAY to purple to be called blue, I'm sure if I put in UV lights that it would be blue. It's really good about not collapsing on tough angles, very easy to cut, diameter was spot on, and it looks great. What more is there to say? It's a good tube to use!

tube is clear and has a really good shine to it. it also comes with system preb for cleaning your system before replacing the coolant and to clean the loop, also comes with 15mg algae and corrosion protection that you can add to your new or existing loop (careful from adding it to a concentrated coolant since it already has this stuff in it and might make the coolant unbalance and affect your system)

good and sturdy. Doesn't kink like other brands.

This stuff has honestly surpassed what I expected! The color is just as vibrant as the photos depict, great UV reaction, can easily bend without kinking, comes with coolant sterilizer to make sure your rig doesn't deteriate and I'm not sure exactly why, but this particular tubing is far cheaper than the others. Spent 10 on the first batch and just got done ordering ten more feet for 7! I definitely plan to use again, plan to try yellow and orange to see how their colors run my blue aesthetics.Fitting these over 1/2 compression fittings wasn't a walk I the park (expected), dipped 3 inches of every tip in a mason jar full of the hottest water my sink could emit with some good ol' fashioned elbow grease and BAM! My PC is looking good.Only problem I noticed was my compressions for the fittings don't actually tighten/fasten around this tubing, just bypasses it after a little friction. If this tubing was any thicker it wouldn't be on there at all; so it must be the "V2 compression fittings" from XSPC. I plan on testing this issue out in 6 months with some pearl UV yellow 1/2 inch tubing.Great product! Highly recommend!! 😎👍🏼

So the tubing itself is great, this is for the UV Blue tubing. I replaced the reservoir and decided to just re-do the tubing at the same time. Only issue I had was that the thickness seems to have increased somehow, this was the same tubing I used last time but the compression fittings were extremely tight compared to the previous package of tubing which was the same one, just reordered from my previous purchase. It made getting the fittings on extremely hard & somewhat difficult getting everything lined up without it turning the tubing to the point of kinking. But all in all looks great

I built my water loop a while ago and the red dye started to settle out of the liquid. This could be because it is around a year old or because it is Mayhems. Either way, I needed to change the fluid and wanted to switch to just DI water and a kill coil but wanted to keep the red. I ordered this tubing because it looks good. To be fair, it does look really good. The packaging is great.My problem is that the size is off by a little. The ID is good. It fits on the barb just fine. It fits snug, which is good for water tubing. The OD is too big. I can't get the compression screw to secure. I thought that the fittings were the wrong size, but they are correct. I checked that tubing package, and the size is appropriate. The tubes are just too thick to allow the compression screw to reach the treads. Right now, I have zip ties holding the tubing in place until I can get more tubing in.TLDR: The tubes are too thick for compression fittings, but would work for barb fittings.

Works good nice and clear.Easy to work with first time doing custom loop no leaks.Works perfect with ek fittings.