Custom Loop PC Watercooling
A Bench Reference for Planning, Assembling, and Leak-Safe Custom Liquid Cooling Loops
★★★★★3.8 · 5 reviewsby Alumigogo Books
non-fiction
Plan it on paper. Build it leak-free. A bench-ready reference for custom watercooling loops, from fitting compatibility to pressure testing.
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About this book
Plan your loop before you buy a single part. This book walks you through the critical decisions—radiator sizing, pump selection, tubing material, fitting types, and coolant choice—with comparison tables and exact compatibility specs. No more guessing whether a 240mm rad is enough or whether a D5 pump is overkill. You'll learn to map your loop layout on paper, calculate flow and pressure drop, and choose components that work together the first time.
Assemble with confidence, leak-test like a pro. Step-by-step procedures cover every stage of the build: mounting radiators and reservoirs, cutting and bending tubing (hard and soft), installing fittings with the correct torque, and filling the loop. The book's core focus is leak-safe assembly—you'll learn the correct way to pressure test with air, how to find and fix micro-leaks, and the exact procedure for a leak-free first fill. Detailed checklists and tolerance tables keep you on track, whether you're working with acrylic, PETG, or nickel-plated blocks.
A reference you'll use on every build. With quick-lookup tables for fitting thread sizes, O-ring dimensions, and coolant compatibility, plus a troubleshooting chapter for the most common loop failures, this book lives on your workbench—not on a shelf. It's the book I wish I had before my first loop, and it's the one I now keep within arm's reach for every upgrade.
Reader Reviews
James Campbell
★★★★★I was hoping for more depth on the actual bending techniques, but the book spends a lot of time on planning and compatibility tables. The pressure test protocol is solid, but I felt the hard tubing section was a bit brief for my needs. Still, the leak-safe steps saved me from disaster on my first loop.
Nancy Martinez
★★★★★This is the book I wish I had three years ago. The compatibility tables alone are worth the price—I avoided mixing aluminum and copper parts that would have corroded. The pressure test procedure is explained so clearly that I had zero leaks on my first fill. It's now my go-to reference for every build.
Joseph Carter
★★★★★Good, practical book. The loop planning chapter with radiator sizing calculations was exactly what I needed to stop guessing. The troubleshooting table is also a lifesaver when you hear a weird gurgle. Only minor complaint: some of the torque specs for fittings seem overly cautious, but better safe than sorry.
Betty Nguyen
★★★★★As someone who's built a few loops but always had a leak or two, the leak-safe assembly chapter is a game-changer. The step-by-step air pressure test with exact PSI values and hold times is something I never saw in any YouTube video. The book is well-organized for quick reference, though a bit dense in places.
Laura Clark
★★★★★It's a decent reference, but I was a bit disappointed with the lack of coverage on custom acrylic bending. The book focuses heavily on planning and leak prevention, which is fine, but I expected more on the creative side of loop design. Still, the compatibility tables are useful, and the pressure test instructions are clear.