Explore the UK’s most trusted brand in synthetic urine. Pre-mixed, lab-tested, and temperature-controlled, our kits mimic real urine in appearance, chemical composition, and pH. Available in 2oz and 3oz bottles, with accessories like belt kits, leg straps, and value bundles, our Quick Fix line is the go-to for those needing reliable results. Whether you’re shopping for fake pee kits or premixed synthetic urine, you’re covered here.






Quick Fix Synthetic Urine is the most trusted brand of lab-grade, premixed fake urine designed to replicate real human urine in appearance, chemical structure, pH, and temperature. Whether you’re facing a supervised test or need a discreet solution for novelty or research use, Quick Fix offers unmatched reliability.
Used by thousands across the UK, our Quick Fix 6.4 formula contains urea, creatinine, and other key markers to pass visual and lab screenings. It’s the go-to solution when you need a synthetic sample that performs like the real thing.
Want to save or prepare for multiple tests? Try our bundles and accessories:
Quick Fix products like the 3oz Plus version are premixed and come with temperature strips and heating pads. Just shake, heat, and you’re ready.
All Quick Fix synthetic urine matches real urine in color, pH balance, gravity, and urea levels — with a 99.9% pass rate when used correctly.
Use the Leg Strap, Quick Fix Briefs, or Belt Kit to keep your sample body-warm and undetected — even during supervised tests.
Need more? Choose the Quick Fix 2oz Four Pack or Plus Value Bundle – 6 Pack for multiple uses or team preparedness.
If you’re looking for a discreet, lab-formulated, and proven synthetic urine solution, Quick Fix is your safest bet. From 2oz starter kits to fully-equipped value bundles, Spectrum Labs has the perfect match for your situation.
I was skeptical at first, but Spectrum Labs delivered exactly what I needed. Everything worked flawlessly and discreetly!
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