CRYSTAL CLEAN & PROTECT KIT – AdBlue Fault Solution
If you’re experiencing an AdBlue fault, SCR system warning, or NOx emissions issue, the Crystal Clean & Protect Kit is designed to target one of the most common causes — AdBlue crystallisation.
Many drivers assume an AdBlue system failure means expensive repairs or a remap. In reality, most SCR faults, AdBlue warning lights, and NOx sensor issues are caused by crystal build-up blocking the system, not component failure.
This kit provides a proven, cost-effective solution before committing to costly repairs.
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Fix Common AdBlue & SCR Problems
The Crystal Clean & Protect Kit helps with:
•AdBlue warning light on dashboard
•SCR system faults and error messages
•NOx emissions faults (e.g. P20EE, P204F, P207F)
•AdBlue system not working correctly
•Crystallised AdBlue blocking injectors or pumps
•Reduced engine performance due to SCR issues
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How It Works
This kit combines two treatments:
•ADMAX PRO – breaks down existing AdBlue crystal deposits inside the tank, pump and injector
•ADMAX – helps prevent future crystallisation and keeps the SCR system clean
Together, they clean, protect and maintain your AdBlue system for long-term reliability.
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Key Benefits
•Helps remove AdBlue crystal build-up
•Supports proper SCR system function
•Helps prevent repeat AdBlue faults
•Reduces risk of expensive SCR repairs
•Improves overall emissions system performance
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Usage & Coverage
•Suitable for all diesel vehicles with AdBlue / SCR systems
•ADMAX PRO: treats up to 2 full AdBlue tank fills
•ADMAX: treats up to 250 litres of AdBlue
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Why Choose This Kit
•Tested in-house for over 3 years
•Used by both car and HGV drivers
•Cost-effective alternative to SCR repair or AdBlue delete
•Designed to address the root cause of AdBlue faults
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Important Information
This product is designed to help with AdBlue crystallisation issues.
It will not repair mechanical or electrical faults within the SCR system.
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Before You Consider a Remap or Repair
Many drivers jump straight to expensive solutions like:
•SCR system replacement (£600–£1000+)
•AdBlue system repairs
•ECU remaps or deletes
In many cases, these are unnecessary.
👉 Try addressing crystallisation first.