Rislone DEF Treatment AdBlue System Additive

Use When You Notice…

• SCR or DEF warning light on the dashboard — crystallisation blocks DEF flow and triggers fault codes; this adblue additive dissolves those deposits before limp mode sets in.
• Vehicle entering limp mode on the highway — a classic sign of DEF system restriction caused by urea crystal build-up inside the pump or injector.
• White crusty residue around the blue DEF filler cap — visible crystallisation outside means heavier deposits are forming inside the lines and tank.
• Irregular or unusually high DEF consumption — a partially blocked injector causes incorrect dosing; treatment restores proper metering and efficiency.
• DEF pump sounding strained or noisy — deposit restriction increases pump load; clearing crystals reduces stress and extends pump life.

Key Benefits

• Crystal Dissolution: Breaks up biuret and cyanuric acid deposits in your AdBlue tank, pump, and injector — restoring full DEF flow without dismantling components.
• Limp Mode Prevention: Clears the root cause of SCR fault codes so your BS-VI vehicle stays out of limp mode on long highway runs.
• All-Season Performance: Conditions DEF solution to atomise correctly in India's extreme temperature swings — scorching summers and freezing North India winters alike.
• Catalyst-Safe Formula: Ash-free and residue-free — introduces nothing that could contaminate your AdBlue or damage the SCR catalyst.
• Cost Protection: SCR component replacement in India runs ₹25,000–₹1,50,000; regular treatment is inexpensive preventive maintenance.

The Technology Inside

Rislone DEF Treatment uses ash-free, urea-compatible chemistry to penetrate and break apart the biuret and cyanuric acid crystal structures that form when AdBlue is exposed to heat cycling or prolonged storage. The formula restores correct DEF concentration and viscosity, ensuring the dosing injector meters urea solution accurately into the SCR catalyst. Unlike generic cleaners, it contains no silicone, chlorine, or metallic compounds — all known catalyst poisons banned under ISO 22241. It also conditions the urea solution against future crystallisation, reducing the frequency of DEF pump overload events common in Indian commercial vehicles operating on long, dusty routes.

Dosage & Coverage

Dose at approximately 30 ml per 38 litres of DEF capacity — refer to the dosage chart printed on the bottle label. Add directly into the blue-capped DEF/AdBlue filler only; never add to the diesel fuel tank or engine oil. Use a double dose when heavy crystallisation is already present, and repeat every second or third DEF top-up as a preventive measure — or at every fill if operating in extreme heat or cold.

Compatibility

Safe to use with

• All BS-VI (Euro 6) vehicles using ISO 22241-compliant AdBlue or DEF fluid
• Trucks, buses, SUVs, and commercial vehicles fitted with SCR after-treatment systems
• Tata Prima, Ashok Leyland heavy vehicles, Mahindra TUV300+ and newer BS-VI SUVs
• DPF-equipped vehicles — this product is added to the DEF tank only and does not contact the DPF

Not suitable for

• Do not add to diesel fuel or engine oil — DEF/AdBlue tank use only
• Cannot repair physical damage to the SCR catalyst, sensors, or wiring faults
• Not a substitute for fresh, quality AdBlue meeting ISO 22241 specification

Why It Matters in India

Indian BS-VI commercial vehicles face a unique combination of stressors: searing highway temperatures above 45°C in Rajasthan and Maharashtra, freezing overnight drops below 3°C in Delhi, Chandigarh, and Amritsar, and dusty unpaved routes that accelerate DEF contamination. AdBlue crystallisation is not a product defect — it is a predictable chemical reaction to these conditions, and it is the leading cause of SCR warning lights and limp mode events in Indian trucks and SUVs today. Treating your DEF system with this ad blue additive regularly is the same logic as changing your oil before it fails — cheap, simple, and far less painful than a dealer repair bill.

How To Use

1. Check your DEF tank capacity and select the correct dose from the chart on the bottle label.
2. Pour the measured amount directly into the blue-capped DEF/AdBlue filler — not the diesel filler.
3. Use a double dose if you can already see white crystalline residue around the cap or filler area.
4. Top up with fresh, ISO 22241-compliant AdBlue and run the vehicle normally to circulate the treatment.

Safety Note: Keep away from children. Do not mix with diesel fuel or engine oil. Store below 30°C away from direct sunlight.

Frequently Asked Questions

Can this clear existing SCR fault codes?

If the fault code is caused by DEF crystallisation blocking flow or contaminating concentration readings, dissolving the crystals can allow the system to reset and clear the code. Fault codes arising from catalyst physical damage, failed NOx sensors, or wiring issues require mechanical diagnosis and cannot be resolved by any additive.

How often should I dose to prevent crystals forming?

Add one dose every second or third DEF top-up as routine prevention. If you operate in extreme heat (Rajasthan, Gujarat summers) or cold (Delhi, Chandigarh winters), treat at every DEF fill for reliable protection.

Is it safe for my Tata or Ashok Leyland BS-VI truck?

Yes — this adblue additive is formulated to be fully compatible with all ISO 22241-compliant DEF systems, including those fitted to Tata Prima, Tata Signa, Ashok Leyland Captain, and other Indian BS-VI commercial vehicles. It introduces no ash, metals, or catalyst-damaging compounds.

Will this help my vehicle pass its PUC emission test?

A properly functioning SCR system is essential for controlling NOx emissions, and a crystallisation-blocked injector causes incorrect urea dosing — leading to elevated NOx output. Restoring correct DEF flow helps the SCR system operate at design efficiency, which supports passing PUC and pollution board checks.

Is Cash on Delivery available and how quickly will it arrive?

Yes — COD is available across India on orders from naredi.in. Most orders are delivered within 3–5 business days; metro cities such as Delhi, Mumbai, Bengaluru, and Chennai typically receive orders faster.

Complete Your Kit

Pair this DEF treatment with these Rislone products for full diesel system protection:

• Rislone Hy-per Diesel Complete Fuel System Treatment — cleans fuel injectors, boosts cetane rating of Indian pump diesel, reduces black smoke, and improves cold starts in North India winters; an ideal partner to your DEF maintenance routine.

Warranty & Support in India

• Warranty: 1-year warranty against manufacturing defects
• Customer Support: Monday–Saturday, 9 AM–6 PM IST. WhatsApp / Phone: +91 93112 11157 · hello@naredi.in
• Returns: 14-day return and exchange policy, COD returns accepted
• Delivery: Free delivery across India, Cash on Delivery available