Product Description

Fernox DS-3 Descaler 2kg

Model: DS-3

The Fernox DS-3 Descaler 2kg is a powerful, fast-acting limescale remover designed to restore the efficiency of domestic water heaters, boilers and household appliances affected by hard water deposits. Formulated using sulphamic acid, DS-3 quickly dissolves stubborn baked-on limescale while remaining safe and easy to use.

Suitable for both professional installers and homeowners, Fernox DS-3 is corrosion inhibited to help protect metal surfaces during cleaning. The product also features a unique colour-change indicator, allowing users to easily identify when the descaling solution has become exhausted and is ready for disposal.

Capable of dissolving up to 50% of its own weight in limescale, Fernox DS-3 helps restore heating efficiency, improve appliance performance and extend the lifespan of equipment affected by hard water.

Fernox DS-3 Descaler Features

• Powerful 2kg Sulphamic Acid Descaler
• Model: DS-3
• Rapidly Removes Heavy Limescale Deposits
• Dissolves Up to 50% of Its Own Weight in Limescale
• Restores Boiler and Appliance Efficiency
• Corrosion Inhibited Formula
• Colour Change Indicates When Product Is Exhausted
• Safe and Easy to Use
• Suitable for Domestic and Commercial Applications
• Belgaqua Approved Product
• Fernox DS-3 Technical Data Sheet
• Fernox DS-3 Safety Data Sheet

Key Features & Benefits

• Powerful Limescale Removal – Quickly dissolves stubborn hard water deposits and baked-on scale.
• Restores Heating Efficiency – Helps improve the performance of boilers, water heaters and heat exchangers.
• Corrosion Inhibited – Protects metal components during the descaling process.
• Colour Change Technology – Indicates when the product has been exhausted for simple maintenance.
• Easy to Use – Suitable for both professional engineers and DIY users.
• Extends Equipment Life – Regular descaling helps reduce wear caused by heavy limescale build-up.
• Trusted Fernox Quality – Developed by one of the UK’s leading heating water treatment specialists.

Ideal For

• Boilers
• Boiler heat exchangers
• Hot water cylinders
• Water heaters
• Kettles
• Coffee machines
• Steam irons
• Steam cleaners
• Shower heads
• Showers
• Taps
• Domestic appliances affected by hard water

Why Choose Fernox DS-3?

Hard water can significantly reduce the efficiency of heating systems and household appliances by creating heavy limescale deposits. Fernox DS-3 provides a highly effective solution for removing these deposits quickly and safely, helping restore performance while reducing energy consumption.

The corrosion-inhibited formulation protects metal components during cleaning, while the colour-change indicator makes it easy to know when the descaler has been fully used.

Whether you’re servicing a domestic boiler or descaling household appliances, Fernox DS-3 delivers fast, professional-quality results.

Why Buy from SNH Tradecentre?

• Competitive prices on Fernox products
• Large stock availability
• Nationwide delivery available
• Expert plumbing and heating advice
• Trade and public customers welcome
• Trusted UK plumbing and heating supplier
• Collection available from our Kent trade counter