Fernox DS-3 is ideal for removing scale from any sort of water heater to help restore its efficiency. This would include hot water cylinders, boilers, kettles, pipework, taps and many more.
Suitable for use with steel, stainless steel, copper, brass, cast iron, PVC, polythene and ABS.
Features and Benefits:
Quickly restores efficiency to all varieties of water heater.
Colour change indicates when the product has been exhausted.
It can dissolve up to 50% of its own weight of scale.
Delivery to your home, 6 days a week with a next-day option for orders placed before 3:00pm.
All our parcel deliveries are FREE
365 Day Returns
Returns Policy - Changed Your Mind?
If you change your mind about the product when you receive it you can notify us any time within 365 days and return it for a full refund at your own cost. Any refunds will be made within 30 days of receiving your returned item. You are expected to cover the cost to return the item and your initial delivery charge will not be refunded.
Used it to descale a drinking water boiler (Heatrae Sadia). Exciting watching how it fizzed when it found limescale and gradually turned from thick yellow liquid to pale blue. Needs to be well flushed afterwards
James
5/ 5
Excellent product does exactly what is say on the drum!
Excellent service/delivery.
Reza Pirnia
5/ 5
This is the best limescale remover I have ever seen and the value is grate.
Rob
5/ 5
Great product for descaling domestic boiler heat exchangers & a good price
Andy Cooke
5/ 5
Excellent stuff, does exactly what it says on the tub.
