Announcement

**Richard G** · 6 June 2020, 10:40

Ask Donald Trump

**Lingen** · 6 June 2020, 11:45

Fernox is just a corrosion inhibitor and not a flushing agent, and may not be suitable for aluminium. Stick to the correct stuff for safety.

**mallardstag** · 6 June 2020, 13:16

Originally posted by Lingen View Post

Fernox is just a corrosion inhibitor and not a flushing agent, and may not be suitable for aluminium. Stick to the correct stuff for safety.

Cleaner F3 500ml - Fernox UK

https://fernox.com/product/cleaner-f3-500ml/

Cleaner F3 is an effective, universal pH neutral, non-foaming liquid cleaner, which removes sludge, scale and debris from existing central heating systems to restore heating efficiency and eliminate boiler noise. When commissioning new systems in accordance with BS 7593:2019 regulations and best practice, Cleaner F3 is ideal to remove flux residues and other installation debris […]

"Suitable for all metals"

**Phil S** · 6 June 2020, 13:16

fernox and sentinel make flushing agents but I would stick to "rad flush " or similar as they may be too aggressive for the rad cooling tube thickness

**garyf** · 7 June 2020, 08:41

Maybe adding a small amount could help to stop crud building up?

**garyf** · 7 June 2020, 08:43

Originally posted by garyf View Post

Maybe adding a small amount could help to stop crud building up?

Then again ,changing coolent and flushing once a year would be better I suppose

Announcement

Fernox as a rad/engine coolent flush ?

Fernox as a rad/engine coolent flush ?

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