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With reference to the gloworm boiler kettling,I thought I would post an update on the situation. I gave the system two treatments of FERNOX superconcentrate over a period of four weeks and at first it did not seem to make any difference,but slowly over the last few weeks things have improved and...

Thanks,will se how it goes ,perhaps new boiler next summer! I,ll put up with the noise for now.

Thanks for the info,will give it a try but to date there is not much impovement? Fernox state that it might require two applications, do you think this is worth a try or should I wait a few more days?

I have a Glow Worm balanced flue gas boiler 45/60B, when it switches on it is fine but as the water heats it starts to make noises which become louder as the water gets hotter.I have purchased and installed via a radiator FERNOX superconcentrate boiler noise silencer (yesterday 16th), but this...