Other than by professional power flushing can a CH system be cleaned out effectively?
Is there any difference in effectiveness between the various brands of standard CH sludge remover ranging in price from c £5 to £20 per litre?
Is it the case that normal flushing does not remove the black sludge from the bottoms of radiators and that removing radiators and pouring off the sludge is the only effective method?
I have a 20 year old open vented system with 8mm pipes at radiators and have just poured about a litre of black sludge from one radiator.
Is there any difference in effectiveness between the various brands of standard CH sludge remover ranging in price from c £5 to £20 per litre?
Is it the case that normal flushing does not remove the black sludge from the bottoms of radiators and that removing radiators and pouring off the sludge is the only effective method?
I have a 20 year old open vented system with 8mm pipes at radiators and have just poured about a litre of black sludge from one radiator.