Why use ahp boiler services for all your boiler and central heating needs? The standard thickness is mm (eps) suitable for mm hydronic heating pipes and has an r value of . sheets are . x . m for a coverage of . sheets per m. Citric acid is often using for canning as well as bath bombs, so it’s fair to say its usages are rather varied! What this actually means is that we are pouring caustic soda (sodium hydroxide) or sulphuric acid into our waterways, both of which are highly corrosive chemicals anyone who has ever been splashed with drain cleaner can understand how it acts to clear the blockage what effect it has once in the sewer is less clear sodium hydroxide, a strong alkali, reacts with a greasy blockage to form a soap helping it to flush away some environmental agencies around the world do not classify sodium hydroxide as a cause of water pollution as it breaks down once in contact with water and greasy fats however, the eu's european chemicals bureau describes its ecotoxicity rating for aquatic organisms as being of "chronic toxicity" this is what it says its effects are on common freshwater fish, such as brown trout: "burns on external skin of gills and abundant formation of mucus fishes die by suffocation because of the slow destruction of the respiratory organs.". We have great offers in your area not your location? Things can be tough when your boiler breaks but don’t worry - whether you need a repair right now or want protection against future problems, we have the expertise to keep your hot water running. Laser plumbing tamworth provides prompt, -hour response to burst or leaking water pipes and gas lines. Have you used this member before? Use find my nearest to find our services close to you.