{"product_id":"langelier-index-water-test","title":"Langelier Index Water Test (Pipe Corrosion)","description":"\u003cdiv class=\"eft\"\u003e\n\u003cp class=\"eft-lead\"\u003eTells you whether your water tends to eat into copper pipe and brass fittings, or to lay down scale. Worth doing if you're getting pinhole leaks or blue-green stains on sinks and baths, or before choosing between pH correction and a softener.\u003c\/p\u003e\n\u003ch3\u003eWhat it tests\u003c\/h3\u003e\n\u003cul class=\"eft-params\"\u003e\n\u003cli\u003epH\u003c\/li\u003e\n\u003cli\u003eTotal dissolved solids\u003c\/li\u003e\n\u003cli\u003eTotal alkalinity\u003c\/li\u003e\n\u003cli\u003eCalcium hardness\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFrom these the lab works out the Langelier index. Below -2.0 the water is highly aggressive, between -2.0 and 0 it's moderately aggressive, and above 0 it's non-aggressive and leans towards scale. Values between -1 and +1 have relatively little effect on metal pipework.\u003c\/p\u003e\n\u003ch3\u003eIn the kit\u003c\/h3\u003e\n\u003cp\u003eA 250 ml sample bottle and step-by-step sampling instructions.\u003c\/p\u003e\n\u003ch3\u003eHow it works\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTake the sample from a hot tap and note the water temperature from your cylinder or boiler thermostat on the form\u003c\/li\u003e\n\u003cli\u003ePost it back or drop it to the lab in Drogheda the same day\u003c\/li\u003e\n\u003cli\u003eYour Certificate of Analysis is emailed within 10 working days\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"eft-note\"\u003eAcidic water on a well is fixed with a pH correction filter. See \u003ca href=\"\/pages\/well-water-treatment\"\u003ewell water treatment\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Fitz Scientific","offers":[{"title":"Default Title","offer_id":59656398733660,"sku":"FITZ-LSI","price":60.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/1242\/6420\/files\/langelier-index-water-test.jpg?v=1793051086","url":"https:\/\/ecofilter.ie\/products\/langelier-index-water-test","provider":"EcoFilter Ireland","version":"1.0","type":"link"}