In this section you will find items that will allow you to test water and other solution for low levels of many different water contaminants. Colorimeters are used when more exact readings are required because they use the light spectrum to analyze samples.

select DISTINCTROW top 10 p.CatalogId,p.ccode from products p, prodcategories cc, categories c where cc.intCatalogId=p.CatalogId and cc.intcategoryid=c.categoryid and cc.intcategoryid = 166 and p.hide = 0 and (p.customermatch is null or p.customermatch = '') and (p.loggedin = false or p.loggedin is null) and (c.customermatch is null or c.customermatch = '') and (c.loggedin = false or c.loggedin is null) AND (higherCatalogId is null) order by p.ccode