The Fernox Water Quality Test provides all the necessary apparatus required to gather a sample for testing. The micro-bottle kit consists of one sample bottles (75ml) and a Freepost envelope. The process is simple. Simply fill the sample bottle with system water, download the Fernox Water Quality Test app, scan the bottle and complete the details on the app, then finally return the sample in the Freepost envelope. The results will be sent electronically directly back to the app that submitted the sample, as well as via email to the users registered email address.