The first of our soon to be released You tube 'How to' video's covering the full range of new D-D test kits.

A step by step video guide to help you to get the best from your new test kit and provide accurate and stable results time after time.

Other video's covering the Calcium,Magnesium,Iodine,PO4 and Nitrate kits will be available shortly. Click the image to view the Alkalinity test kit video.