Brita Water are giving away FREE kits so you can test how hard or soft your water is. Just fill in the short online form to have one sent to you in the post. Click ‘GET THIS FREEBIE' and enter all of your contact info in the form provided. You'll be sent your water testing kit in the post, as well as receive an exclusive £5 voucher to use in their online shop! The kit is simple and easy to use – just dip the strips into water and the colour it turns will show you your water type!