This is a wonderful introductory essay on the topic of water energising by Graeme Sait of Nutri-Tech Solutions. It was written quite a few years ago, but the information is still relevant today. The Water Wizard unit referred to in this article has since been replaced with Aquavate.  Energising Water 11/06/2008,18:16 519.91 Kb

Another water energising unit available in Australia is the Vortex Flow Water Energiser manufactured by Fluid Energy Australia Pty Ltd.

For a general run down of pH - What is it? Why is it important? How is it measured? I suggest you read through Soil pH first.

Water pH also plays an important role in plant health and foliar performances. Simplistically, low or high pH water can have the capacity to burn crops - the ideal pH level for crops is between 6.0 - 8.0. But possibly the most important issue is its impact on the performance of agricultural additives.