The AquaTesterPro measures the most important water values in just a few seconds. A clear idea of water quality is important, particularly if you have fish and plants. This electronic water analyser allows you to check water quality often and easily.   The digital test results are very accurate and they can be sent to your smartphone or tablet via bluetooth. The AquaTesterPro app uses the values for a complete diagnosis and history of the water. You then receive smart advice from Velda to maintain water quality and prevent any problems.