Professional Aqua Test

Nine watertests

The Velda Test is one of the most accurate test methods that are to be had worldwide. Pre-eminently suitable for measuring pond and aquarium water. With the help of this nine professional tests the pH, JH, CH, NO₂, NO₃, NH_3/4, Fe, Cu and PO₄ of fresh and salt water can be determined very accurately. Using a colour chart and a comparator you can determine the values.

All tests contain a test bottle, 2 graduated beakers, a colour chart with comparator and a dosing syringe.

Available in sets